TELEDYNE LECROY HVD3000 Series High Voltage Differential Probe User Manual

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Woburn, MA 01801
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HVD3000 / HVD3000A
High-Voltage Differential Probes
HVD3000 / HVD3000A
High-Voltage Differential Probes Operator’s Manual March, 2018

HVD3000 / HVD3000A High-Voltage Differential Probes Operator’s Manual
© 2018 Teledyne LeCroy, Inc. All rights reserved.
Unauthorized duplication of Teledyne LeCroy documentation materials other than for internal sales and distribution purposes is strictly prohibited. However, clients are encouraged to duplicate and distribute Teledyne LeCroy documentation for their own internal educational purposes.
Teledyne LeCroy is a trademark of Teledyne LeCroy, Inc. Other product or brand names are trademarks or requested trademarks of their respective holders. Information in this publication supersedes all earlier versions. Specifications are subject to change without notice. 928986-00 Rev A March, 2018
HVD3000 / HVD3000A High-Voltage Differential Probes

Warranty

THE WARRANTY BELOW REPLACES ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS, OR ADEQUACY FOR ANY PARTICULAR PURPOSE OR USE. TELEDYNE LECROY SHALL NOT BE LIABLE FOR ANY SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN CONTRACT OR OTHERWISE. THE CUSTOMER IS RESPONSIBLE FOR THE TRANSPORTATION AND INSURANCE CHARGES FOR THE RETURN OF PRODUCTS TO THE SERVICE FACILITY. TELEDYNE LECROY WILL RETURN ALL PRODUCTS UNDER WARRANTY WITH TRANSPORT PREPAID.
The product is warranted for normal use and operation, within specifications, for a period of one year from shipment. Teledyne LeCroy will either repair or, at our option, replace any product returned to one of our authorized service centers within this period. However, in order to do this we must first examine the product and find that it is defective due to workmanship or materials and not due to misuse, neglect, accident, or abnormal conditions or operation.
Teledyne LeCroy shall not be responsible for any defect, damage, or failure caused by any of the following: a) attempted repairs or installations by personnel other than Teledyne LeCroy representatives, b) improper connection to incompatible equipment, or c) use of non-Teledyne LeCroy supplies. Furthermore, Teledyne LeCroy shall not be obligated to service a product that has been modified or integrated where the modification or integration increases the task duration or difficulty of servicing the product. Spare and replacement parts and repairs all have a 90-day warranty. Products not made by Teledyne LeCroy are covered solely by the warranty of the original equipment manufacturer.

Introduction

The HVD3000 and HVD3000A high-voltage active differential probes are safe, easy-to-use, and ideally suited for power electronics applications where the reference potential is elevated from ground. The probes feature:

• Differential voltage measurement capability in high common-mode environments (up to 6kVrms)
• Exceptional common-mode rejection ratio (CMRR) across a broad frequency range
• Wide differential voltage range
• High offset voltage capability
• 1% DC and low frequency gain accuracy
• AC or DC coupling
• ProBus interface with automatic scaling
• Auto Zero capabilities

The CMRR for the probes is exceptional out to very high frequencies. This greatly assists in measuring signals in the noisy, high common-mode environments of power electronics. High CMRR combined with low probe noise and high offset capability makes the probes capable of measuring very small control signals floating on high common-mode voltages. The maximum rated differential voltage specifications are provided for using each probe within a wide differential voltage range. The probes will even display signals above the maximum rated differential voltage, up to the maximum measurable differential voltage before saturation limit, although the specifications cannot be guaranteed. Within this range, the probe is operating below the saturation point of the amplifier, and very reasonable results can be expected.
Note: HVD3000A probes are fitted with detection circuits that will indicate when the differential or common mode voltages are beyond the operating ranges of the probe. A
warning will be displayed in the oscilloscope message bar. The probes are calibrated for high-precision measurements to within 1% at DC to low frequency (~10 kHz). This provides for high accuracy of top and base voltage levels of pulse-width modulated signals. The Auto Zero capability permits further measurement precision by allowing small offset drifts to be calibrated out of the measurement.
The ProBus interface makes the probe an integral part of the oscilloscope. Power is provided to the probe through the interface, so there is no need for a separate power supply or batteries. Attenuation may be either automatically selected based on the oscilloscope gain range (V/div) setting, with the offset adjust unified with that of the oscilloscope, or locked to the maximum attenuation setting.
Maximum offset depends on the V/div setting and the oscilloscope model. In general, Teledyne LeCroy 12-bit High Resolution Oscilloscopes (HRO) and HD4096 High Definition Oscilloscopes (HDO) provide the most offset capability over the widest range of V/div settings.
Compatibility
HVD3000 and HVD3000A probes are compatible with most Teledyne LeCroy MAUI oscilloscopes equipped with the ProBus interface. See the HVD3000 product page on our website for all compatible oscilloscope models.
Some legacy oscilloscopes, such as WavePro 7000A and WaveSurfer XS, can be made compatible with HVD3000 probes if upgraded to the Windows XP Professional operating system and requisite firmware. Contact your regional service center regarding upgrades.
Required Firmware
Proper functioning of the HVD3000 and HVD3000A probes requires a minimum version of the XStreamDSO™ firmware to be installed on the oscilloscope:

• The HVD310x probes require firmware version 7.4.x.x or greater.
• The HVD3206 and HVD3605 probes require firmware version 7.8.x.x or greater.
• All HVD3xxxA probes require firmware version 8.5.1.0 or greater.

Safety

To maintain the probe in a correct and safe condition, observe generally accepted safety procedures in addition to the precautions specified in this section. The overall safety of any system incorporating this product is the responsibility of the assembler of the system.
Symbols
These symbols appear on the probe and accessories or in this manual to alert you to important safety considerations.

| WARNING, HIGH VOLTAGE. Risk of electric shock or burn.
---|---
| CAUTION of damage to probe or instrument, or WARNING of hazard to health. Attend to the accompanying information to protect against personal injury or damage. Do not proceed until conditions are fully understood and met.
| ESD CAUTION. Risk of Elecstostatic Discharge (ESD) that can damage the probe or instrument if anti-static measures are not taken.

Precautions
WARNING. To avoid personal injury or damage due to electric shock or fire:
Do not overload; observe all terminal ratings. Do not apply any potential that exceeds the maximum rating of the probe and/or the probe accessory, whichever is less.
Comply with the Voltage vs. Frequency derating curve when measuring higher frequency signals.
Connect and disconnect properly. Always connect the probe input lead to the probe accessories before connecting to a voltage source. Ensure the connections are secure
before applying voltage. Do not disconnect leads or accessories from a live circuit. Keep the probe body and output cable away from the circuits being measured. Only
accessory tips are intended for contact with electrical sources.
Use only accessories compatible with the probe. Use only accessories that are rated for the application. Substituting other accessories than those specified in this manual may create a shock /burn hazard.
Keep fingers behind the finger guard of the probe accessories.
Do not remove the probe’s casing. Touching exposed connections may result in electric shock or burn.
CAUTION. To prevent damage to the equipment:
Use only as specified. The probe is intended to be used only with compatible Teledyne LeCroy instruments. Use of the probe and/or the equipment it is connected to in a manner other than specified may impair the protection mechanisms.
Do not bend cables excessively.
Use only within the operational environment listed. Do not use in wet or explosive atmospheres.
Keep product surfaces clean and dry.
Do not operate with suspected failures. Before each use, inspect the probe and accessories for any damage such as tears or other defects in the probe body, cable jacket, accessories, etc. If any part is damaged, cease operation immediately and sequester the probe from inadvertent use.

Operating Environment

45% RH above 30 C
Relative Humidity, Non-operating| 5% to 95% RH (Non-Condensing)
75% RH above 30 C
45% RH above 40 C
Altitude| 3000 m (9842 ft.) max. Derated to 2000 m (6561 ft.)
when used with clip accessories
Usage| Indoors

Voltage Derating for Accessories

Accessory| Part Number| **Derated Max. Input Voltage for Combined Probe & Accessory (either input to ground)*
---|---|---
Spade Terminals| PK-HVA-05| 1000 V CAT III
Safety Alligator Clips| PK-HVA-01| 1000 V CAT III
Plunger Alligator Clips| PK-HVA-04| 1000 V CAT III
Plunger Pincer Clips| PK-HVA-02| 1000 V CAT II
Plunger Hook Clips| PK-HVA-03| 1000 V CAT II
6kV Alligator Clips| PK-HVA-06| 6000 V CAT I

1000 Vrms CAT III

1500 Vdc CAT III

2kV Plunger Alligator Clips| PK-HVA-07| 2000 V (DC + Peak AC) CAT I **

1000 Vrms CAT III

1500 Vdc CAT III

• See “IEC/EN 61010-031 Definitions” on p.38.
  CAT I per IEC/EN 61010-031/A1:2008. No Rated Measurement Category per IEC/EN 61010-031:2015.
  CAUTION. The operating altitude of the probe is derated to 2000 m (6560 ft) when used with the above accessories.
  WARNING. Each accessory has a different measurement (overvoltage) category (CAT) rating. The voltage and CAT rating of the probe are derated to the values in the table above when used with the corresponding accessory.
  WARNING. While all probes may be used with the HVD310x accessories (spade terminals, plunger clips, etc.), the voltage and CAT ratings of the probe are derated to the values in the table above when used with the corresponding accessory.
  WARNING.** To avoid risk of electric shock or fire, do not exceed either the voltage rating or category rating. Keep your fingers behind the finger guard of the probe. Keep the probe body and output cable away from the circuits being measured. Use only the specified accessories.

HVD310x and HVD310xA Probes

The probes are delivered with the following:

the overall length is 63 mm (2.48 inches). 4 mm Banana (female) connector. 1 ea. red/black.| Insulated 1000 V CAT III| PK-HVA-05| 2
Safety Alligator Clips

(2)

| Designed to reliably grip large components, such as bus bars and large bolts, the overall length is 92.8 mm (3.65 inches) and the jaw opens to 32 mm (1.26 inch). Only the lower jaw is conducive; the top jaw is insulating plastic. 4 mm Banana (female) connector.1 ea. red/black.| Insulated 1000 V CAT III| PK-HVA-01| 2
Item| Description| **Safety Rating*| Part Number| QTY**
---|---|---|---|---
Plunger Alligator Clips

(3)

| The clip is designed to securely grasp thick wires, cables, ground leads, rails, and screw heads. The overall length is 153 mm (6.02 inches); the jaw opens to 23 mm (0.905 inch) max. 4 mm Banana (female) connector. 1 ea. red/black.| Insulated 1000 V CAT III| PK-HVA-04| 2
Plunger Pincer Clips (4)| Designed with a long, thin, flexible stem for attaching to hard-to-reach test points, the entire body is fully insulated. The overall length is 161.6 mm (6.36 inch). The pincers can grab leads, pins and wires up to 4 mm (0.157 inch) in diameter. 4 mm Banana (female) connector. 1 ea. red/black.| Insulated 1000 V CAT II| PK-HVA-02| 2
Plunger Hook Clips (5)| Designed with a flexible stem to access deep targets in dense environments and a 4.5 mm (0.177 inch) hook to attach to wire leaded parts. The overall length is 157.6 mm (6.20 inches). 4 mm Banana (female) connector. 1 ea. red/black.| Insulated 1000 V CAT II| PK-HVA-03| 2
Case| Soft storage case.|  | SAC-01A| 1
Foam| Custom foam insert for storage case.|  | HVD3106 924228-00

HVD3106-6M 925473-00

| 1
Operator’s Manual|  |  | NA| 1

• See “IEC/EN 61010-031 Definitions” on p.38 for measurement category definitions.
  ‡ See “Replacement Parts” on page 32 for information about ordering replacement accessories.
  NOTE: The *-NOACC options offer the probe without the accessories.
  WARNING. To avoid injury or death due to electric shock, do not handle probe input leads connected to the Spade Terminals while they are connected to a voltage source. Do not use Spade Terminals as hand-held accessories; they are meant to be used as a permanent installation in a test set up.
  HVD310x / HVD310xA Specifications
  For the current specifications, see the product datasheet at teledynelecroy.com. Below are some key product specifications.
  Specifications are subject to change without notice.

GUARANTEED SPECIFICATIONS

| HVD3102/
HVD3102A| HVD3106/
HVD3106A| HVD3106-6M/
HVD3106A-6M
---|---|---|---
Bandwidth (probe only)| 25 MHz| 120 MHz| 80 MHz
Risetime 10-90 %| 14 ns| 2.9 ns| 4.4 ns
CMRR Test Limits, 23 C| 80 db @ 50 Hz
60 db @ 1 MHz| 80 db @ 50 Hz
60 db @ 1 MHz| 80 db @ 50 Hz
60 db @ 1 MHz

ELECTRICAL CHARACTERISTICS (ALL PROBES)

Max. Rated Diff. Voltage
(between each input)| 1500 V (DC + Peak AC)
---|---
Max. Measurable Diff. Voltage
(before saturation)| 2000 V (DC + Peak AC)
Max. Common Mode Voltage
(either input to ground)| ± 1500 V (DC + Peak AC)
1000 Vrms
Max. Input Voltage to Earth
(either input to ground)| ± 1500 Vpk
Max. Safe Input Voltage
(per IEC 61010-031)| 1000 Vrms CAT III
Pollution Degree | 2

• See “IEC/EN 61010-031 Definitions” on p.38.
  VERTICAL SENSITIVITY (ALL PROBES)
  100 mV/Div to 500 V/Div.
  

HVD3106-6M / HVD3106A-6M TYPICAL BANDWIDTH

HVD3102 / HVD3102A TYPICAL CMRR PERFORMANCE

HVD3106 / HVD3102A TYPICAL CMRR PERFORMANCE

HVD310x / HVD310xA Voltage Derating and Burn Limit
The Maximum Input Voltage curve (solid line) shows the maximum voltage that can be applied to the probe inputs without risking damage to the probe.
The lower Burn Limit curve (dashed line) shows the maximum voltage that can be applied to the probe inputs while the operator is handling the inputs. Handling the inputs while connected to active signals above this burn limit could result in injury to the operator.
WARNING. To avoid risk of electric shock or fire, comply with the burn limit when measuring high-frequency signals with hand-held accessories. Do not exceed the
voltage or category rating of the probe or accessories (whichever is less). Keep your fingers behind the finger guard of the probe. Keep the probe body and output cable
away from the circuits being measured. Use only the specified accessories.

HVD310x / HVD310xA Differential Input Impedance

HVD3206 and HVD3206A Probes

The probes are delivered with the following:

wires, cables, ground leads, rails, and screw heads. The overall length is 130 mm (5.1 inches); the jaw opens to 20 mm (0.79 inch) maximum. 4 mm Banana (female) connector. 1 ea. red/black.| 2000 V (DC+Peak AC) CAT I**

1000 Vrms CAT III

1500 Vdc CAT III

| PK-HVA-07| 2
Case| Soft storage case|  | SAC-01A| 1
Foam| Custom foam insert for storage case|  | 925955-00| 1
Operator’s Manual|  |  | NA| 1

• See “IEC/EN 61010-031 Definitions” on p.38.
  CAT I per IEC/EN 61010-031/A1:2008. No Rated Measurement Category per IEC/EN 61010-031:2015.
  ‡ See “Replacement Parts” on page 32 for information about ordering replacement accessories.
  HVD3206 / HVD3206A Specifications
  For the current specifications, see the product datasheet at teledynelecroy.com. Below are some key product specifications.
  Specifications are subject to change without notice.
  GUARANTEED SPECIFICATIONS**

| HVD3206/
HVD3206A| HVD3206-6M/
HVD3206A-6M
---|---|---
Bandwidth (probe only)| 120 MHz| 80 MHz
Risetime 10-90%| 2.9 ns| 4.4 ns
CMRR Test Limits, 23 C| 80 db @ 50 Hz
60 db @ 1 MHz| 80 db @ 50 Hz
60 db @ 1 MHz

ELECTRICAL CHARACTERISTICS (ALL PROBES)

Max. Rated Diff. Voltage
(between each input)| 2000 V (DC + Peak AC)
---|---
Max. Measurable Diff. Voltage
(before saturation)| 2000 V (DC + Peak AC)
Max. Common Mode Voltage
(either input to ground)| ± 2000 V (DC + Peak AC)
1000 Vrms
Max. Input Voltage to Earth
(either input to ground)| ± 2000 Vpk (nominal, either input to ground)
± 2000 Vpk 2000 V (DC + peak AC) CAT I *
Max. Safe Input Voltage
(per IEC 61010-031)| 1000 Vrms CAT III
1500 Vdc CAT III
Pollution Degree *| 2

• See “IEC/EN 61010-031 Definitions” on p.38
  ** CAT I per IEC/EN 61010-031/A1:2008. No Rated Measurement Category per IEC/EN 61010-031:2015.
  VERTICAL SENSITIVITY (ALL PROBES)
  100 mV/Div to 500 V/Div.
  

HVD3206 / HVD3206A Common Mode Rejection Ratio

HVD3206 / HVD3206A Voltage Derating and Burn Limit
The Maximum Input Voltage curve (solid line) shows the maximum voltage that can be applied to the probe inputs without risking damage to the probe.
The lower Burn Limit curve (dashed line) shows the maximum voltage that can be applied to the probe inputs while the operator is handling the inputs. Handling the inputs while connected to active signals above this burn limit could result in injury to the operator.
WARNING. To avoid risk of electric shock or fire, comply with the burn limit when measuring high-frequency signals with hand-held accessories. Do not exceed the
voltage or category rating of the probe or accessories (whichever is less). Keep your fingers behind the finger guard of the probe. Keep the probe body and output cable
away from the circuits being measured. Use only the specified accessories.

HVD3605 and HVD3605A Probes

The probes are delivered with the following:

bars and large bolts, the overall length is 116 mm (4.57 inches) and the jaw opens to 22 mm (0.87 inch). 1 ea. red/black.| 6000 V CAT I**

1000 Vrms CAT III

1500 Vdc CAT III

| PK-HVA-06| 2
Case| Soft storage case|  | SAC-01A| 1
Foam| Custom foam insert for storage case.|  | 925955-00| 1
Operator’s Manual|  |  | NA| 1

• See “IEC/EN 61010-031 Definitions” on p.38.
  CAT I per IEC/EN 61010-031/A1:2008. No Rated Measurement Category per IEC/EN 61010-031:2015.
  ‡ See “Replacement Parts” on page 32 for information about ordering replacement accessories.
  HVD3605 / HVD3605A Specifications
  For the current specifications, see the product datasheet at teledynelecroy.com. Below are some key product specifications.
  Specifications are subject to change without notice.
  GUARANTEED SPECIFICATIONS**

| HVD3605/
HVD3605A
---|---
Bandwidth (probe only)| 100 MHz
Risetime 10-90%| 4.3 ns
CMRR Test Limits, 23 C| 80 db @ 50 Hz
60 db @ 10 KHz
60 dB @ 1 MHz (200x)
46 dB @ 1 MHz (2000x)

ELECTRICAL CHARACTERISTICS (ALL PROBES)

Max. Rated Diff. Voltage
(between each input)| 7000 V (DC + Peak AC)
---|---
Max. Measurable Diff. Voltage
(before saturation)| 7600 V (DC + Peak AC)
Max. Common Mode Voltage
(either input to ground)| ± 7600 V (DC + Peak AC) 6000 Vrms
Max. Input Voltage to Earth
(either input to ground)| ± 7600 Vpk (nominal, either input to ground)
± 8485 V (DC + peak AC) CAT I *
Max. Safe Input Voltage
(per IEC 61010-031)| 6000 Vrms CAT III
1000 Vrms CAT III
1500 Vdc CAT III
Pollution Degree *| 2

• See “IEC/EN 61010-031 Definitions” on p.38
  CAT I per IEC/EN 61010-031/A1:2008. No Rated Measurement Category per IEC/EN 61010-031:2015.
  VERTICAL SENSITIVITY (ALL PROBES)
  300 mV/Div to 2000 V/Div.
  HVD3605 / HVD3605A Bandwidth
  TYPICAL BANDWIDTH HVD3605 / HVD3605A Common Mode Rejection Ratio**

HVD3605 / HVD3605A Voltage Derating and Burn Limit
The Maximum Input Voltage curve (solid line) shows the maximum voltage that can be applied to the probe inputs without risking damage to the probe.
The lower Burn Limit curve (dashed line) shows the maximum voltage that can be applied to the probe inputs while the operator is handling the inputs. Handling the inputs while connected to active signals above this burn limit could result in injury to the operator.
WARNING. To avoid risk of electric shock or fire, comply with the burn limit when measuring high-frequency signals with hand-held accessories. Do not exceed the
voltage or category rating of the probe or accessories (whichever is less). Keep your fingers behind the finger guard of the probe. Keep the probe body and output cable away from the circuits being measured. Use only the specified accessories.

Functional Test Procedure

This procedure should be performed to confirm the basic operation of an HVD3000 or HVD3000A probe or to aid in determining the source of a problem rather than to verify the accuracy of the probe. You can perform the Functional Test without removing the probe covers.
Other than a Teledyne LeCroy oscilloscope, no special test equipment is required for the functional test.

1. Connect the probe to any oscilloscope vertical channel and open the Cn dialog.

2. Touch AUTO ZERO on the probe dialog (behind the Cn dialog).

3. If necessary, adjust the OFFSET to 0.000 V.

4. Using accessory clips, attach the red clip to the + CAL out and the black clip to the ground post of the CAL out signal. For oscilloscopes with the CAL signal on a BNC connector, a BNC-to-Banana adapter (e.g., Pomona model 1296) may be used.

5. Press AUTOSETUP.

6. Set the sensitivity of the probe to 1 V/Div.

7. Set the CAL output to 1 Vp-p square wave.

8. Verify that the displayed square wave is 1 Vp-p centered at +0.5 V.

9. Reverse the accessory leads on CAL out and verify that the displayed square wave is still 1 V, but is now centered at –0.5 V.

10. Change the COUPLING on the channel setup dialog to Grounded to verify that the signal disappears and that the trace is still centered on the screen.

11. Verify that the probe attenuation shows the following:
    • x100 for HVD3102 and HVD3102A
    • x50 for HVD3106, HVD3106A, HVD3206, and HVD3206A
    • x200 for HVD3605 and HVD3605A

12. Set the VOLTS/DIV to 100 V.

13. Verify that the probe attenuation now shows:
    • x1K for HVD3102 and HVD3102A
    • x500 for HVD3106, HVD3106A, HVD3206, and HVD3206A
    • x2K for HVD3605 and HVD3605A

Performance Verification Procedure

This procedure can be used to verify the warranted characteristics of an HVD3000 or HVD3000A probe. If the product does not meet specifications, it should be returned to a Teledyne LeCroy service center. As there are no user accessible adjustments, there is no adjustment procedure.
Required Equipment
The following table lists the test equipment and accessories (or their equivalents) that are required for performance verification of the probe. This procedure is designed to minimize the number of calibrated test instruments required. Because the input and output connector types may vary on different brands and models of test instruments, additional adapters or cables may be required. Only the parameters listed in boldface in the “Minimum requirements” column must be calibrated to the accuracy indicated.

AC: 0.2% accuracy to measure

7 mVrms to 37 Vrms at 70 Hz

| Agilent 34401A Fluke 8842A-09 Keithley 2001
Function Generator| Output sine wave:

20 Vpp HVD310x and HVD3602

37 Vrms HVD3605*

• May require an amplifier to obtain required voltage, such as Tegam 2340.

| Agilent   33120A Stanford Research DS34 Leader LAG-120B
BNC Coaxial Cable| Male-to-Male 50 Ω Cable| Pomona 5697-36
Calibration Fixture| ProBus Extender Cable| Teledyne LeCroy PROBUS-CF01
Banana Plug Adapter| Female BNC-to-Dual Banana Plug| Pomona 1269 Mueller BU-00260
Insulated Banana Plug Insulated Banana Couplers (2)| Insulated BNC-to-Shrouded Banana Plug| Mueller BU-5671-B-12-0 Mueller BU-32601-2 (R) Mueller BU-32601-6 (B)

Preliminary Procedure

1. Connect the probe under test to the female end of the ProBus Extension Cable. Connect the male end of the ProBus Extension Cable to channel 1 (C1) of the oscilloscope.
2. Turn on the oscilloscope and allow at least 30 minutes warm-up time before performing the Certification Procedure.
3. Turn on the other test equipment and allow these to warm up for the time recommended by the manufacturer.
4. While the instruments are reaching operating temperature, make a photocopy of the Performance Verification Test Record (following this topic), and fill in the necessary data.

Certification Procedure

1. Set the function generator to sine wave, 70 Hz, and an output voltage of approximately:
   • 7 Vrms (into a high impedance output) for HVD310x, HVD310xA, HVD3206, and HVD3206A
   • 37 Vrms for HVD3605 and HVD3605A

2. Set the DMM to measure AC Volts.

3. Connect the function generator output to the DMM, using a BNC cable and a female BNC to dual banana plug adapter.

4. Adjust the function generator output voltage until the DMM reads:
   • 7 V ±0.01 V for HVD310x, HVD310xA, HVD3206, and HVD3206A
   • 37 V ±0.01 V for HVD3605 and HVD3605A

5. Record the DMM reading to 1 mV resolution in the Test Record.

6. Disconnect the BNC cable from the function generator and from the BNC-to-banana plug adapter on the DMM. (Leave the banana plug adapter connected to the DMM).

7. Connect the BNC connector from the probe extender cable to the BNC-to-banana plug adapter on the DMM.

8. Connect the insulated banana plug adapter to the function generator.

9. Using the insulated banana couplers, connect the positive lead (red) of the probe under test to the positive output of the BNC-to-banana plug adapter and the negative lead (black) to the negative or return output.

10. Set the oscilloscope scale factor to:
    • 20 V/Div for HVD310x, HVD310xA, HVD3206, and HVD3206A
    • 50 V/Div for HVD3605 and HVD3605A

11. Record the DMM reading to 0.01 mV resolution in the Test Record.

12. Multiply the measured output voltage recorded in step 11 by the actual probe attenuation factor, then divide this number by the function generator output voltage (prob input voltage) recorded in step 5. Subtract 1 from this number and multiply the result by 100 to get the error in percent: NOTE: The actual probe attenuation can be found by using the XStreamBrowser.
    Follow the procedure below.

13. Record the answer to two significant places (± x.xx%) on line 13 in the Test Record.

14. Verify that the error ≤ 1.00%.

15. Decrease the oscilloscope scale factor to 5 V/Div.

16. Record the DMM reading to 0.01 mV resolution in the Test Record.

17. Multiply the measured output voltage recorded in step 16 by the actual probe attenuation factor, then divide this number by the function generator output voltage (probe input voltage) recorded in step 5. Subtract 1 from this number and multiply the result by 100 to get the error in percent.
    NOTE: Recheck the actual probe attenuation in the XStreamBrowser, as it will now be a different value than in step 12. Click the Refresh button in XStreamBrowser if the previous session is still open.

18. Record the answer to two significant places (±x.xx%) on line 18 in the Test Record.

19. Verify that the error is ≤ 1.00%.

20. This completes the Performance Verification Procedure. Complete and file the Test Record as required to support your internal calibration procedure. If the criteria in steps 14 or 19 are not met, contact your local Teledyne LeCroy service center.

Checking Probe Attenuation in XStreamBrowser
Probe attenuation and other values can be found by using the XStreamBrowser application that is installed with the oscilloscope firmware.

1. Choose File > Minimize to show the oscilloscope desktop, then double-click the XStreamBrowser icon.
2. From the browser menu bar, choose File > Connect to Local Instrument.
3. Navigate to LeCroy.XStreamDSO > Acquisition > C1 > InputB > HVDxxxxx (where xxxxx is your probe model number). The value is shown next to PrAttenuation.
4. Close XStreamBrowser and touch the oscilloscope icon (bottom right of desktop) to return to the oscilloscope software.
   NOTE: These steps are tailored to the Performance Verification procedure. You can find any value at any time by changing the path to reflect the probe’s actual input channel and row (Cn > Input A|B).

HVD3000 / HVD3000A Test Record
Serial Number:____
Asset / Tracking Number: _____
Date:__
Technician:____

• In this Performance Verification Procedure, the function generator is used for making relative measurements. The output of the generator is measured with a DMM or oscilloscope. Thus, the generator is not required to be calibrated.

Permission is granted to photocopy this page to record the results of the Performance Verfication procedure. File the completed record as required by applicable internal quality procedures.

• Line numbers correspond to steps in the procedure that require the recording of data.
• Record the actual specification limit check under “Test Result”. The test limits are included in all of these steps.
• Record other measurements and intermediate calculations that support the limit check under “Intermediate Results”.

Operation

Connecting to the Test Instrument
HVD3000 and HVD3000A probes have been designed for use with Teledyne LeCroy oscilloscopes equipped with the ProBus interface. When you attach the probe to the
oscilloscope’s input connector, the instrument will:

• Recognize the probe
• Set the oscilloscope input termination to 1 MΩ
• Activate the probe control functions in the oscilloscope user interface
  NOTE: For accurate measurements, connect the probe to the oscilloscope and allow it to warm up for at least 20 minutes. When using HVD3000 probes, perform Auto Zero prior to connecting probe leads to the DUT. HVD3000A probes may be connected to the DUT during Auto Zero.

Connecting to the Test Circuit
Two inputs are available at the probe tip to connect the probe to a circuit under test. For accurate measurements, both the + and – inputs must be connected to the test circuit. Positive voltages applied to the + input (red) relative to the – input (black) will deflect the oscilloscope trace toward the top of the screen.
To maintain the probe’s high performance capability, exercise care when connecting the probe. Increasing the parasitic capacitance or inductance in the input paths may introduce a “ring” or slow the rise time of fast signals. Input leads that form a large loop area will pick up any radiated electromagnetic field that passes through the loop and may induce noise into the probe inputs. Because this signal will appear as a differential mode signal, the probe’s common mode rejection will not remove it. This effect can be reduced by twisting the input leads together to minimize the loop area.
WARNING. To avoid electric shock or fire, maintain the input leads in good condition. The leads have a jacket wear indicator that shows through when the jacket is excessively worn. If the white “WEAR” indicator on the input leads is visible, cease use and contact Teledyne LeCroy service for repair or replacement. High common mode rejection requires precise matching of the relative gain or attenuation in the + and – input signal paths. Mismatches in additional parasitic capacitance, inductance, delay, and a source impedance difference between the + and – signals will lower the CMRR. Therefore, it is desirable to use the same length and type of wire and connectors for both input connections. When possible, try to connect the inputs to points in the circuit with approximately the same source impedance.
The probes may be stacked on one top of another during usage to conserve space. Since the probe body generates heat, and the stacking reduces cooling, it is recommended that ambient temperatures not exceed 30 degrees C while stacked probes are in operation. The exceptional CMRR performance should prevent interference between probes when they are stacked, but take care to separate the probe leads during operation.
WARNING. To avoid electric shock or fire, keep the probe body and output cable away from the circuits being measured, as they cannot provide adequate protection
if they come in contact with electrical sources.
Operating with an Oscilloscope
When the probe is connected to a Teledyne LeCroy oscilloscope, the displayed scale factor and measurement values will be adjusted to account for the effective gain of the probe. The probe’s internal attenuation is shown on the Probe dialog, which is added to the oscilloscope’s input channel dialogs when a probe is detected.

Probe Volts/Div and Attenuation
The front panel Volts/Div knob controls the oscilloscope’s scale factor and the probe’s internal attenuation to give full available dynamic range. Some transition of the scale factor will result in a change of attenuation.
Offset
Offset allows you to remove a DC bias voltage from the differential input signal while maintaining DC coupling. This ensures that the probe will never be overdriven while a signal is displayed on screen and prevents inaccurate measurements.
The total usable offset of the oscilloscope and probe system is a function of the oscilloscope V/div setting and offset at that V/div setting, and the probe attenuation and
offset at that attenuation setting. Total maximum offset may be calculated as:
Oscilloscope Front End V/Div = (Probe and Oscilloscope) V/Div ÷ Probe_Attenuation Once the oscilloscope front end V/div value is known, it is possible to know the maximum oscilloscope offset available at this V/div setting either by referencing the oscilloscope specifications or setting the maximum offset value on the oscilloscope for that V/div setting. Maximum offset for the probe and oscilloscope combination can then be calculated as:
Max Positive Offset Available
Max Positive Offset (Probe and Oscilloscope together) =
Oscilloscope Positive Offset (at Oscilloscope Front End V/div) Probe Attenuation– 10V
Max Negative Offset Available
Max Negative Offset (Probe and Oscilloscope together) =
Oscilloscope Negative Offset (at Oscilloscope Front End V/div) Probe Attenuation + 10V
In both cases, the maximum offset available cannot exceed the following:

NOTE: The offset values reported on oscilloscope channel descriptor boxes may deviate slightly from expected values per the formulas above. The reported probe attenuation is a “nominal” value and can deviate slightly from the actual value measured during calibration and stored with the probe. The actual offset value reported uses the actual “as measured” probe attenuation value. This provides for higher DC and low frequency gain accuracy than would otherwise be possible.

AC Coupling

In general, using offset to adjust a differential DC voltage on the screen is the preferred method to measure transient signals in the presence of a larger DC voltage. The offset has limits that will cause a signal that is beyond the linear operating range of the probe to go off the screen, preventing measurement errors.
There are times, however, when it is convenient to use AC coupling to remove the DC component of the measured signal from the measurement. Selecting AC10MΩ uses the scope AC coupling at the probe output to remove any steady state value from the displayed voltage. The maximum linear input voltage is as follows:

 | X50

< 7 V/div

| X100

< 7 V/div

| X200

< 28 V/div

| X500

> 7 V/div

| X1000

> 7 V/div

| X2000

> 28 V/div

---|---|---|---|---|---|---
3102 / 3102A| NA| 200 Vpk| NA| NA| 1750 Vpk| NA
3106 / 3106A| 200 Vpk| NA| NA| 2000 Vpk| NA| NA
3206 / 3206A| 200 Vpk| NA| NA| 2000 Vpk| NA| NA
3605 / 3605A| NA| NA| 760 Vpk| NA| NA| 7600 Vpk

NOTE: Because AC coupling is on the probe output, DC voltages beyond the probe’s linear range will cause the amplifier to saturate and inaccurately render the displayed waveform. Do not exceed the maximum linear input value when using AC coupling.
To comply with various test standards used for quantifying output noise of power supplies, the probe is capable of switching the bandwidth limit from Off (maximum bandwidth) to 20 MHz in the channel Vertical Adjust dialog.
Voltage Range
On oscilloscopes running XStreamDSO v.8.5.x.x and higher, there are two options as to how the probe will set attenuation relative to the oscilloscope’s V/div setting:
Auto will automatically raise the attenuation when the V/div setting is

7.9V/div or lower the attenuation when the V/div is <7.9V/div. As a result the probe can automatically adjust attenuation to properly view the input waveform.
Lock to High locks the attenuation setting to the highest attenuation, regardless of the V/div setting. Maintaining a high attenuation will allow small signals on a larger voltage
waveform to be accurately measured.
Overload Indicator (A models only)
On HVD3000A probes, an indication will appear in the oscilloscope message bar when the differential or common mode voltages are beyond the operating ranges of the probe. Note that the warning message below may trigger before any saturation occurs. It is designed to guarantee that the system will not fail to indicate an overload.

Overload Indicator Thresholds

158 V Common Mode: ± 1.8k V
3206A| X500 Attenuation| X50 Attenuation
 | Differential Mode: ± 2.1 kV Common Mode: ± 2.1 kV| Differential Mode: ± 180 V Common Mode: ± 2.1 kV
3605A| X2000 Attenuation| X200 Attenuation
 | Differential Mode: ± 7.7 kV Common Mode: ± 7.7 kV| Differential Mode: ± 760 V Common Mode: ± 7.7 kV

Auto Zero
Auto Zero corrects for DC offset drifts that naturally occur from thermal effects in the differential amplifier. For example, the DC offset drift of the HVD310x and HVD310xA probes is 70 μV/°C (worst case) referred to the output. If the probe is set to 50x attenuation and the ambient temperature changes by 10 °C, the DC offset drift could be as high as (70 μV/°C)(50)(10 °C) = 35 mV referred to the probe tip. If measuring a 3 Vp-p signal, the DC offset drift could be a little more than 1%. If the signal was 1400 Vp-p in 500x attenuation mode, the DC offset drift at same ambient temperature could be as high as (70 μV/°C)(500)(10°C) = 350 mV due to the probe tip (although any offset accuracy error from the oscilloscope itself would likely dominate the measurement).
Auto Zero is invoked manually from the Probe dialog that appears behind the Channel setup dialog when the probe is connected to the oscilloscope.
NOTE: When using HVD3000 probes, disconnect the probe from the test circuit before performing Auto Zero. HVD3000A probes may remain connected during Auto Zero.
Always perform Auto Zero after the probe has been warmed-up (20 min. recommended).
Depending on the measurement accuracy desired and/or the change in the ambient temperature where the probe is located, it may be necessary to perform Auto Zero more often. If the probe is disconnected from the oscilloscope then re- connected, repeat Auto Zero after a suitable warm-up time.
Auto Zero is disabled when AC coupling is selected.

Maintenance

Cleaning
Clean only the exterior surfaces of the device using a soft cloth or swab dampened with water or 75% isopropyl alcohol solution. Do not use harsh chemicals or abrasive cleansers.
Dry the probe and accessories thoroughly before making any voltage measurements.
CAUTION. The probes are not waterproof. Under no circumstances submerge the probe in liquid or allow moisture to penetrate it.
Calibration Interval
This probe has no adjustments. The recommended calibration interval is one year. A Performance Verification Procedure is included in this manual.
Service Strategy
HVD3000 and HVD3000A probes utilize fine-pitch surface mount devices. It is, therefore, impractical to attempt repair in the field. Defective probes must be returned to a Teledyne LeCroy service facility for diagnosis and exchange.
CAUTION. Do not remove the covers. Refer all servicing to qualified personnel. A defective probe under warranty will be replaced with a factory refurbished probe.
A probe that is not under warranty can be exchanged for a factory refurbished probe for a modest fee. Replacement probes are factory repaired, inspected, and calibrated to the same standards as a new product. You must return the defective probe in order to receive credit for the probe core.
Replacement Parts
Replacement probe accessories can be ordered through your local sales office:

• Individual probe accessory tips can be purchased through your regional service center. Refer to the accessory part numbers listed earlier in this manual.

Returning a Product for Service

Contact your regional Teledyne LeCroy service center for calibration or other service. If the product cannot be serviced on location, the service center will give you a Return Material Authorization (RMA) code and instruct you where to ship the product. All products returned to the factory must have an RMA.
Return shipments must be prepaid. Teledyne LeCroy cannot accept COD or Collect shipments. We recommend air-freighting. Insure the item you’re returning for at least the
replacement cost.

1. Remove all accessories from the device.

2. Pack the product in its case, surrounded by the original packing material (or equivalent). Do not include the manual.

3. Label the case with a tag containing:
   • The RMA
   • Name and address of the owner
   • Product model and serial number
   • Description of failure or requisite service

4. Pack the product case in a cardboard shipping box with adequate padding to avoid damage in transit.

5. Mark the outside of the box with the shipping address given to you by Teledyne LeCroy; be sure to add the following:
   • ATTN:
   • FRAGILE

6. If returning a product to a different country:
   • Mark the shipment as a “Return of US manufactured goods for warranty repair/recalibration.”
   • If there is a cost for the service, list the cost in the Value column and the original purchase price “For insurance purposes only.”
   • Be very specific about the reason for shipment. Duties may have to be paid on the value of the service.
   Extended warranty, calibration, and upgrade plans are available for purchase. Contact your Teledyne LeCroy sales representative.

Technical Support

Live Support
Registered users can contact their local Teledyne LeCroy service center at the number listed on our website.
You can also submit Technical Support requests via the website at: teledynelecroy.com/support/techhelp
Resources
Teledyne LeCroy publishes a free Technical Library on its website. Manuals, tutorials, application notes, white papers, and videos are available to help you get the most out of
your Teledyne LeCroy products.
The Datasheet published on the product page contains the detailed product specifications.
Service Centers
For a complete list of offices by country, including our sales & distribution partners, visit: teledynelecroy.com/support/contact
Teledyne LeCroy
700 Chestnut Ridge Road
Chestnut Ridge, NY, 10977, USA
teledynelecroy.com
Sales and Service:
Ph: 800-553-2769 / 845-425-2000
FAX: 845-578-5985
contact.corp@teledynelecroy.com
Support:
Ph: 800-553-2769
customersupport@teledynelecroy.com

Reference

Common Mode Rejection Ratio
The ideal differential probe/amplifier would sense and amplify only the differential mode voltage component and reject the entire common mode voltage component. Real
differential amplifiers are not perfect, and a small portion of the common mode voltage component appears at the output.
Common Mode Rejection Ratio (CMRR) is the measure of how much the amplifier rejects the common mode voltage component. CMRR is equal to the differential mode gain (or normal gain) divided by the common mode gain. Common mode gain is equal to the output voltage divided by the input voltage when both inputs are driven by only the common mode signal. CMRR can be expressed as a ratio (e.g., 10,000:1) or implicitly in dB (e.g., 80 dB).
Higher numbers indicate greater rejection (better performance).
The first order term determining the CMRR is the relative gain matching between the + and  – input paths. Obtain high CMRR values by precisely matching the input attenuators in a differential amplifier. The matching includes the DC attenuation and the capacitance which determines the AC attenuation. As the frequency of the common mode component increases, the effects of stray parasitic capacitance and inductance in determining the AC component become more pronounced. The CMRR becomes smaller as the frequency increases. Therefore, the CMRR is usually specified in a graph of CMRR versus common mode frequency.
The common mode frequency in these graphs is assumed to be sinusoidal. In real life applications, the common mode signal is seldom a pure sine wave. Signals with pulse wave shapes contain frequency components much higher than the repetition rate may suggest. This makes it very difficult to predict actual performance in the application for CMRR- versus- frequency graphs. The practical application of these graphs is to compare the relative common mode rejection performance between different probes and amplifiers.

Differential Mode and Common Mode
Differential probes sense the voltage difference that appears between the + and – inputs. This is referred to as the Differential or Normal Mode voltage. The voltage component that is referenced to earth and is identical on both inputs is rejected by the amplifier. This is referred to as the Common Mode voltage and can be expressed as:

Differential Mode Range and Common Mode Range
Differential Mode range is the maximum signal that can be applied between the

• and – inputs without overloading the amplifier, which otherwise would result in clipping or
  distorting of the waveform measured by the oscilloscope.
  The Common Mode Range is the maximum voltage with respect to earth ground that can be applied to either input. Exceeding the common mode range can result in unpredictable measurements. Because the Common Mode signal is normally rejected, and not displayed on the oscilloscope, be careful to avoid accidentally exceeding the common mode range.
  IEC/EN 61010-031 Definitions
  IEC/EN 61010-031/A1:2008
  Measurement Category III (CAT III) applies to test and measuring circuits connected to the distribution part of the building’s low-voltage mains installation.
  Measurement Category II (CAT II) applies to test and measuring circuits connected directly to utilization points (socket outlets and similar points) of the low-voltage mains installation. Measurement Category I (CAT I) applies to test and measurement circuits that are not intended to be directly connected to the mains supply.
  Pollution Degree 2 refers to an operating environment where normally only dry non- conductive pollution occurs. Conductivity caused by temporary condensation should be
  expected.
  IEC/EN 61010-031:2015
  Measurement Category III (CAT III) applies to test and measuring circuits connected to the distribution part of the building’s low-voltage mains installation.
  Measurement Category II (CAT II) applies to test and measuring circuits connected directly to utilization points (socket outlets and similar points) of the low-voltage mains installation. No Rated Measurement Category applies to other circuits that are not directly connected to the mains supply.
  Pollution Degree 2 refers to an operating environment where normally only dry non- conductive pollution occurs. Conductivity caused by temporary condensation should be
  expected.
  NOTE: The 2015 version of the standard eliminates the Measurement Category I (CAT I) rating for test and measuring circuits that are not intended to be directly connected to the mains supply. However, this change in rating designation does not reduce the measurement capability or the level of protection offered by the new probe design when
  compared to the probes that were originally certified per the 2008 version of the standard.

Certifications

Teledyne LeCroy certifies compliance to the following standards as of the time of publication. As standards evolve, these certifications may no longer be current. Please see
the EC Declaration of Conformity certificate shipped with your product.
EMC Compliance
EC Declaration of Conformity – EMC
The probe meets the intent of EC Directive 2014/30/EU for Electromagnetic Compatibility.
Compliance was demonstrated to the following specifications as listed in the Official Journal of the European Communities:
EN 61326-1:2013, EMC requirements for electrical equipment for measurement, control, and laboratory use.1, 2, 3

1. This product is intended for use in nonresidential areas only. Use in residential areas may cause EM interference.
2. Emissions exceeding the levels required by this standard may occur when product is connected to a test object.
3. To ensure compliance with the applicable EMC standards, use high quality shielded interface cables.

EUROPEAN CONTACT:
Teledyne LeCroy Europe GmbH
Im Breitspiel 11c
D-69126 Heidelberg Germany
Tel: + 49 6221 82700
Australia & New Zealand Declaration of Conformity—EMC
The probe complies with the EMC provision of the Radio Communications Act per the following standards, in accordance with requirements imposed by Australian
Communication and Media Authority (ACMA): AS/NZS CISPR 11:2011 Radiated and Conducted Emissions, Group 1, Class A.
AUSTRALIA / NEW ZEALAND CONTACTS: RS Components Pty Ltd.
Suite 326 The Parade West
Kent Town, South Australia 5067
RS Components Ltd.
Unit 30 & 31 Warehouse World
761 Great South Road
Penrose, Auckland, New Zealand

• Visit teledynelecroy.com/support/contact for the latest contact information.

Safety Compliance

EC Declaration of Conformity – Low Voltage
The probe meets the intent of EC Directive 2014/35/EU for Product Safety. Compliance was demonstrated to the following specifications as listed in the Official Journal of the
European Communities:
IEC/EN 61010-031:2015 Safety requirements for electrical equipment for measurement, control, and laboratory use – Part 031: Safety requirements for hand-held probe
assemblies for electrical measurement and test.
U.S. Nationally Recognized Agency Certification
The probe has been certified by Underwriters Laboratories (UL) to conform to the following safety standard and bears UL Listing Mark:
UL 61010-031-2015 (Second Edition) – Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use – Part 031: Safety Requirements for Hand-Held Probe Assemblies for Electrical Measurement and Test.
Canadian Certification
The probe has been certified by Underwriters Laboratories (UL) to conform to the following safety standard and bears cUL Listing Mark:
CAN/CSA-C22.2 No. 61010-031-15 – Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use – Part 031: Safety Requirements for Hand-Held Probe Assemblies for Electrical Measurement and Test.
Environmental Compliance
End-of-Life Handling
The product is marked with this symbol to indicate that it complies with the applicable European Union requirements to Directives 2012/19/EU and 2013/56/EU on Waste Electrical and Electronic Equipment (WEEE) and Batteries.
The product is subject to disposal and recycling regulations that vary by country and region. Many countries prohibit the disposal of waste electronic equipment in standard
waste receptacles. For more information about proper disposal and recycling of your Teledyne LeCroy product, please visit teledynelecroy.com/recycle.
Restriction of Hazardous Substances (RoHS)
The product and its accessories conform to the 2011/65/EU RoHS2 Directive.

928986-00 Rev A
March, 2018
Test Equipment Depot – 800.517.8431 – 5 Commonwealth Ave, MA 01801
TestEquipmentDepot.com

Documents / Resources

| TELEDYNE LECROY HVD3000 Series High Voltage Differential Probe [pdf] User Manual
HVD3000 Series High Voltage Differential Probe, HVD3000 Series, High Voltage Differential Probe, Differential Probe, Probe
---|---

References

• Teledyne LeCroy - RoHS and WEEE
• Teledyne LeCroy - User Login
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