PMK HORNET Series High Voltage Differential Probes User Guide

PMK HORNET Series High Voltage Differential Probes

Manufacturer
PMK Mess- und Kommunikationstechnik GmbH
Königsteiner Str. 98
65812 Bad Soden, Germany
Tel: +49 (0) 6196 999 5000 Internet: www.pmk.de
E-Mail: sales@pmk.de

Warranty

PMK warrants this product for normal use and operation within specifications for one year from the date of shipment and will repair or replace any defective product that was not damaged by negligence, misuse, improper installation, accident or unauthorized repair or modification by the buyer. This warranty covers defects in materials and workmanship only and does not cover wear and tear. PMK disclaims any other implied warranties of merchantability or fitness for a particular purpose. PMK will not be liable for any indirect, special, incidental, or consequential damages (including damages for loss of profits, loss of business, loss of use or data, interruption of business and the like), even if PMK has been advised of the possibility of such damages arising from any defect or error in this manual or product.

Declaration of Conformity
PMK declares the conformity of this product with the actual required safety standards per the Low Voltage Directive (LVD) 2014/35/EU:
The basis on which conformity is being declared
EN IEC 61326-1:2021 Electrical equipment for measurement, control and laboratory use
EMC requirements – Part 1: General requirements
EN IEC 61000-4-2:2008 Electromagnetic compatibility (EMC) –Part 4-2: Testing and measurement
techniques –Electrostatic discharge immunity test
EN IEC 61010-1:2020 Safety requirements for electrical equipment for measurement, control and laboratory use

Part 1
General safety requirements for electrical equipment for measurement, control, and laboratory use.

WEEE/ RoHS Directives
This electronic product is classified within the WEEE/ RoHS category list as monitoring and control equipment (category 9) and is compliant with the following EC Directives.
WEEE Directive 2012/19/EU Waste Electrical and Electronic Equipment
RoHS Directive 2011/65/EU Restriction of the use of certain Hazardous Substances in Electrical and

Electronic Equipment
Your help and efforts are required to protect and keep clean our environment. Therefore, return this electronic product at the end of its life either to our Service Department or take care of a separate WEEE collection and professional WEEE treatment yourself. Do not dispose of unsorted municipal waste.

IEC Pollution Degrees

Definitions and Examples
Overview of measurement categories according to IEC 61010-01
O = No Measurement Category (Other circuits that are not directly connected to mains)
Pollution Degree 1 No POLLUTION or only dry, nonconductive POLLUTION. NOTE: The POLLUTION has no influence.
Pollution Degree 2 Only- nonconductive POLLUTION. Occasionally, however, a temporary conductivity caused by condensation must be accepted.
Pollution Degree 3 Conductive POLLUTION occurs or dry, non-conductive POLLUTION occurs which becomes conductive due to condensation which is to be expected.

IEC Safety Symbols
The following symbols may appear on the product or in this instruction manual:
Caution, risk of danger. Refer to manual.
Caution, risk of electric shock.
Earth (ground) TERMINAL.

Safety and Handling Information

• The overall safety of any measurement setup incorporating this probe is the responsibility of the user.
• To prevent electrical accidents, read the safety instructions carefully. Observe the five safety rules of the German standard series EN 50110-1.
• Use the probe head’s keyboard only when the circuit under test is de-energized.
• Use non-handheld and in test setups with a safe environment only.
• This probe is not for hand-held use. Install the probe in a safety-protected test environment and make all required configurations before starting the measurements.
• Prevent personal injury, fire and product damage.
• To avoid personal injury and to prevent fire or damage to this product or products connected to it, review and comply with the following safety precautions. Be aware that if you use this probe assembly in a manner not specified the protection this product provides may be impaired. Only qualified personnel should use this probe assembly.
• Use only grounded instruments.
• Do not connect the probe’s BNC ground to a potential other than earth ground. Always make sure the probe and the measurement instrument are grounded properly.
• Connect and disconnect properly.
• Connect the probe output to the measurement instrument before connecting the probe’s inputs to the circuit under test.
• Disconnect the probe’s inputs from the de-energized circuit under test before disconnecting the probe from the measurement instrument.
• Observe probe and probe accessory ratings.
• Do not apply any electrical potential to the probe input which exceeds the maximum ratings of the probe, or the accessories connected to it. In case of a combination, always the lower rating/measurement category applies to both the probe and accessories connected to it.
• Keep away from hazardous live circuits.
• Avoid open circuitry. Do not touch connections or components when power is present.
• Do not operate with suspected failures.
• Refer to qualified service personnel.
• Indoor use only.
• Do not operate in wet environments. Keep the product dry and clean.
• Do not operate the product in an explosive atmosphere.

About HORNET® Probe Series
The state-of-the-art high voltage differential probe series HORNET® combines a ±4000V differential and common mode voltage input range with a remarkable

300MHz bandwidth, establishing itself as the best-in-class solution for the growing demands of wide bandgap power electronics design, e.g. double pulse testing of high-speed high-voltage switching devices of SiC technology, and IGBTs, thyristors, fast-switching HV diodes, and more. The high voltage differential probe series HORNET® is not for handheld use and integration into fully automated or manual test stations for high-voltage safety reasons. HORNET® is therefore used as a voltage-measuring component (permanently attached device) of a test system.

Key Features of HORNET

• Unprecedented Voltage Capability: HORNET
• 4000V differential and common mode voltage capability provide engineers with the flexibility to tackle the most challenging high-voltage applications in power electronics design.
• High-Frequency Performance: With a bandwidth exceeding 300MHz, HORNET® ensures accurate and reliable measurements for fast-switching wide bandgap, SiC, and power electronics, making it an essential tool for engineers working on advanced designs having a protected test environment.
• Precision in Every Detail: HORNET® is engineered to deliver precise and consistent results, allowing designers to optimize the efficiency and performance of their power electronic systems with confidence.
• Safety First: PMK prioritizes safety, and HORNET® is no exception. The probe is designed with advanced safety features to safeguard both users and the equipment during high-voltage measurements.
• HORNET® series probes are not for handheld use when placed in an energized circuit.
• All HORNET® series probes are for installation in a safety test environment and are recommended to be controlled remotely. The „PMK Probe Control“ software provides the ability for the user to control the probe remotely via a computer and provides the user with a graphical user interface. The software is free of charge and included with PMK’s 2ch and 4ch power supplies PS-02 and PS-03, which are required to power the scope-agnostic probe. The PS-02 and PS-03 power supplies all have a USB interface and are available with an optional LAN interface. ISO17025 calibration upon delivery or as recalibration is available.
• The HORNET® series probes have a universal BNC output connector and are compatible with any oscilloscope in the lab with 50Ω input impedance, or 1MΩ input impedance and a 50Ω feed-through termination.
• All models require a power supply, which is not included in the scope of delivery and has to be ordered separately. Review the Ordering Information at the end of this document for more details.

Measurement Principle
The high voltage differential probe series HORNET® consists of two balanced precision attenuators, which are differentially matched. The attenuators scale the input voltage before passing into the differential amplifier. The output of the differential is fed over a driver stage to the 50 Ω input of a measuring device.

Factory Calibration
All models are shipped with factory calibration certificates. Annual factory re-calibration is recommended. ISO17025 calibration upon delivery or as re- calibration is possible on request.

Specifications

Read the Instruction Manual before first use and keep it for future reference. A digital copy of the latest Instruction Manual revision can be downloaded at www.pmk.de. Do not exceed the specifications. Allow the probe to warm up for 20 minutes. This probe comes with 1 year warranty. Each specification is determined at +23 °C ambient temperature. This probe series is not for hand- held use and is not rated for CAT II, III or IV.

Electrical Specifications
Electrical Specifications1 that are not marked with (*) as guaranteed are typical. The use of a digital filter with BW=400MHz is recommended. The electrical specifications are valid for use in a controlled environment, like a semiconductor tester or test setup with a protective cover.

*Bandwidth (-3 dB)**

Small Signal (guaranteed)

| ≥300MHz
Rise time (10 % – 90 %) Large Signal| 1000:1, 500:1: 1.0 ns

200:1, 100:1: 1.1 ns

Maximum Rated Input Voltages ²
No Measurement Category| 4000 V rms + 4000 V transient overvoltage
CAT Rating| not applicable
Pollution Degree| 2
Maximum Differential Voltage

(DC + AC peak)

| Input| 1000:1 ± 4000 V

500:1 ± 2000 V

200:1  ± 800 V

100:1  ± 400 V

Common Mode Voltage| ± 4000 V peak (2800 V RMS)
DC Gain Accuracy 3| ±1.5 % (preliminary)
Propagation Delay (± 0.5 ns)| 12 ns
Noise (AC RMS ) (Referred to Input)
30MHz bandwidth| 400V:

2000V:

| 0.11 V,  800V: 0.11 V

0.13 V, 4000V: 0.14 V

Full bandwidth| 400V:

2000V:

| 6.2 V,      800V: 5.2 V

1.2 V,  4000V: 0.63 V

Input Impedance 4
Each Input to Ground| 10 MΩ || < 5 pF
Differential Input Impedance| 20 MΩ || < 2.5 pF
Common Mode Rejection Ratio (CMRR) preliminary| DC:          > 70 dB 100 kHz: > 60 dB

1 MHz:     > 60 dB

3.2 MHz: > 60 dB

| 10 MHz: > 50 dB

50 MHz: > 40 dB

100 MHz: > 30 dB

300 MHz: > 25 dB

Notes

1. Determined when using a PS-02 power supply at +23°C ambient temperature.
2. The rating is based on basic insulation in a controlled environment by IEC 61010-1.
3. Also, observe the definitions on pages 4 and 5.
4. Input voltage >25%
5. Including input leads, cables in parallel, measurement frequency 1MHz

Mechanical Specifications

Notes
Different accessories for connectivity are available. Please review the section “Ordering Information”.

Environmental Specifications

Maximum

Relative Humidity

| Operating| 80 % relative humidity for temperatures up to +31 °C, decreasing linearly to 40 % at +50 °C
Non-Operating| 95 % relative humidity for temperatures up to +40 °C
Altitude| Operating| up to 2000 m
Non-Operating| up to 15000 m

Dimensions

• Probe’s power supply pin assignment
• Probe’s power supply pin assignment “cable view”
• Observe the probe’s power supply pin assignment.

Typical Voltage Derating

• Note that the maximum input voltage rating of the probe decreases as the frequency of the applied signal increases.
• Typical Voltage Derating – HORNET4kV
• No Measurement Category

Typical Input Impedance
The input impedance of the probe decreases as the frequency of the applied signal increases.

Typical Differential Input Impedance – HORNET4kV

Maximum Input Voltage, Example 4000V Model, 1000:1 Range

Maximum Input Voltage, Example 4000V Model, 100:1 Range

Cleaning
To clean the exterior of the probe, use a soft cloth moistened with either distilled water or isopropyl alcohol. Before use allow the probe to dry completely.

Handling Information
When using HORNET® series non-hand-held probes install them in a safe environment only, e.g. a tester application. Probe configurations via remote control are recommended. Download the “PMK Probe Control” PC software free of charge from www.pmk.de Make all required probe settings before the measurement starts. To prevent electrical accidents, read the safety instructions and this entire manual carefully, and observe the five safety rules of the German standard EN 50110-1.

Connect first the BNC output to the oscilloscope, then connect the probe inputs to the de-energized circuit under test. This is not a hand-held probe. Make sure the probe is installed in a safe environment. and configured completely before its operation. For removing the probe’s input from the DUT, or for changing the configuration via the knobs at the probe head, make sure the circuit under test is de-energized.

General Information
Adjust the input coupling of the measuring instrument to 50Ω before connecting the probe to it. After connecting the power supply, you hear a short triplet of signals from the buzzer and the LEDs on the probe head will blink. Adjust the attenuation and offset correction if needed. After all settings are made, the probe is ready to be used as a component of the measurement system.

Probe Head Indicator Layout
Use the probe head’s control buttons only if the circuit under test is de- energized. Remote control is recommended.

Buttons (Controlled via the Remote Probe Control Interface

• 1 Higher attenuation 2 Lower attenuation
• 3 Negative active Offset coarse 4 Positive active Offset coarse
• 5 Negative active Offset fine 6 Positive active Offset fine
• 3+5 Negative active Offset XL 4+6 Positive active Offset XL
• 7 Set Button
• Change the factory presets, 250mV, 4V, 400V via the remote control software “PMK Probe Control”.

LED Lights A – C

• Attenuation Indicators (varying with model)
• Overvoltage Indicators: Input Channels, Output C Colored Indicator of the Measuring Channel

User Default
The User Default settings of the HORNET® series probe are loaded automatically when the probe is powered up. They are saved in real-time, with no need to actively save or recall at any time.

Keylock
If no key is pressed 10 seconds after opening the menu the keypad will be locked. Press the “Set” button again to release it. Use the probe head’s control buttons only if the circuit under test is de-energized. Remote control is recommended.

Global Offset
By pressing “Set” you can switch between the set global offset position and zero. While in the setup menu, this function is not available. Also with set “Hold Overload” an occurring overload event must be cleared before switching offset zero position is available. Use the probe head’s control buttons only if the circuit under test is de-energized. Remote control is recommended.

Setup Menu
Access the setup menu by holding the “Set” button for 5s. The overvoltage indicator LED of the output blinks green as confirmation. The setup menu starts with the unlid/off LED 1000:1, the Channel Identification Color menu, and menu point I. The selected menu item is indicated by the attenuation LEDs. Change the menu selection using buttons “1” and “2”. Use the Buttons “5” and “6” to configure the settings in the menu. Press “7”, the SET button, to exit the menu. Use the probe head’s control buttons only if the circuit under test is de-energized. Remote control is recommended.

In the following LEDs are marked as x = unlit/off and o= lit/on. Channel Identification Color ( x o o o ) – Menu point I For channel identification the following colours (modes) are available: unlit, white, yellow, cyan, pink, blue, green, and red. Overload Buzzer ( o x o o ) – Menu point II In case of detected overvoltage at the input or output channel, the Overload Buzzer gives an audible signal and can be turned on- and off with Button “5”. Additionally, the Hold-Overload Buzzer can be activated with Button “6”. In case of detected overvoltage, the “Set” Button must be pressed to confirm and carry on. Key buzzer ( o o x o ) – Menu point III Activate the Key Buzzer, giving audible feedback when any Button on the keypad is pressed.

Offset synchronization ( o o o x ) – Menu point IV

• Turn offset synchronization on and off.
• Offset-Zero( o o o x ) – Menu points V – VIII
• Adjust offset-zero per attenuation mode.

Reset Factory Default
By pressing both buttons “1+2” together while in the setup menu, the probe resets to factory settings. Hold both buttons for 5s and wait until you hear a differing signal. Use the probe head’s control buttons only if the circuit under test is de-energized. Remote control is recommended.

Scope of Delivery
A PMK power supply is required for all models. See the chapter “Ordering Information” to review the selection.

• Probe HORNET® series
• Factory calibration certificate
• Instruction manual 890-520-000
• Power Supply Cable (0.5 m), 30VAC / 60V DC
• (1.5m cable available as an option) 890-880-103
• Pair of Probe Tip Adaptors 4mm to 0.8mm (2x black) – spare part 2x 890-808-105 2-Footer 890-880-102
• Set of 4 Spring Tips (fine) 890-880-101
• Set of 10 Contact Pins 0.64mm 890-880-110
• Pair of Spade Terminals, narrow (black/red), 30V AC / 60V DC – spare part 890-880-107
• Pair of Spade Terminals, wide (black, red), 30V AC / 60V DC– spare part

Ordering Information
Step 1: Select the Probe

• HORNET4kV High voltage differential probe, 4000V, >300MHz, with four selectable dividing ranges, 1000:1, 500:1, 200:1, 100:1

Step 2: Select Additional Accessories

• Note, that any additional accessory degrades the probe’s performance. Always observe the lowest
• Maximum Input Voltage. Do not use any other accessories than those recommended by PMK. 016-397-049
• Carrying Case with Foam Inlay (black) 890-880-103
• Pair of Probe Tip Adaptors 4mm to 0.8mm (2x black) – spare part 890-880-106
• Pair of Mini Spring Tip Probes 4 mm (black, red), 600V CAT II 890-808-105 2-Footer 890-880-102
• Set of 4 Spring Tips (fine) – spare part 890-880-101
• Set of 10 Contact Pins 0.64mm – spare part 890-880-110
• Pair of Spade Terminals, narrow (black/red), 30V AC / 60V DC – spare part 890-880-107
•  Pair of Spade Terminals, wide (black, red), 30V AC / 60V DC– spare part
• 4mm-SMA-M4mm safety banana socket to SMA plug adapter, for high-frequency voltage measurements, 500V DC + AC pk, 1000V peak pulse
• 4mm-SMA-F
• 4mm safety banana socket to SMA socket adapter, for high-frequency voltage measurements, 500V DC + AC pk, 1000V peak pulse 4mm-MMCX-M
• 4mm safety banana socket to MMCX plug adapter, for high-frequency voltage measurements, 250V DC + AC pk, 500V peak pulse 4mm-MMCX-F
• 4mm safety banana socket to MMCX socket adapter, for high-frequency
• voltage measurements, 250V DC + AC pk, 500V peak pulse 4mm-BNC-F
• 4mm safety banana socket to BNC socket adapter, for high-frequency
• voltage measurements, 750V DC + AC pk, 1500V peak pulse 4mm-WSQ-5.08
• 4mm safety banana socket to square pin adapter, 5.08mm, for high-frequency
• voltage measurements, 750V DC + AC pk, 1500V peak pulse 890-880-115
• Pair of Clamps, Hook (black & red), 1000V CAT II 890-880-114
• Pair of Clamps, Jaws (black & red) 1000V CAT III 890-880-113
• Pair of Clamps, Rotating Grip Jaw (black & red) 1000V CAT II 890-880-108
• Pair of Safety Alligator Clips, big (black & red), 1000V CAT III 890-880-111
• Pair of Safety Alligator Clips, small (black & red), 600V CAT III 890-880-112
• 5x Pair of Rail Clip Connectors 4 mm (black, red), 600V CAT 890-880-116
• 4 mm Coupler f-f (red), 30VAC / 60V DC 890-880-109
• Pair of Magnet Connectors 4 mm (black/red), 30VAC / 60V DC D010031
• 50Ω BNC feed-through for 1MΩ input oscilloscopes. >500MHz

Step 3: Select Power Supply

• A PMK power supply is required, and available separately. 889-09V-PS2 PS-02, 2ch power supply, with USB interface for remote control,
• for 100 -240V AC / 50 – 60Hz mains * 889-09V-PS2-L PS-02-L, 2ch power supply, with LAN and USB interface for remote
• control, for 100 -240V AC / 50 – 60Hz mains * 889-09V-PS3 PS-03, 4ch power supply, with USB interface for remote control,
• for 100 -240V AC / 50 – 60Hz mains * 889-09V-PS3-L PS-03-L, 4ch power supply, with LAN and USB interface for remote
• control, for 100 -240V AC / 50 – 60Hz mains * 890-520-915 Power Supply Cable, 1.5 m (0.5m cable included in scope of delivery)
• The power supply pin assignment is different from other power supplies.
• Use only original PMK power supplies with PMK probes.

Step 4: Select Positioning System

• 3D positioner with steel base, 200 mm span width, twin holder, ideal for reliable positioning when the probe’s inputs are equipped with spring-loaded tips 893-350-015
• 3D positioner with steel base, 200 mm span width and probe holder 893-350-014
• 3D positioner with steel base, arm with 200 mm span width and probe head
• holder, arm with 130 mm span width and twin holder, ideal for reliable positioning of a BumbleBee® or HORNET® series probe when the probe inputs are equipped with spring-loaded tips 893-350-013
• BumbleBee® or HORNET® series probe head holder – spare part, for use with PMK’s SKID positioning system for PCBs and probes 890-880-104
• Twin holder M6 – spare part, for use with PMK’s SKID positioning system for PCBs and probes
• Step 5: Select Accredited Calibration
• KAL-DAKKS-HORNET4kV ISO 17025 (re-)calibration
• KAL-HORNET4kV Factory recalibration. Certificate included in the scope of delivery.

Copyright © 2024 PMK – All rights reserved.
Information in this publication supersedes that in all previously published material. Specifications are subject to change without notice.

References

• PMK - Home
• PMK - Home

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