AMPROBE AM-17 Digital Multimeters Instruction Manual

AMPROBE AM-17 Digital Multimeters

Product Information

Specifications

• Model: [Model Name]
• Dimensions: [Dimensions]
• Weight: [Weight]
• Color: [Color]
• Material: [Material]
• Power Source: [Power Source]
• Operating Temperature: [Operating Temperature]
• Storage Temperature: [Storage Temperature]

Description
The [Product Name] is a high-quality, durable and versatile product designed to [product’s purpose]. With its sleek design and advanced features, it is suitable for various applications and environments.

Product Usage Instructions

• Step 1: Unboxing
  Start by carefully unboxing the product and ensuring that all the included accessories are present. Remove any protective packaging or film from the product.

• Step 2: Powering On
  Locate the power button on the product and press it to turn the device on. Wait for the device to initialize and enter the standby mode.

• Step 3: Initial Setup
  Follow the on-screen instructions or refer to the user manual for the initial setup process. This may include language selection, Wi-Fi configuration, and account creation.

• Step 4: Basic Operation
  Once the initial setup is complete, you can begin using the product. Familiarize yourself with the different buttons, controls, and features available. Refer to the user manual for detailed instructions on each function.

• Step 5: Maintenance and Cleaning
  To ensure optimal performance and longevity of the product, it is important to regularly clean and maintain it. Use a soft, lint-free cloth to wipe the exterior surfaces. Avoid using harsh chemicals or abrasive materials that may damage the product.

• Step 6: Troubleshooting
  If you encounter any issues or have questions about the product’s functionality, refer to the troubleshooting section in the user manual. It provides step-by-step instructions to resolve common problems.

• Step 7: Safety Precautions
  Always follow the safety precautions outlined in the user manual to prevent accidents or damage to the product. This includes proper handling, storage, and usage guidelines.

FAQ (Frequently Asked Questions)

• Q: How do I change the settings?
  A: To change the settings, navigate to the settings menu on the product’s interface or refer to the user manual for detailed instructions.

• Q: Can I use the product outdoors?
  A: The product is designed for indoor use only. Using it outdoors may expose it to environmental hazards and void the warranty.

• Q: How often should I clean the product?
  A: It is recommended to clean the product regularly, at least once a month, or as needed depending on the usage and environment.

• Q: What is the warranty period?
  A: The warranty period for the product is [Warranty Period]. Please refer to the warranty card or user manual for more information.

CAUTION:
DO NOT exceed 15,000 volts AC or DC. This probe is for low energy high impedance sources only. DO NOT use on power distribution lines or any other high-energy sources

PARTS LIST

• Test leads: MTL-18 for AM-16, AM-17, AM-18
• Fuse: 6.3×25-2-12 for AM-18 6.3×25-10-12 for AM-18
• Battery: 9 volt, MN-1604 for AM-17, AM-18. 2-AAA for AM-16, Part #912
• Optional Carrying case: SV-1
  • H-16Y- Holster: for AM-16 & AM-17
  • H-18Y- Holster: for AM-18

SERVICE

If the instrument fails to operate, check the battery, fuse(s), leads, etc., and replace as necessary. If the instrument still does not operate, double- check the operating procedure as described in the instruction manual. If the instrument still malfunctions, place it with a packing slip along with a brief description of the problem in sufficient cushioning material in a shipping carton. Be sure to indicate the serial number located on the back of the instrument Amprobe is not responsible for damage in transit. Make certain your name and address also appear on the box as well as the packing slip; ship prepaid via U.P.S. (where available) or Air Parcel Post insured to:

Service Division
AMPROBEINSTRUMENT 630 Merrick Road (use for U.P.S.) P.O. Box 329 (use for Parcel Post) Lynbrook, NY 11563-0329
Outside the USA, the local Amprobe representative will assist you.

LIMITED WARRANTY

Congratulations! You are now the owner of an AMPROBE® instrument. It has been crafted according to the highest standards of quality and workmanship. This instrument has been inspected for proper operation of all. of its functions. It has been tested by qualified factory technicians according to the long- established standards of AMPROBE INSTRUMENT.
Your AMPROBE instrument has a limited warranty against defective materials and/or workmanship for one year fromthe date of purchase provided the seal is unbroken or, in the opinion of the factory, the instrument has not been opened, tampered with, or taken apart.
Should your instrument fall due to defective materials and/or workmanship during the one-year warranty per!- od, return it along with a copy of your dated bill-of-sale which must identity the instrument by model number and serial number.
IMPORTANT : For your protection, please use the instrument as soon as possible. If damaged, or should the need arise to return your instrument, place it in a shipping carton packed with sufficient cushioning material. It must be securely wrapped, Amprobe is not responsible for damage in transit. Be sure to include a packing slip (indicating model and serial number) along with a brief description of the problem. Make certain your name and address appear on the box as well as the packing slip.
Ship prepaid via Air Parcel Post insured or U.P.S. (where available) to:

Service Division
AMPROBE INSTRUMENT
630 Merrick Road (use for U.P.S.) P.O. Box 329 (use for Parcel Post) Lynbrook, NY 11563-0329
Outside the U.S.A. the local Amprobe representative will assist you. The above limited warranty covers repair and replacement only and no other obligation is stated or implied.

PRECAUTIONS FOR PERSONAL AND INSTRUMENT PROTECTION

1. Read these instructions thoroughly and follow them carefully.
2. In many instances, you will be working with dangerous levels of voltage and/or current. Therefore, you must avoid direct contact with any uninsulated, current-carrying surfaces. Appropriate insulating gloves, clothing, and eye protection should be worn.
3. To avoid electrical shock to the user and/or damage to the instrument, do not apply more than 1000V between any terminal and ground.
4. Before applying test leads to the circuit under test, make certain that leads are plugged into proper jacks and switches are set to the proper range and function.
5. Before using any electrical instruments or tester for the actual testing, the unit should be checked on a low energy high impedance source. Do not use power distribution lines or any other high-energy sources.
6. When measuring current using the mA or 10A input: Before connecting or disconnecting the meter to or from the circuit to be tested, turn off all power to the circuit.
7. Do not attempt to measure a voltage unless you are already certain that the voltage is below 600 VAC or 1000 VDC. Do not use the 200 mV range unless you are already certain that the voltage is below 500V (AC or DC).
8. It the instrument should indicate that voltage is not present in the circuit, do not touch the circuit unt you have checked to see that all instrument switches are in the proper position and the instrument has been checked on a known live line.
9. Make certain no voltage is present in the circuit before connecting the ohmmeter to the circuit.
   IMPORTANT : Plug in only one accessory probo or set of test leads at any one time, except as directed.
   IMPORTANT : Failure to follow these instructions and/or observe the above precautions may result in personal injury and/or damage to the instrument and/or accessories.

SAFETY

This Instruction Manual has warnings and safety pre-caution information which must be followed to ensure safe operating conditions.

CAUTION
To avoid damage to the meter:

1. Disconnect the test leads from the circuit under test before changing functions.
2. Never connect the instrument to a voltage source with the rotary switch in the Ohms position.
3. Always use the correct replacement fuse. Check the manual for proper fuse rating.

INTRODUCTION

• Amprobe’s Model’s AM-16, AM-17, and AM-18 Digital Multimeters are designed for use in the field, laboratory, and home. These compact instruments give the user all the job-rated functions to get the job done.
• In addition to measuring Volts, Ohms Amps, etc. some models can measure capacitance, and perform diode and continuity tests.
• The units are equipped with a tilt stand for ease of readability and a protective holster with built-in test probe holders.

Unpacking and inspection of Contents
Included with each Multimeter should be the following items:

1. Two test leads; one black. and one red.
2. Instruction booklet.
3. Protective holster.

SPECIFICATIONS

• Type of Display: 3½ digit, 2000 count

• Ranging: Autoranging/Manual

• Automatic Polarity Indication: “—” display ior negative input.

• Overload Indication: LCDs “1” or “-1” blinks

• Auto Zero on all Ranges Low Battery Indication: Battery replacement is required when LCDs

• Sampling Rate: 2 times/sec.

• Operating Temperature & Humidity: 0° to 50°C (32’F to 122°F) @ 80%RH

• Storage Temperature & Humidity: -20°C to 60°C (-4°F to 140°F) @ 80% RH
  Dimensions with Holster: (WxL xH)

  • AM-16 – 3.15 × 6.50 x 1.42″
    (8.0cm x 16.5cm x 3.6cm)

  • AM-17 – 3.15″ × 6.50″ x 1.42″
    (8.0cm x 16.5cm x 3.6cm)

  • AM-18 – 3.40″ × 6.50″ x 1.57″
    (8.7cm x 16.5cm x 4.0cm)

• Weight with Holster:

  • AM-16 – 10.6 oz (300 gms)
  • AM-17 – 10.6 oz (300 gms)
  • AM-18 – 10.6 oz (300 gms)

• Battery Life : Greater than 400 Hrs.

• Power Source: 9V battery. P/N (MN1604) AM-17, AM-18, 2 (AAA) AM-16 P/N (S912)

• Auto-Power Off : Model AM-17, AM-18 approximately 30 minutes

• Temp. Coefficient : 0.15 x (Spec. Accy) Г’С, < 18°C or >28°C

• Case Breakdown Voltage : 3000 VAC

Circuit Protection:

• Micro-amp (HA) and milliamp (mA) ranges are fuse protected up to 600 volts AC/DC maximum with a 6.3×25-2-12 two amp fuse. Do not use substitute fuses.
• All resistance ranges are overload-protected against momentary misapplication of up to a maximum of 500 volts AC/DC for no longer than ten seconds. The 10-ampere range is fuse protected up to 600 volts ACIDC maximum with an AMPROBE fuse Pt. No. 6.3×25÷10-12, ten amp fuse. Do not substitute fuse.

IMPORTANT: Use of Instrument and/or accessories on circuits with higher voltages and/or currents than the indicated overload limits may result in personal injury and/or damage to the instrument and/or accessories.

DC Voltage:

• AM-16
  • 200 mV Range: $1.2% rdg +3digits.
  • 2V, 20V, 200V, and 600V Ranges: 10.8% rdg + 2digits.
• AM-17 & AM-18
  • 200 mV Range: $ 0.8% rdg + 2 digits.
  • 2V, 20V, 200V and 600V Ranges: 10.5% rda + 2 diaits.
• Resolution: 0.1 mV to 1 V
• Overload Protection; 600 V
• Input Impedance: 10 MS
• AC Voltage: 50 Hz to 400 z
• Ranges: 2V, 20V, 200V, and 600V
• AM-16: $1.9% rdg + 6 digits
• AM-17, AM-18: $1.5% rdg + 4 digits
• Resolution: 1mV to 1 V
• Input Impedance: 10 Ms
• Conversion Type: Average Sensing, RMS calibrated
• Overload Protection: 600 VAC
• DC Current: AM-18 ONLY
• 2mA, 200mA Ranges: $1.0% rog + 2 digits,
• 600mV RMS Burden
• Resolution: 1UA, 100VA.
• 10A Range: +2.5% rog + 3 digits, 900mV RMS Burden
• Resolution: 10mA
• AC Current: AM-18 ONLY 50 Hz to 400 Hz
• 2mA, 200mA Ranges: $1.5% rog + 4 digits, 600mV RMS Burden
• Resolution: 1UA, 100MA
• 10A Range: $2.9% rdg + 5 digits, 900mV RMS Burden
• Conversion Type: Average sensing, RMS calibrated

Resistance:

• Range: 20052, 2KQ, 20KS2, 200KR, 2MS, 20MS.
• Resolution: 0.15, 15, 100, 1005, 119, 10Kg.
• Accuracy: 20052 range $1.2% rog + 4 digits (AM-16) $1.0% rog + 4 digits (AM 17, AM 18) 2KQ, 20K, 200KQ, 2MQ ranges: $1.0% rdg + 2 dig- its (AM-16) , 10.8% rdg + 2 digits (AM-17, AM-18) 20 MS range: 12.9% rdg + 5 digits (AM 16), $1.9% rdg + 5 digits (AM-17, AM-18) 2002 Range
• Open Circuit Test Voltage: 400 mV (AM 16), 3.3V (AM-17, AM-18) 2KS thru 20m
• Ranges Open Circuit Test Voltage: 400mV (AM-16), 350 mV (AM-17, AM-18 low power), 660mV (AM-17, AM-18 high power).
• Overload Protection: 600 VDC or RMS AC (AM- 16), 550 VDC or RMS AC (AM-17, AM-18)
• AM-17, AM 18 20 MS range – to measure resistance from 2M2 – 20M& ONLY.
• Diode Check and Continuity Test: AM-16: Diode Check -Max test current 0.5mA, Max Open Circuit Voltage 1.5V
• Continuity Check – <3809 buzzer will sound
• Overload Protection – 600VDC/RMS AC max.
• AM-17, AM-18: Diode Check – Max test current 1.5mA, Max Open Circuit Voltage 3.3V
• Continuity Check – <255 to>2002 buzzer will sound
• Overload Protection – 500VDC/RMS AC max
• Capacitance: (AM-17, AM-18 ONLY)
• Ranges: 2ut, 20ur, 1000uF.
• Resolution: 1nt, 10nf, 1uf.
• Accuracy: (2 & 20uf ranges) $1.9% rdg + 5 digits at >10% full scale (1000 pt) ≤ 2.9% rdg + 20 digits
• Test Frequency: 2uf range – 320 Hz, 20uf range – 32Hz, 1000ul range – 16Hz.
• Max. Test Voltage: 3.3V peak
• Overload Protection: 500 VDC or RMS AC.

INPUT TERMINALS AND CONTROLS

1. Digital Display – The digital display has a 3% digit LCD readout (maximum reading 1999), auto polarity, decimal point, ta Ac, Hold and other annunciators.

2. Rotary Switch – Select the function and range as desired.

3. COM Input Terminal – Return terminal for all measurements.

4. VD * Input Terminal – Positive input connector for volts, ohms, and diode.

5. Hold Switch – This switch is used to hold a measured value for all functions, the “H” annunciator will be displayed.

6. Range Switch (Manual Range) – The “Range” switch is pushed to select manual ranging and to change ranges. Push the “Range” switch to select the appropriate range to be used. Push the “Range” switch and hold for 2 seconds to return to autoranging.

7. Digital Display – The digital display has a 31/2 digit LCD readout (maximum reading 1999) autopolarity, decimal point, ED OFFSET, Ac. LOS, AUTO, HOLD and other annunciators

8. Rotary Switch – Select the function and range desired.

9. COM INPUT Terminal – Return terminal for all measurements.

10. VS * Input Terminal – Positive input connector for volts, ohms, diode and capacitor

11. Range Switch (Manual Range) – The “Range” switch is pushed to select manual ranging and to change ranges. When the “Range” switch is pushed once, the “Auto” annunciator on the LCD disappears. Push the “Range” switch to select the appropriate range to be used. Push the “Range” switch and hold 2 seconds to return to autoranging.

12. AC/DC SLPS Switch – when the rotary switch is in the V? mode, by pushing the “AC/DC” switch once, the AC annunciator will be displayed in the LCD window. When the rotary switch is in the OHMS mode, pushing the AC/DC switch will display in the LCD window “LOR” (Low Power Ohms). Push it again to cancel.

13. Hold Switch – This switch is used to hold a measured valve on any function, the “f” annunciator is displayed in the LCD window.

14. Offset Switch – when the “OFFSET” switch is pushed, the “OFFSET” annunciator is displayed and the last two significant digits are stored and subtracted from all the following input conversions. Push the “offset” switch again to cancel. The “OFF-SET mode is also canceled whenever the measurement type or range selection is changed. In auto range operation, if the following input signal cannot be converted on the same range as the stored value, the “OFFSET” mode is canceled and the “OFFSET” annunciator is turned off. The “OFFSET” operation mode can be very useful in resistance/capacitance measurements when lead length resistance or stray capacitance would cause measurement errors, and can also be used to measure deviation on voltage measurement.

15. Digital Display – The digital display has a 31/2 digit LCD readout (maximum reading 1999) autopolarity, decimal point, E OFFSET, AC, LOS, AUTO, HOLD, and other annunciators

16. Rotary Switch – Select the desired function and range.

17. COM INPUT Terminal – Return terminal for all measurements.

18. VS * Input Terminal – Positive input jack for volts, ohms, diode, and capacitance ranges.

19. mA input Terminal • input connector for current measurements up to 200 mA.

20. 10A Input Terminal – Positive input terminal for current measurements up to 10A.

21. Range Switch (Manual Range) – The “Range” switch is pushed to manually select and change ranges. When the “Range” switch is pushed once, the “Auto” annunciator on the LCD disappears. Continue to push the “Range” switch to select the appropriate range. Push the “Range” switch and hold for 2 seconds to return to autoranging.

22. AC/ D SULP Switch – when the rotary switch is in the V mode, by pushing the “Ac/ be” switch once, the ac annunciator will be displayed in the LCD window. When the rotary switch is in the OHMS mode, pushing the Ac/ Dd switch will display in LCD window “LPS” (Low Power Ohms). Push it again to cancel.

23. Hold Switch – This switch is used to hold a measured value on all functions. When Pressed, the “H” annunciator will be displayed.

24. Offset Switch – when the “OFFSET” switch is pushed, the “OFFSET” annunciator is displayed and the last two significant digits are stored and subtracted from all the following input conversions. Push the “offset” switch again to cancel. The “OFFSET” mode is also canceled whenever the measurement type or range selection is changed. In autorange operation, if the following input signal cannot be converted on the same range as the stored value, the “OFFSET” mode is canceled and the “OFFSET” annunciator is turned off. The “OFFSET operation mode can be very useful in resistance/capacitance measurements when lead length resistance or stray capacitance would cause measurement errors, and can also be used to measure deviation on voltage measurement.

Side view showing probe holders and tilt stand

Front view showing test leads in storage position

BATTERY REPLACEMENT

To install a new battery:

1. Disconnect the test leads from any circuit under test and turn off the meter.
2. Remove the test leads and holster from the meter.
3. Lay the meter face down on a work surface that will not damage its’ face.
4. Remove the screw on the case bottom.
5. Gently lift the end of the case bottom from which the screw was removed.
6. Remove the old 9-volt battery in models AM-17, and AM-18, and AAA in models AM-16 and replace it with a new one.
7. Replace the case bottom, and secure the screws.

FUSE REPLACEMENT (AM-18 ONLY)

1. Follow steps 1 through 5 from the “Battery Replacement procedure.
2. Carefully lift the circuit board assembly from the top case, and turn the circuit board over, revealing fuses.
3. Remove the defective fuse and replace it with a new one as noted in the parts list on Page 24.
4. Install circuit board into top case. Position the battery in its location.
5. Replace the bottom case and secure the screw.

MAKING MEASUREMENTS

Preparation & Caution Before Measurement

1. Wait 10 seconds after turning on the meter before making a measurement.
2. The rotary switch should be set to the function that you want to use before connecting the probes to the device being tested. Be sure to remove the test leads from the equipment being measured before switching the rotary switch to a new function.
3. If the meter is used near equipment that generates electromagnetic interference, the display may be unstable or indicate incorrect measurement values.
4. Inspect the test leads periodically for breaks in the insulation or the wire. Make a continuity check whenever in doubt. Replace leads if found defective.

Diode and Transistor Test Measurements
The special Diode Test Function # allows relative measurements of forward voltage drops across the diode and transistor junctions. This function also permits the measurement of in-circuit semiconductor junctions.

Diode Check
For models AM-17 and AM-18, make sure the meter is in the “DC” mode. Failure to do this may result in erroneous reading.

1. Set the rotary switch at (# AM-16), (# •9 AM-17, AM-18):
2. Connect the black test lead to the “COM” terminal and the red test lead to the (VS AM-16), (VS AM-17, AM-18) terminal.
3. Connect test leads to the diode. Red to band end, black to other end. The forward voltage drop of a good silicon diode is typically 400v to .900v. If the diode under test is defective on “.000” (AM-16) or “000” (AM-17 & AM-18) indicates a short circuit. An approximate 1.5v (AM-16) or 2.6v (AM-17 & AM- 18) indicates a nonconducting or open state.
   Reverse check of the diode (reverse test leads). A good diode will indicate approximately (1.5v on AM-16) or (2.6v on AM-17 & AM-18). If the diode under test is defective, a lower value or zero is displayed.

Continuity Test
For models AM-17 and AM-18, make sure the meter is in the “DC” mode. Failure to do this may result in erroneous reading.

1. Connect the red test lead to the input terminal (VS # AM-16) or (VS * AM-17 or AM-18). Connect the black test lead to the “COM” input terminal.
2. Set the rotary function selector to (• for AM-16) or ( • for AM-17 or AM-18).
3. Connect the test leads to the circuit to be measured. The continuity buzzer will sound if the circuit resistance is less than (3800 AM-16) or (255 AM-17 & AM-18).

Voltage Measurements

Do not apply more than 600 VDC or 600 VAC RMS to input. Do not apply more than 600 volts between any input terminal and earth ground. Exceeding these limits creates a shock hazard and may damage the instrument.

1. Connect the red test lead to the (VS AM-16), (VS AM-17 & AM-18) input terminal. Connect the black test lead to the “COM” input terminal.
2. Select AC or DC. AM-16, move the selector switch to “V” or “V-“. AM-17 and AM-18, move the selector switch to “y*” and push the AC/DC switch. Note: “AC” annunciator is displayed in the LCD when AC has been selected.
3. Connect test leads to the device to be measured.
4. When the input is “OVERRANGED” the MSD of the LCD flashes and the three least significant dig- its (LSD) are set to zero. (AM-16 also buzzes a noncontinuous 2 kHz tone).
5. WARNING : DO NOT EXCEED 600VDC or 600V RMS AC limits as stated in the specifications.

Current Measurement (AM-18 only)

DO NOT exceed the current rating of current ranges. If the range is not known, start at a high range.

1. Connect the red test lead to the mA or 10A terminal. Connect the black test lead to the “COM” terminal.
2. Set the function selector switches to the appropriate range. Select AC or DC as required by pushing the AC/DC button.
3. Connect the test leads in series to the load.

Input Jack Alarm (AM-18)

A beep will sound if the test lead is connected to the mA or 10A input terminal. However, the rotary switch is not in the mA or 10A positions.
WARNING : DO NOT apply a voltage between mA/10A and COM terminals.
Capacitor Measurement (AM-17 & AM-18)

CAUTION:

1. Fully discharge any capacitor to be measured.
2. Observe polarity when testing polarized capacitors.

For models AM-17 and AM-18, make sure the meter is in the “DC” mode. Failure to do this may result in erroneous reading.

1. Connect the red test lead to the “VS? *” input terminal: Connect the black test lead to the “COM” input terminal.
2. Select the capacitance range you wish to use.
3. Connect the test leads to the capacitor to be measured.

NOTE 1. Make sure that the display shows DC voltage mode. Not AC voltage mode.
NOTE 2. Use the “OFFSET” button to subtract any stray capacitánce.

Resistance Measurement (AM-16 ONLY)

See “PRECÁUTIONS” and “CAUTIONS” on pages 3 and 4

1. Connect the red test lead to the “VS *” terminal. Connect the black test lead to the “COM” terminal.
2. Set the rotary selector to “” position to measure resistance up to 20MS.
3. Connect test leads to the circuit.
   NOTE : Ensure the circuit under test contains NO VOLTAGE.

Resistance Measurement (AM-17 & 18)
See “PRECAUTIONS” and “CAUTIONS” on pages 3 and 4

1. Connect the red test lead to the “VS * ” terminal. Connect the black test lead to the “COM” terminal.

2. Set the rotary selector to ” position to measure the resistance of up to 2MS. Set the rotary selector to 20Ml position to measure resistance between 2m% and 20Ms.

3. To measure in-circuit resistance shunted by a semiconductor junction, push the “O/LPS” button. “LP” annunciator should come on in the LCD.

4. Connect test leads to the circuit.
   NOTE : Ensure the circuit under test contains NO VOLTAGE.

5. When measuring resistance less than 2002, select the 2002 range then short test leads together (before making measurement) and push the “OFFSET” button.
   This will subtract the resistance of the test leads from the actual circuit measurement.

USING ACCESSORIES WITH THE AM-16, AM-17, and AM-18
High Current Measurement with AC Clamp-On Transducers
AC can be measured using a clamp-on current transducer available as an accessory – Model A663-4B for 0-300 amps AC; model A664-4B for 0- 1000 amps AC.

1. Select the 2V AC range.
2. Plug the leads of the transducer into the “COM” and the “VD” jacks of the AM-16, AM-17 and AM- 18.
3. Clamp the current transducer around a single conductor.
4. Read the display directly using the conversion of 1mV = 1 amp e.g. If the instrument is in the 2V range and the display is showing 0.976, ignore the decimal point and interpret the reading as 976 amps.
5. Transducers are calibrated to give an output of 1mV/1 amp AC from 45-500Hz based on sinusoidal waveforms.

Note: The AMPTRAN® 50:1 transformers (models CT50-1 and CT50-2), the Deca-Tran® 10:1 transformer (model A50-1), and the Energizer line splitter (model A-47L) may be used with the A663-4B/A664-4B transducers to further expand the current measuring capability of the AM-16, AM-17 and AM-18 .
Example – Reading is .600, drop decimal point and multiply by 50; 600 x 50 = 3,000 amps.

The Amptran® CT50-1 has a maximum rating of 6,000 amperes intermittent duty and 5,000 amperes continuous duty. The CT50-2 has a maximum rating of 3,600 amperes intermittent duty and 3,000 amperes continuous duty. The Deca-Tran® A50-1 has a maximum rating of 1,200 amperes intermittent duty and 600 amperes continuous duty. The Energizer A-47L has a maximum rating of 20 amperes intermittent duty and 15amperes continuous duty.
Note : Accuracy of reading on the DMM is the accuracy of the AM 16, AM 17 or AM-18 plus the accuracy of each transducer.
High Current Measurement with AC/DC Clamp-On Transducer CT-600 and AM-16, AM-17, and AM-18 AC or DC can be measured using the current transducer model CT-600 AC/DC

DC

1. Select 2 volt DC range on AM 16, AM-17 or AM-18.
2. Plug the black lead of the CT-600 into the “COM” jack and the red lead into the “VO # * ” jack.
3. Turn the transducer on by sliding the range switch to either the 100 amps or 600 amps position.
4. When measuring DC amps, zero adjusts the output of the transducer. Using the AM-16, AM-17 or AM-18 as a readout device, rotate DCA zero and adjust until a zero or close to zero reading is achieved.
5. Clamp the jaw of the transducer around the conductor, centering it as accurately as possible.
6. Read display on AM-16, AM-17 or AM-18 using the conversion on the front panel of the transducer. i.e.
   For 100 Amp range, 1 Amp equals 10m V and for the 600 Amp range, 1 Amp equals 1 mV.
   Note : The accuracy of the reading on the DMM is the accuracy of the AM-16, AM-17 or AM-18 plus the Accuracy of the CT-600. Refer to the instruction booklet of the CT-600 for its accuracy.

AC can be measured in the same fashion, select the 2V AC range on the AM-16, AM-17 or AM- 18 and follow the above steps.
For better resolution, the 200mV DC range can also be selected on models AM-16, AM-17 and AM-18 when using an accessory.

Temperature Measurement with AM-16, AM 17 and AM-18

See “PRECAUTIONS” and “CAUTIONS” on pages 3 and 4
Temperature from -50°F to 300°F or -55°C to 150°C is possible with the temperature accessory model TMA-1. The following probes available only from Amprobe are used in conjunction with the TMA-1; TPIF – Fahrenheit Immersion Probe; TPSF – Fahrenheit Surface Probe; TPAF – Fahrenheit Air Probe; TPIC – Centigrade Immersion Probe; TPSC – Centigrade Surface Probe; TPAC – Centigrade Air Probe.

1. Install the battery and connect the appropriate probe to TMA-1 as per its operating instructions.
2. Select either the 200mV DC or 2V DE range on the AM-16, AM-17 or AM-18.
3. Insert banana plugs from model TMA-1 observing polarity into the jacks of AM-16, AM-17 or AM-18. (“+” from TMA-1 to “VS# + “jack. “_’ from TMA-1 to “COM” jack.
4. Insert temperature probes into the medium to be tested.
5. The AM-16, AM-17 or AM-18 should now be indicating a mV reading equal to the temperature being measured. i.e. 72mV = 72″

Note : For resolution and accuracy, refer to the operating instructions of model TMA-1. The accuracy of reading on the DMM is the accuracy of the AM-16, AM-17 or AM-18 plus the accuracy of the probe.

Power Measurements with AW-80/AW-81 and AM-16, AM-17 and AM-18

• Measure kilowatts
• Measures AC amperes
• Determine KVA and Power Factor

Power (KW) single phase or AC can be measured using the model AW-80 or AW-81 Watt/Amp Transducer available separately as an accessory.
Model AW-80 ranges 0-19.99/199.9KW with voltage inputs up to 240 VAC (+10% max) and current inputs of 0-150/1000 Amps AC. Model AW-81 ranges 0-40/400KW with voltage inputs of 208 to 550 VAC (+10% max) and current inputs of 0-150/1000 Amps AC. Both units may also be used to measure current 0-1000 Amps AC (50-60 Hz). For complete instructions, see the separate AW-80/81 operating instructions booklet, Pt. No. 981759.

Note: The accuracy of the reading of DMM is the accuracy of AM-16, AM-17 or AM-18 plus the accuracy of the power transducer. Refer to the operating instructions of the AW-80/81 for correct accuracy.

High Voltage Measurement
15K VAC/DC with AM-16, AM-17 and AM-18

1. To use accessory high voltage probe HV-2 with the AM-16, AM-17 or AM-18, unscrew the handle from the main probe and insert resistor model HVR-4 or HVR-41 (not supplied with probe) with the spring on the resistor towards the handle.
2. Screw the handle back onto the probe.
3. Move the rotary switch to the volts position, and select AC or DC.
4. Using the range key, select 20 volt range.
5. Plug the black test lead into the “COM” jack on the meter, and connect the red HV-2 probe in the “V” jack.
6. Take the black lead and ground it.
7. With your hand behind the protective disc on the handle of the probe, touch the probe tip to the circuit under test.
8. Take the reading and multiply by 100.

References

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