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Esd wrist strap tester

Velleman AS171: ESD Wrist Strap Tester

Velleman AS171

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Electro Static Discharge Wrist Strap Tester

Measure the resistance of your wrist straps with the Velleman AS171: ESD Wrist Strap Tester. To test for electro-static discharge, wear the anti static wrist strap as you normally would and connect it to the AS171. Push the large silver button on the device to start measuring the resistance of the ground path from your skin through the wrist strap ground cord. The ESD Wrist Strap Tester will display the resistance value by lighting up the LO, OK or HI indicators and sounding audible indicators.


  • Cordless, portable operation
  • Instantly perform tests on anti-static wrist straps
  • Easy testing - simply insert wrist strap and push button
  • Includes visual, audio and low battery indicators


Resistance Value - ±5%
  • 800k Ohm and below
    • LED Display: LO (red)
    • Indicator Status: Yes
  • 800k Ohm to 10M Ohm
    • LED Display: OK (green)
    • Indicator Status: ON
  • 10M Ohm and above
    • LED Display: HI (yellow)
    • Indicator Status: YES
Operating Temperature 50°F to 104°F (10°C to 40°C)
Storage Temperature 5°F to 140°F (-15°C to 60°C)
Relative Humidity 0% to 90%
Accuracy ±5%
Net Weight 5.2 oz (145g)
Operating Voltage >/= 6.5 volts
Dimensions 3.54 in.x 2.8 in. x 1.1 in.
Power Supply 9 V battery or 100ma power adapter with 5.5 mm barrel plug and + center - Power Supply Not Included
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Accessories and spare parts

 Warning: this product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov/product