Products > Zero Charge > ESD Testers and Monitoring Systems > AR-7 - Wrist Strap Tester

Zero Charge™ AR-7 - Wrist Strap Tester
AR-7 Wrist Strap Tester
  • Built in SMT technology for reliability.
  • Microprocessor controlled for accuracy.
  • Dependable and simple.
  • Pass tone is easy to hear.
  • Visual indicators show pass, low or high fail.

The wrist strap tester system was created to fill a growing demand for a dependable, easy-to-use test mechanism for personnel grounding devices. It is available as a 750-kohm to 10-Mohm tester (U.S. standard) and 750-kohm to 35-Mohm tester (European standard).

Model operates on a 9-volt battery. Low battery indicator illuminates red when battery voltage is too low for accurate measurement. Connections include 4 mm press stud, banana socket and 6 mm stud for coil cord clip connection. The tester dimensions are 3.75" x 2.5" x 1" and weight is 4.5 ounces including battery.

System includes
  • Wrist strap tester, manual and 9V battery
Technical specifications
Part Number
AR-7A (U.S.A. Parameters) AR-7E (European Parameters)
Pass Level 750 kohm-10 Mohm;
green light and audible tone
750 kohm-35 Mohm;
green light and audible tone
Low Fail < 750 kohm;
yellow light no tone
< 750 kohm;
yellow light no tone
High Fail > 10 Mohm;
red light no tone
> 35 Mohm;
red light no tone
Dimensions 3.75" x 2.5" x 1" (95 x 63 x 25 mm)
Weight 4.5 oz 127g
  • 4 mm banana plug
  • 4 mm snap
  • Crocodile clip
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