Testing Equipment

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WRISTSTRAP TESTER

Actuation By gently pressing metal sensor plate
Accuracy ± 10%
Power requirement 9 V DC battery
Low Battery Warning less than 7 volts
Dimensions 125 x 75 x 29 mm
Weight 200 grams
Calibration Recommended every 12 months
Traceability To national standards
Warranty 12 months

Wrist straps and ESD footwears are the first lines of defence against electrostatic charge build up on the human body. They are designed to carry away this charge as soon as it is generated. At the same time, the wrist strap/footwear must remain electrically safe for the user. Thus, it is important to test every wrist strap/footwear regularly.
In order to protect sensitive electronic components, the maximum wrist strap resistance should not be more than 10 meg ohms and footwear resistance should not be more than 35 Mega ohms. On the other hand, the resistance should not be less than 0.75 Mohm as protection to the wearer from dangerous levels of voltage and current flow. The wrist strap and the footwear tester checks these parameters under actual operating conditions with the strap on the wrist or footwear to the foot. It clearly indicates whether or not the wrist strap/footwear system is safe to use.

Pass Range	Wrist strap 0.75 to 10.0 meg ohm. Footwear 0.75 to 35.0 meg ohm.
Range selection	by Slide Switch 10 meg ohms - Wrist Strap 35 meg ohms - ESD Footwear / Heel & Toe strap.
Indications	Pass - GREEN LED Fail - RED LEDS Audible Alarm for Fail mode.
Actuation	By gently pressing metal sensor plate
Accuracy	± 10%
Power requirement	9 V DC battery
Low Battery	Warning less than 7 volts
Dimensions	125 x 75 x 29 mm
Weight	200 grams
Calibration	Recommended every 12 months
Traceability	To national standards
Warranty	12 months