The ACL 781 Combo Tester indicates the resistance of wrist straps and heel grounders with a "high", "low" or "pass" signal.
FEATURES:

• Simultaneous testing for wrist and feet
• Adjustable limits from 500k and 750k for low setting and 2M to 100M ohms high setting
• Optional circuit relay for security doors
• Includes calibration certificate traceable to NIST