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Periodic Verification Tester CM420PV

Periodic verification tester CM420PV
Periodic Verification Tester CM420PV
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Periodically Verifies the Calibration of Triple Constant Monitor CM420

The CM420 triple constant monitor is designed to be adjustment free. Annual calibration is not necessary. However, if an ESD quality program requires periodic testing of the constant monitor, then the NIST calibrated Periodic Verification Tester CM420PV can be used to simulate functional and non-functional wrist straps to verify that the constant monitor is functioning properly. The CM420PV Periodic Verification Tester is specifically designed to verify that the CM420 Triple Constant Ground Monitors are in calibration and in proper working order.

CM420PV Specifications

  • dimensions: 1" x 4" x 2.4"
  • all test leads on the instrument pictured above are actually 6 ft. long
  • NIST calibrated periodic verification tester CM420PV (designed specifically for CM420 constant monitors)
  • the CM420 triple constant ground fault monitor is sold separately


PDF icon CM420PV periodic verification tester manual (154 KB)



Periodic Verification Tester CM420PV is economically priced at:

Quantity 1 to 9 $ 76.95
Quantity 10 or more $ 69.50

Quantity Periodic Verification Tester CM420PV

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Last modified: March 20, 2018

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