M1 Milliohm Meter®

The M1 Milliohm Meter® is a handheld ground support bonding and grounding meter. It is intended for measuring low electrical resistance where portability, safety, high precision and ease of use are demanded. It is used to ensure the regulated conformity of electrical bonding for structural and safety purposes. The M1 Milliohm Meter® is certified for intrinsic safety.


We offer a full range of M1 Milliohm Meter compatible accessories to suit your job requirements in any environment.

Rev Tach™ IV

Rev Tach IV is a hand-held optical tachometer for measurement of aircraft propeller rotation speeds. It is an “aim and read” calibration instrument, designed for the aviation professional.