Proving Units

Proving Units

EFO Manufacturers a range of battery powered true AC waveform output proving units. Our proving units provide a safe and reliable means of checking the correct functioning of Multimeters and two pole voltage indicators before and after use as advised in the safe working practice for electricians. Additionally they have the capability of checking the Operation of Non-Contact voltage detectors. 

Display: List / Grid
Show:
Sort By:
PU240 Proving Unit 240VAC
PU240 Proving Unit 240V AC Product Information The PU240 Proving Unit provides a safe and..
PU400 Proving Unit 50-690V AC
PU400 Proving Unit 50-690V AC Product Information The PU400 Proving Unit provide a safe and re..