EFO PU400 50-690v AC Proving Unit *BRAND NEW*
Description from the website is below.
The PU400 Proving Unit provides 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 Working Practice for electricians. Additionally they have the capability of checking the operation of Non-Contact voltage detectors.
The PU400 is a battery powered proving unit and incorporated is a unique and logical safety function - the test voltage generated is at 50Hz to synthesize a genuine test at AC mains supply frequency – so it will always read correct using the AC range of your Tester or Multimeter.
- Date Listed:05/11/2019
- Last Edited:15/02/2020
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