Insulation/Continuity Tester Proving Unit



Proving Unit

PU250 Insulation/Continuity Tester Proving Unit

The PU250 allows simple and quick check of insulation resistance and continuity for all makes of I/R testers.

Regular checks outside of the formal calibration process are required for compliance with BS7671 and Part P.

Proving unit to enable compliance to the requirement to maintain records of regular checks on the measurement characteristics and accuracy of test instruments.

Di-LOG is a part of the Di-LOG group, for more information click the link to view our group divisions.


Insulation resistance 0.5 – 50 Ω
Continuity0.5 – 10 Ω
Max input voltage1000 V DC
Dimensions115 x 78 x 40 mm
Weight150 g