Metrahit 27i
Precision Insulation Resistance Tester
Model Number: M227B
The Metrahit 27i is a portable high Precision Milliohmmeter with a wide resistance measuring range offering a basic accuracy of 0.25% and a max resolution of 0.001mΩ suitable for checking low contact resistance/switchgear connections. Combined with an Insulation Resistance Test at 50V, 100V, 250V & 500V.
What we like:
No other instrument offers both a 4 wire Precision Milliohmmeter and an Insulation Resistance Tester in a single portable unit!