Martindale PD440S 440V AC Proving Unit 100mm Loop: high test current range

Loop: high test current range of 2Ω with 0

Martindale AV90 Vane Anemometer with External Probe

resistance

Trace from one distribution board to another

Martindale PD440S 440V AC Proving Unit 100mm Loop: high test current rangeMartindale PD440 440V AC Proving Unit Safely and simply proves the operation of voltage indicators and test lamps Essential for implementing effective safe isolation procedures 440V industry leading proving unit for all low and high impedance testers Long battery life time with low battery indicator Optional in car & mains power supplies available Description The Martindale PD440 is a 440V AC proving device, designed to enable voltage indicators to be