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0V Accuracy ± 1% ± 3 dgt Voltage DC 60
Long battery life - over 1500 tests
Open jaw tester
Martindale AV90 Vane Anemometer with External Probe
Martindale PD440S 440V AC Proving Unit 100mm 0V Accuracy ± 1% ±Martindale 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
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