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becoming a continuous tone above 200ppm
100mm (4 inch) Dial
Auto power off and a recessed on button ensure a long battery lifetime and the NC4 functionality also includes low battery indication
NEDA 1604A) Battery life 40 hours approx
Martindale PD240 240V DC Proving Unit Calibration Certificate:Yes Calibration Certificate Required (+£15.00) becoming a continuous tone aboveMartindale PD240 240V DC Proving Unit Safely and simply proves the operation of multimeters and voltage testers 240V DC output proving unit Compact size with belt clip Essential for implementing effective safe isolation Description This is a convenient pocket sized, battery powered proving device that produces a 240V DC output. Any device used for voltage detection and for proving dead should be tested before and after use to ensure the safety of the
