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becoming a continuous tone above 200ppm
The auto mode sets the sensitivity to ignore weaker signals which can be caused by coupling between circuits ensuring easy detection in a wide range of installations
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
0% rdg + 5 dgt on 600Ω to 600kΩ Temperature -50°C to 1300°C (-58°F to 2372°F) K-type probes Continuity buzz at <40Ω Maximum conductor 55mm diameter or 70mm x 18mm bus bar Features Diode test
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
