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Absolute Calibration

Shop : General Electrical Testers : Proving Units

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The PD690 proving unit produces 690V AC/DC to enable voltage indicators to be fully checked.This unit is suitable for indicators with 230V and 415 / 440V AC or DC detection ranges, such as the Martindale VI13700G.The PD690 is one of the few proving units to check indicators with ranges above 250V.
PD690Bx100