The only way to "fool proof" that circuits are dead before working on them.
Outputs 690V AC/DC, using just two contact points for AC and DC
Magnetic base for convenience to mount on metal panels
Makes a perfect partner to the KEW 1700 Voltage Tester
Output voltage: 230V into 15K?, 690V into 250K? Lead continuity test current: 10mA into 10? Operating conditions: -10 to 40°C, 70% RH Dimensions: W65 x H120 x D45 mm
Buy Proving Units Kewtech KewProve from ISSWWW, the leading supplier in the UK
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Proving Units
