Black Star P240 Proving Unit 2mA 240V

This product will only work with test voltage indicators that have an input impedance of greater than 120kΩ. 240V Proving Unit for Neon Voltage Indicators. A handheld, battery powered proving unit able to provide a nominal 240Vdc, 2mA source to prove the integrity of neon type test voltage indicators For safety, voltage indicators should be checked for correct operation from this known voltage source before and after every use The unit is housed in a compact ABS plastic case and fitted with a belt clip for convenience An LED is used to indicate battery condition