Telescopic Voice Alert High Voltage Detector Electroscope Electric Tester 10KV

Specification:

Description:

• Used to check the high voltage line and electrical equipment whether have power frequency with acousto-optic function, used with high voltage sources such as static electricity and electrostatic machines.
• The insulating tube is telescopic, convenient and safe for measuring.
• Come with an aluminum holder case and there is any foam in the case, to protect the electroscope well.
• Electroscopes detect electric charge by the motion of a test object due to the Coulomb electrostatic force, the electric potential or voltage of an object equals its charge divided by its capacitance.