Wiring diagram of the test quantity device
(1) Insulating board (2) test piece (3) current electrode (4) potential electrode (5) voltmeter (6) ammeter
It is applicable to measure the volume resistivity of rubber and plastic semiconductive materials used in wires and cables, and complies with the test method of GB/T3048.3 "Volume Resistivity of Semiconductive Rubber and Plastic Materials"
Dc power supply: Adjustable voltage from 0 to 5000V
Ammeter: 0-20mA
Current electrode: 20mmx70mm
Voltage electrode: Φ1.0mm
Electric anode measurement range: 0~10°2
The pressure of the potential electrode along the width of the test piece: 65N/M
Insulating board size: 80mmx180mm