Product specifications:
- Fully enclosed sealing ring, thick fully enclosed sealing ring, dustproof and waterproof, long-lasting and durable
- Screw knob wiring, convenient and convenient, unscrew the spiral twist counterclockwise when wiring and insert the test rod joint
- The handle is very labor-saving to shake, with solid gears and twill design, interlocking, labor-saving and non-stuck
Product name: Ground resistance tester
Range: 0-1000
Minimum division value: 10
Accuracy: 5%
Rated speed of crank handle: 150r/min
Voltage test: 500V
Oblique shadow: When the instrument is tilted 5° in any direction, the change in its indicated value does not exceed 50% of the accuracy
External magnetic scene: When the external magnetic field strength is 0.4kA/m, the change in the instrument indicated value does not exceed 100% of the accuracy
Insulation resistance: not less than 30M at normal temperature and humidity
Insulation strength: The insulation between the line and the casing can withstand a 50Hz sinusoidal AC voltage of 1kv for 1min
Weight: about 3kg
Package includes:
Host*1