Apply to measure equal potential bonding resistance of the building metal and resistance between electrical device and earth mats pole. And measure contact resistance of switch or socket, as well as low resistance
Measure range:0.020 Ohm~1999 Ohm, resolution:0.001 Ohm,precision:2%
Interference voltage (UST)range:0~50V(AC 45~400Hz),precision:5%
Adopt DC voltage energize and change pole to measure automatically( 4pole or 2pole)
Maximal open circuit voltage 20V,short circuit current< 250mA
Can dislodge surplus resistance of measuring wire
Can store 100( Group ) measured data
Employ instrument panel calibration technology

• Specifications PDF - 55 KiB