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inH2O Range (Resolution):±2768 (2)
terminal 0-220V =170-260V
148mm×76mm×26mm (L*W*H)
model number: AT4204
An automatic interpretation of the crack width
ETCR3000B Earth Resistance Soil Resistivity Tester Earth Voltage AC Voltage Tester 2/3/4 Wires Earth Tester 0-600V 0-30.00kΩ Temperature Calibrators inH2O Range (Resolution):±2768 (2)Brand: Graigar Color: Gray Features: ETCR3000B Earth Resistance Soil Resistivity Tester is specially designed and manufactured for measuring earth resistance, soil resistivity, earth voltage, AC voltage. Adopting the latest digital and micro processing technology, precise 4 pole, 3 pole and simple 2 pole method for earth resistance measurement, importing FFT and AFC technology, with a unique function of anti interference capability and the ability to
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