Описание и отзывы

Характеристики

DUOYI DY4300B Ground Resistance Tester 4-Terminal Earth Ground Resistance and Soil Resistivity Tester

 

Overview

• 4 pole earth resistance measurement 0 to 209.9kΩ with min. resolution 0.001Ω
• Auto ranging soil resistivity measurement 0 to 1999kΩm
• Series interference voltage Ust(AC only) 0~50.9Vrms
• Measures frequency 400~500Hz
• Measureing Voltage Um optional/auto-selected 10Vrms 94Hz, 105Hz, 111Hz, 128Hz
• Test current maximum 80mA
• Advance filtering method based on FFT(fast fourier transform) reduces noise interference
• Compensation for residual resistance Rk
• Data Memory 1000 sets
• Conforms to CATIV 150V, CATIII 300V