DUOYI DY4300A Digital 4-Terminal earth resistance and soil resistivity tester
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Business & Industrial / Science & Laboratory

DUOYI DY4300A Digital 4-Terminal earth resistance and soil resistivity tester

$199.00
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Features 4 pole earth resistance measurement 0 to 20.99kΩ with min. resolution 0.01Ω Auto ranging soil resistivity measurement 0 to 395.6kΩm Series interference voltage Ust(AC only) 0~30Vrms Measures frequency 400~500Hz Measureing Voltage Um optional/auto-selected 10Vrms 94Hz, 105Hz, 111Hz, 128Hz Test current maximum 10mA 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 Earth Resistance ange:  2/20/200/2000Ω/20KΩ    Resolution：0.01/0.1/1/10/100Ω Measuring Range：0~20.9 kΩ Ground resistance test methods ：Voltage drop method (Probe current and voltage testing) Precise Measurement (3-Wire),Precise Measurement (3-Wire) with Earth Test Leads This is a standard method to measure earth resistances. The measured earth resistances are free of auxiliary earth resistances but the resistances on the E terminal are contained. Precise Measurement (

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