DY4300A 4-Terminal Earth Resistance Tester Soil Resistivity Tester AA1.5V*8 if
208,42 €
Soil Resistivity p=2 n a Rg( 2) 0.1Ωm~1Ωm autoranging. Power AA1.5V 8. resolution 0.01Ω. Auxiliary earth resistance Rh,Rs 8% of Re+Rh+Rs. Compensation for residual resistance Rk. ±（3%rdg±5dgt ） 0.01Ω 0.1Ω 1Ω 10Ω 100Ω.
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