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4236 ER

FEATURES ● Microprocessor-controlled. ● Earth resistivity (ρ) test. ● Earth testing at 20Ω, 200Ω, 2000Ω. ● Earth voltage measuring : 0-300.0V AC. ● Automatic C spike check. ● Automatic P spike check. ● 2-Wire test, 3-Wire test, 4-Wire test. ● LCM display. ● Auto ranging. ● Auto power OFF. ● Data hold. ● 200 measurement results can be saved in the memory    and recalled on the display. ● Interval between auxiliary earth spikes is 1.0~50.0m. ● Optical USB to RS-232 data transmission. ● The stored data can be transferred to a PC. ● 2 optical LEDs are built-in for data transfer.   SPECIFICATIONS Measuring ranges : Earth Resistance     0-20Ω / 0-200Ω / 0-2000Ω     Earth Voltage     0-300.0V AC     Earth Resistivity (ρ=2 × π × L × R)     0.06~6.28kΩ.m     0.62~62.8kΩ.m     6.28~628kΩ.m Accuracy : Earth Resistance ±2%rdg ± 3dgt     Earth Voltage ±2%rdg ± 3dgt Earth resistance     resolution : 0-20Ω : 0.01Ω     0-200Ω : 0.1Ω     0-2000Ω : 1Ω Measuring system : Earth resistance by constant current     Inverter 820Hz approx. 2mA Temperature & humidity : Operating : 0°C~40°C ≤80% R. H.     Storage : -10°C~50°C ≤80% R. H. Dimensions : 250(L) x 190(W) x 110(D)mm Weight     (battery included) : Approx. 1430g Power source : 1.5V (AA) x 8 Safety standards : EN 61010-1   CAT IV 300V     EN 61557-1   EN 61557-5     EN 61326-1