Sew 4236 ER 4 Wire Earth Resistance & Resistivity Testers

Measuring ranges
Earth Resistance: 0-20Ω / 0-200Ω / 0-2kΩ
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
0-2kΩ : 1Ω
Measuring system: Earth resistance by constant current Inverter 820Hz approx. 2mA
Optical USB to RS-232 data transmission. •
The stored data can be transferred to a PC.
Dimensions: 250(L) x 190(W) x 110(D)mm
Weight: 1430g
Power source : 1.5V (AA) × 8
Accessories: Test leads (red-15m, black-10m, yellow-10m green-5m), Auxiliary earth spike × 4, Instruction manual, Shoulder belt, Carrying case, Batteries, Data transmission cable CA-232
Compact disk (CD) for PC interface

Datasheet