SEW 1120ER Earth Resistance Tester
Features
1. Capable of measuring earth resistance and earth voltage.
2. 2mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test.
3. The leads are supplied as standard accessories for simplified two-wire measuring system.
4. 0Ω adjustment.
5. Battery operated.
6. Data hold function.
7. Low battery indication.
8. Calibration performed with supplied test leads.

Specifications
Measuring ranges :
Earth resistance : 0-20Ω / 0-200Ω / 0-2000Ω
Earth voltage : 0-200 Vac(40-500Hz)
Accuracy :
Earth resistance ±(2%rdg+2dgt) or ±0.1Ω, which is greater
Earth voltage ±(1%rdg+2dgt)
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
Display : 3½ digit (2000 counts)
0Ω adjustment : ˇ
Open circuit indication : LED will be unlit
Low battery indication : “ “symbol appears on the display
Data hold indication : “ “symbol appears on the display
Over range indication : “1”(MSD)
Dimensions : 175(L) × 85(W) × 75(D)mm
Weight (battery included) : Approx. 600g
Power source : 1.5V (AA) × 8
Safety standards
IEC/EN 61010-1 CAT III 200V
IEC 61557-1 IEC 61557-5
EN 61326-1

Hubungi Buana Survey 081333102011
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