SEW 1120 ER 3-Wire Earth Resistance Tester
Spesifikasi SEW 1120 ER 3-Wire Earth Resistance Tester
SEW 1120 ER 3-Wire Earth Resistance Tester
Contents :
1. Instruction manual
2. Test leads (red 15 m, yellow 10 m, green 5 m)
3. Auxiliary earth spikes
4. Simplified measurement probe
5. Soft pouch
6. Shoulder belt
7. Batteries
Specifications :
1. Measuring range earth resistance 0 - 20 Ω / 0 - 200 Ω / 0 - 2000 Ω
2. Measuring range earth voltage 0 - 200 Vac (40 - 500 Hz)
3. Accuracy earth resistance ± (2% rdg + 2 dgt) or ± 0.1 Ω, which is greater
4. Accuracy earth voltage ± (1% rdg + 2 dgt)
5. Earth resistance resolution 0 - 20 Ω : 0.01 Ω
6. Earth resistance resolution 0 - 200 Ω : 0.1 Ω
7. Earth resistance resolution 0 - 2000 Ω : 1 Ω
8. Earth resistance by constant current inverter 820 Hz : 2 mA
9. Display 3 1/2 digit (2000 counts)
10. Adjustment 0 Ω
11. Open circuit indication LED will be unlit
12. Low battery indication symbol appears on the display
13. Data hold indication symbol appears on the display
14. Over range indication “1” (MSD)
15. Dimensions 175 × 85 × 75 mm
16. Weight 600 gram (battery included)
17. Power source 1.5V (AA), 8 pcs
Standards :
1. CAT III 200V
2. EN 61326-1
3. IEC/EN 61010-1
4. IEC 61557-1
5. IEC 61557-5
Features :
1. Calibration performed with supplied test leads
2. Capable of measuring earth resistance and earth voltage
3. Testing of earth resistance without tripping earth leakage current
4. The test leads are supplied as standard accessories
5. Battery operated, data hold function and low battery indication
Alat Ukur Tahanan Tanah
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