SEW 2120 ER 3-Wire Earth Resistance Tester
Spesifikasi SEW 2120 ER 3-Wire Earth Resistance Tester
SEW 2120 ER 3-Wire Earth Resistance Tester
Contents :
1. Instruction manual
2. Test leads (red 15 m, yellow 10 m, green 5 m)
3. Shoulder belt
4. Auxiliary earth spikes
5. Simplified measurement probe
6. 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. Measuring system earth resistance constant current inverter 820 Hz : 2 mA
9. Display 3 1/2 digit (2000 counts)
10. Open circuit indication LED will be unlit
11. Low battery indication symbol appears on the display
12. Data hold indication symbol appears on the display
13. Over range Indication “1” (MSD)
14. Dimensions 210 × 210 × 100 mm
15. Weight 1395 gram (battery included)
16. Power source 1.5V (AA), 8 pcs
Standards :
1. CAT II 200V
2. EN 61010-1
3. EN 61326-1
4. IEC 61557-1
5. IEC 61557-5
Features :
1. The test leads are supplied as standard accessories
2. Calibration performed with supplied test leads
3. Capable of measuring earth resistance and earth voltage
4. Testing of earth resistance without tripping earth leakage current
5. Battery operated, data hold function and low battery indication
Alat Ukur Tahanan Tanah
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