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Earth & Insulation Tester, Industrial Meter, Sew
SEW ST-1520 Digital Earth Resistance Tester
₨48,000.00
The latest SEW ST-1520 Digital Earth Resistance Tester price in Pakistan is Rs. 48,000/- updated on August 30, 2026.
FEATURES:
- Capable of measuring earth resistance and earth voltage.
- 2 mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test.
- Auto power off function.
- The timer operates automatically for about three to five minutes when the ‘PUSH BUTTON SWITCH’ and ‘TIMER ON BUTTON’ are pressed together. This will keep test ‘ON’ for the duration of the timer.
- Timer for test function (count 3-5 minutes).
- Battery operated.
- Data hold function.
- Small and light weight.
- Calibration performed with supplied test leads.
Summary
| Low battery indication | ” B “symbol appears on the display |
| Accuracy | Earth resistance ±(2%rdg+2dgt) or ±0.1Ω, which is greater Earth voltage ±(1%rdg+2dgt) |
| Measuring range | Earth resistance 0-20Ω / 0-200Ω / 0-2000Ω Earth voltage 0-200 Vac (40-500Hz) |
| Weight | Approx. 480g |
| Measuring Current | Earth Resistance by constant current inverter 820Hz approx. 2mA. |
| Output Voltage on Open Circuit | LED will be unlit |
| Power Source | 1.5V (AA) × 6 |
HARDWARE FEATURES
| Data hold indication | ” DH “symbol appears on the display |
| Earth resistance resolution | 0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2000Ω : 1Ω |
| Over range indication | “1”(MSD) |
TECHNICAL SPECIFICATION
| Display | 3½ digit (2000 counts) |
General Specification
| Dimensions | 163(L) × 100(W) × 50(D)mm |
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