SEW ST-1520 Digital Earth Resistance Tester
- Brand
- SEW
- Model number
- ST-1520
- Category
- Earth Resistance Testers
Compact 3-wire earth resistance tester: 0.01 Ω to 2000 Ω in three ranges plus 0-200 V earth voltage, 2 mA test current that will not trip ELCBs, test timer, data hold and auto power off.
Price and availability on request
Key features
- Capable of measuring earth resistance and earth voltage
- 2mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test
- Auto power off function
- Timer keeps the test on for about 3 to 5 minutes (PUSH BUTTON and TIMER ON pressed together)
- Battery operated
- Data hold function
- Small and light weight
- Calibration performed with supplied test leads
Specifications
| Ranges / resolution | 0-20Ω (0.01Ω) / 0-200Ω (0.1Ω) / 0-2000Ω (1Ω) |
|---|---|
| Accuracy | ±(2%rdg+2dgt) or ±0.1Ω, whichever is greater |
| Measuring system | Constant current inverter 820Hz, approx. 2mA |
| Range / accuracy | 0-200 Vac (40-500Hz) / ±(1%rdg+2dgt) |
|---|
| Display | 3½ digit (2000 counts) |
|---|---|
| Indications | Open circuit LED; low battery and data hold symbols; over range "1" |
| Dimensions | 163 (L) x 100 (W) x 50 (D) mm |
| Weight | Approx. 480g (battery included) |
| Power source | 1.5V (AA) x 6 |
| Safety standard | EN 61010-1 CAT III 200V, EN 55022 |
| Standard accessories | Instruction manual; test leads (red 15m, yellow 10m, green 5m); auxiliary earth bars; carry case; batteries |
|---|
Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.