1120ER Earth Resistance Meter

- Earth Resistance Ranges: 0-20Ω / 0-200Ω / 0-2000Ω.
- Earth Voltage Range: 0-200V AC (40-500Hz).
Accuracy:
- Earth resistance: ±(2%rdg+2dgt) or ±0.1Ω, whichever is greater.
- Earth voltage: ±(1%rdg+2dgt).
- Resolution:
- 0-20Ω: 0.01Ω.
- 0-200Ω: 0.1Ω.
- 0-2000Ω: 1Ω.
- Measuring System: Earth resistance by constant current inverter (820Hz, 2mA approx.).
- Display: 3½ digit (2000 counts).
- Power Source: 1.5V (AA) × 6.
- Safety Standards: EN 61010-1 CAT III 200V, IEC 61557-1, IEC 61557-5, EN 61326-1.
- Accessories: Test leads (red-15m, yellow-10m, green-5m), auxiliary earth spikes, carrying case, batteries.