SEW 4235 ER 4-Wire Earth Resistance / Earth Resistivity Tester
- Brand
- SEW
- Model number
- 4235 ER
- Category
- Earth Resistance Testers
IP65 earth resistance and soil resistivity tester: 2, 3 and 4-wire tests from 0.01 Ω to 2 kΩ, resistivity up to 628 kΩ.m, earth voltage to 300 V, automatic C and P spike checks and 200-result memory. Instrument only.
Price and availability on request
Key features
- Protection class: IP65 (lid closed)
- Microprocessor-controlled
- Earth resistivity (ρ) test
- Earth testing at 20Ω, 200Ω, 2kΩ
- Earth voltage measuring: 0-300V AC
- Automatic C spike check
- Automatic P spike check
- 2-wire test, 3-wire test, 4-wire test
- LCD display
- Auto ranging
- Auto power off
- Data hold
- 200 measurement results can be saved in the memory and recalled on the display
- Interval between auxiliary earth spikes is 1.0~50.0m
Specifications
| Ranges / resolution | 0-20Ω (0.01Ω) / 0-200Ω (0.1Ω) / 0-2kΩ (1Ω) |
|---|---|
| Accuracy | 0-20Ω ±(2%rdg+0.1Ω); 0-200Ω and 0-2kΩ ±(2%rdg+3dgt) |
| Measuring system | Constant current inverter 820Hz, approx. 2mA |
| Ranges (ρ = 2 × π × L × R) | 0.06~6.28kΩ.m; 0.62~62.8kΩ.m; 6.28~628kΩ.m |
|---|
| Range / accuracy | 0-300.0V AC / ±(2%rdg+3dgt) |
|---|
| Memory | 200 results |
|---|---|
| Protection | IP65 (lid closed) |
| Operating temperature | 0°C~40°C, ≤80% R.H. |
| Storage temperature | -10°C~50°C, ≤80% R.H. |
| Dimensions | 250 (L) x 190 (W) x 110 (D) mm |
| Weight | Approx. 1500g (battery included) |
| Power source | 1.5V (AA) x 8 |
| Safety standards | EN IEC 61010-1 CAT IV 300V, IEC 61557-1, IEC 61557-5, EN IEC 61326-1 |
Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.
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