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SEW Earth Tester 4235ER
Specifications
| Country of Origin | Taiwan |
|---|---|
| Package Contents | SEW 4235 ER Earth Resistivity Tester/Instruction manual/Test leads (red-15m black-10m yellow-10m green-5m)/Auxiliary earth spikes/Carry case/Shoulder belt/Batteries |
| Accuracy | Earth Resistance 0-20Ω ±(2%rdg+0.1Ω) 0-200Ω 0-2kΩ ±(2%rdg+3dgt)/Earth Voltage ±(2%rdg+3dgt) |
| Power Source | 1.5V (AA)x8 |
| Brand | SEW |
| Dimensions | 250x190x110 mm |
| Model | SEW 4235 ER |
| Safety Standards | EN 61010-1 CAT IV 300V IEC 61557-1 IEC 61557-5 EN 61326-1 |
| Measuring ranges | Earth Resistance 0-20Ω | 0-200Ω | 0-2kΩ/Earth Voltage 0-300.0V AC/Earth Resistivity (ρequal to2×π×L×R) 0.06~6.28kΩ.m 0.62~62.8kΩ.m 6.28~628kΩ.m |
| Measuring System | Earth resistance by constant current inverter 820Hz approx.2mA |
| Weight (Battery Included) | Approx.1500 g |
| Earth Resistance Resolution | 0-20Ω 0.01Ω 0-200Ω 0.1Ω 0-2kΩ 1Ω |
| Temperature & Humidity | Operating 0°C~40°C ≤80% R.H./Storage -10°C~50°C ≤80% R.H. |
Key Features
- 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.
Product Description
The SEW 4235ER is a dependable and portable Earth Tester built to measure ground resistance and earth voltage with great precision. It supports both two-wire and three-wire methods and includes all necessary accessories such as test leads and earth spikes. With a rugged casing and large analog display, it is optimized for tough environments like substations, telecom towers, and industrial plants. Whether for commissioning or routine maintenance, this tester ensures the grounding system performs optimally, protecting personnel and equipment from fault currents and lightning surges.
Available on EnvMart, these Resistance Meters are ideal for measuring electrical resistance with high accuracy. SEW Resistance Meters offer precision and reliability, making them perfect for industrial, laboratory, and electrical testing applications.
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Frequently Asked Questions
The SEW Earth Tester 4235ER measures earth resistance in three ranges: 0-20Ω, 0-200Ω, and 0-2kΩ, as well as earth voltage up to 300.0V AC.
The accuracy for earth resistance is ±(2%rdg+0.1Ω) for 0-20Ω, ±(2%rdg+3dgt) for 0-200Ω and 0-2kΩ. For earth voltage, the accuracy is ±(2%rdg+3dgt).
The SEW Earth Tester 4235ER is powered by eight 1.5V AA batteries.
The dimensions of the SEW Earth Tester 4235ER are 250x190x110 mm, and it weighs approximately 1500 g with the battery included.
The SEW Earth Tester 4235ER complies with safety standards EN 61010-1 CAT IV 300V, IEC 61557-1, IEC 61557-5, and EN 61326-1.
The operating temperature range for the SEW Earth Tester 4235ER is 0°C to 40°C with a humidity level of ≤80% R.H. Storage conditions are -10°C to 50°C at ≤80% R.H.
The SEW Earth Tester 4235ER supports two-wire, three-wire, and four-wire testing methods for measuring earth resistance and voltage.
The package includes the SEW 4235 ER Earth Resistivity Tester, an instruction manual, test leads (red-15m, black-10m, yellow-10m, green-5m), auxiliary earth spikes, a carry case, a shoulder belt, and batteries.
The SEW Earth Tester 4235ER measures earth resistance using a constant current inverter operating at approximately 820Hz and 2mA.
The resolution for earth resistance measurements is 0.01Ω for 0-20Ω, 0.1Ω for 0-200Ω, and 1Ω for 0-2kΩ.
The SEW Earth Tester 4235ER measures earth resistivity (ρ) in three ranges: 0.06~6.28kΩ.m, 0.62~62.8kΩ.m, and 6.28~628kΩ.m.
The SEW Earth Tester 4235ER is manufactured in Taiwan.
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