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Kewtech KEW4200 Digital Earth Resistance Clamp Meter
Use this True RMS digital clamp meter to carry out earth resistance testing procedures without the need to use auxiliary earth spikes.
Capable of measuring earth resistance levels between a range of 0.05 and 1200Ω with high accuracy, it can also be used to gain a reading of AC current levels. The KEW4200 includes large jaws which are designed for clamping directly onto a targeted testing application.
With built in noise checking, the KEW4200 is able to filter out noise problems and maintain accurate results. These results are also able to be stored directly on the tester (it features memory for 100 readings) and other additional features unique to this earth resistance clamp meter include a buzzer function, data hold and a backlit screen.
Kewtech KEW4200 Digital Earth Resistance Clamp Meter Key Features
- True RMS clamp meter
- Measures earth resistance level without using auxiliary earth spikes
- Measurement range of 0.05 to 1200Ω
- Noise check facility
- Memory function stores up to 100 test records
- Buzzer function
- Data hold
- Backlit LCD screen
- Includes resistor for operation check
- Compliant with IEC 61010-1 and CAT IV 300V
Full List of Products Included
- Kewtech KEW4200 Digital Earth Resistance Clamp Meter
- Resistor for Operation Check
- Hard Carry Case
- Certificate of Conformity
- Batteries
- Instruction Manual
Kewtech KEW4200 Technical Specifications
| Function | Range | Resolution | Measuring Range | Accuracy |
| Earth resistance | 20Ω | 0.01Ω* | 0.00 ~ 20.00( Ω) | ±1.5% ±0.05 Ω |
| Auto Range | 200Ω | 0.1(Ω) | 16.0 ~ 99.9( Ω) 100.0 ~ 209.9( Ω) |
±2% ±0.05 Ω ±3% ±2 Ω |
| Auto Range | 1200Ω | 1(Ω | 160 ~ 399( Ω) 400 ~ 599( Ω) |
±5% ±5 Ω ±10% ±10 Ω |
| Auto Range | 1200Ω | 10(Ω) | 600 ~ 1260( Ω) | |
| AC Current | 100mA | 0.1(mA) | 0.0 ~ 104.9(mA) | ±2% ±0.7 Ω |
| [50Hz/60Hz] | 1000mA | 1(mA) | 90 ~ 1049(mA) | |
| Auto Range | 10A | 0.01(A) | 0.80 ~ 10.49(A) | ±2% |
| 30A | 0.1(A) | 8.0 ~ 31.5(A) | ||
| Operating System |
Earth resistance function: Constant voltage injection Current detection (Frequency: approx 2400Hz) Dual Integration AC current function: Successive Approximation |
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| Over-range indication |
“OL” is displayed when input exceeds the upper limit of a measuring range. | |||
| Response time | Approx. 7 seconds (Earth resistance) Approx 2 seconds (AC current) | |||
| Sample rate | Approx. 1 times per second | |||
| Power source | DC6VL R6P (size AA manganese battery) x4 or LR6 (size AA alkaline battery) x4 |
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| Current consumption |
Approx 12 hours (when R6P is used) Approx 24 hours (when LR6 is used) |
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| Auto power-off | Turns power off about 10 minutes after the last button operation. | |||
| Reading Type | TRMS Ohms range uses rolling average | |||
| Applicable Standards |
IEC 61010-1: “001 (CAT.IV 300V Pollution degree 2) | |||
| Withstand voltage |
AC5320Vrms / 5 seconds Between the transformer jaws fitted parts and case enclosure (except for jaws) |
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| Conductor Size | Approx. 32mm | |||
| Dimensions | 246(L) x 120(W) x 54(D)mm | |||
| Weight | Approx. 780g (including batteries) |
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Additional Information
| SKU | KEWET3 |
|---|---|
| Manufacturer Part Code | KEW4200 |
