KYORITSU 4202 Earth Clamp Tester
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Spesifikasi KYORITSU 4202 Earth Clamp Tester
KYORITSU 4202 Earth Clamp Tester
Various useful functions are available on Android devices using Bluetooth communication
Free Android software “KEW smart 4202” is available on “Google Play Store” <System requirement>
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(*) Please search “KEW Smart” in Google Play Store. Communication charge may be incurred separately to download application.
- Real time measurements can be transferred, shown and saved on Android device (up to 100 measurements)
- Saved data includes measurement, GPS location and date & time. Easy to check on map “When” and “Where” the measurement was made
- Comparator function on Android device informs when the measured value is lower/higher than the preset value
Earth /Ground resistance and Leakage current measurement functions
- The earth resistance from 0.05 to 1500 Ω can be measured without the auxiliary earth spikes in multi-earthing systems
- True RMS leakage or phase current readings from 0.1mA to 30.0A provides vital additional information in earthing networks
- Filter function offers increased immunity to electrical noise and a Noise mark appears in excessively high noisy environments
Function |
Range |
Resolution |
Measuring Range |
Accuracy |
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Earth resistance Auto range |
20Ω | 0.01Ω (*) | 0.00~20.99Ω | |±1.5%±0.05Ω | ||||||||
200Ω | 0.1Ω | 16.0~99.9Ω | |±2%±0.5Ω | |||||||||
100.0~209.9Ω | |±3%±2Ω | |||||||||||
1500Ω | 1Ω | 160~399Ω | |±5%±5Ω | |||||||||
400~599Ω | |±10%±10Ω | |||||||||||
10Ω | 600~1580Ω |
— |
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AC current (50Hz/60Hz) Auto range |
100mA | 0.1mA | 0.0~104.9mA | |±2%±0.7mA | ||||||||
1000mA | 1mA | 80~1049mA | |±2% | |||||||||
10A | 0.01A | 0.80~10.49A | ||||||||||
30A | 0.1A | 8.0~31.5A | ||||||||||
Operating indication |
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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) |
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Sample rate | Approx. 1 time per second | |||||||||||
Power source | LR6/R6 (AA) (1.5V) × 4 | |||||||||||
Current consumption | Approx. 90mA (max. 140mA) | |||||||||||
Measurement time | Approx. 21 hours (when LR6 is used) Approx. 5 hours (when R6 is used) |
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Auto power-off | Turns power off about 10 minutes after the last button operation | |||||||||||
Applicable standards | IEC 61010-1 CAT.IV 300V Pollution degree 2 IEC 61010-2-032, IEC 61326-2-2 (EMC) |
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Withstand voltage | AC 5320Vrms/5 seconds Between the Transformer jaws fitted parts and case enclosure (except for jaws) |
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Conductor size | Approx. φ32mm | |||||||||||
Dimension | 246 (L)×120 (W)×54 (D) mm | |||||||||||
Weight | Approx. 780g (including batteries) | |||||||||||
Accessories | 8304 (Resistors for operation check) 9167 (Carrying case [Hard]) LR6 (AA) × 4, Instruction manual |
• Crest factor < 3 (50Hz / 60Hz, peak value shall not exceed 60A)
(*) 4 counts or less are corrected to 0.
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