📄 Thông số kỹ thuật Ampe kìm đo điện trở đất Kyoritsu 4200
| Earth resistance (Auto-ranging) | 20.00/200.0/1500Ω ±1.5%±0.05Ω(0.00 to 20.99Ω)*1 ±2%±0.5Ω(16.0 to 99.9Ω) ±3%±2Ω(100.0 to 209.9Ω) ±5%±5Ω(160 to 399Ω) ±10%±10Ω(400 to 599Ω) Values are displayed, but accuracy isn't guaranted(600 to 1580Ω) |
|---|---|
| AC current (50/60Hz) (Auto-ranging) |
100.0/1000mA/10.00/30.0A ±2%±0.7mA(0.0 to 104.9mA) ±2%(80mA to 31.5A) |
| Operating indication | Earth resistance function : Constant voltage injection Current detection (Frequency : Approx.2400Hz) Dual Integration AC current function : Successive approximation |
| 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 |
| Current consumption | Approx. 50mA (max.100mA) |
| Measurement time | Approx.12 hours (when R6 is used) Approx.24 hours (when LR6 is used) |
| Auto power off | Turns power off about 10 minutes after the last button operation. |
| Conductor size | Approx. Ø32mm |
| Applicable standards | IEC 61010-1 CAT Ⅳ 300V Pollution degree2 IEC 61010-2-032, IEC 61326 (EMC) |
| Power source | LR6/R6 (AA)(1.5V) x 4 |
| Dimension | 246(L)×120(W)×54(D)mm |
| Weight | Approx. 780g (including batteries) |
| Accessories | 8304 (Resister for operation check) 9166 (Carrying case[Hard]) R6 x 4, Instruction manual |
* Crest factor ≦ 2.5 (50/60Hz, peak value shall not exceed 60A)
*1 4 counts or less are corrected to 0.
