Thông số kỹ thuật Máy đo điện trở đất Kyoritsu KEW 4105DLBT
| Earth resistance measurement |
20Ω | 200Ω | 2000Ω | ||||
|---|---|---|---|---|---|---|---|
| Measuring range | 0.00 to 2000 Ω | ||||||
| Display range | 0.00 to 20.99 Ω | 0.0 to 209.9 Ω | 0 to 2099 Ω | ||||
| Accuracy*1 | ±1.5%rdg±0.08 Ω*2 | ±1.5%rdg±4dgt | |||||
| Auxiliary earth resistance*3 | <10kΩ | <50kΩ | <100kΩ | ||||
| Comparator reference value | 10Ω | 100Ω | 500Ω | ||||
| Earth voltage measurement | |||||||
| Measuring range | 0 to 300 V AC (45 to 65Hz) | ±0 to ±300 V DC | |||||
| Display range | 0.0 to 314.9 V | 0.0 to ±314.9 V | |||||
| Accuracy | ±1%rdg±4dgt | ||||||
| Applicable Standards | IEC 61010-1 CAT Ⅳ 100V / CAT Ⅲ 150V / CAT Ⅱ 300V Pollution degree 3 IEC 61010-2-030, IEC 61010-031, IEC 61557-1, 5 IEC 60529 (IP67), IEC 61326-1, 2-2 |
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| Communication interface | Bluetooth®5.0 | ||||||
| Power source | LR6(AA)(1.5V) × 6 | ||||||
| Dimension | 121(L) × 188(W) × 59(D) mm (including case lid) | ||||||
| Weight | Approx. 690g (including batteries and case lid) | ||||||
| Accessories | 7127B (Simplified measurement probe) 7266 (Earth resistance test leads [red:20m, yellow:10m, green:5m/1set]) 8041 (Auxiliary earth spikes [2spikes/1set]) 9121 (Shoulder strap) LR6(AA) × 6, Instruction manual |
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| Optional Accessories | 7267 (Cable reel for Earth resistance tester [red:20m]) 7268 (Cable reel for Earth resistance tester [yellow:10m]) 7271 (Earth resistance test lead [green:5m]) 7272 (Precision measurement cord set) 8259 (Adapter for measurement terminal) 9190 (Carrying case) 9192 (Carring case for cord reels) 7269 (Earth resistance test lead (Red 20m)) 7270 (Earth resistance test lead (Yellow 10m)) |
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*1 For precision measurement, auxiliary earth resistance should be 100 Ω ±5% or less.
*2 At simplified measurement add ±0.10 Ω to the specified accuracy.
*3 Accuracy within the auxiliary earth resistance: ±5% rdg ±10 dgt.
