| SẢN PHẨM MỚI |
| TRA CỨU THEO NHÃN HIỆU -> HIOKI - ĐỒNG HỒ ĐO CÁC LOẠI -> ĐỒNG HỒ ĐO ĐIỆN TRỞ HIOKI |
| Đồng hồ đo điện trở đất HIOKI 3143 |
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ĐỒNG HỒ ĐO ĐIỆN TRỞ ĐẤT
(Earth hi-tester 3143)
Model: 3143
Nhãn hiệu : HIOKI
Xuất xứ: JAPAN |
Thông số kỹ thuật:
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Ground resistance
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20.0 to 49.9 ohm (±10 % rdg.), 50.0 to 500.0 ohm (±5 % rdg.)
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Principle of operation
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Voltage comparison method (Measurement of voltage at loop impedance serial resonance)
Open circuit voltage: 0.9 V ACpeak typ. Testing current: 3.6 mA AC max. with terminals shorted, Testing frequency: 100 kHz to 1.5 MHz
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Features
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Energy saving mode, Resonance indicator, Battery check
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Power consumption
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LR6(AA) alkaline batteries × 4, Continuous use: 8 hours
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Dimensions and mass
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155 (6.10in) W × 98 (3.86in) H × 49 (1.93in) D mm, 380g (13.4oz)
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Supplied accessories
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MEASUREMENT CABLE 9265 (black 1 m (3.28 ft), red 20 m (65.62 ft), one each; CABLE WINDER × 1), LR6(AA) alkaline batteries × 4, CARRYING CASE 9338 × 1
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