Clamp-on AC current probe Model B102
电流Current | 4 A AC | 200 A AC |
| 输出Ouput | 1 mV/mA | 1 mV/A |
B102型可测量低至500μA的泄漏或差动电流，可与交流mV输入的万用表配合使用。
B102夹钳测量接地回路电流、泄漏电流，可用于检测接地单相或三相网络的故障。
在三相系统上工作时，使用可用的人工中性点。
电气参数Electrical specifications
4 A Range
电流范围Current range::
500 μA...4 A AC
输出信号Output signal::
1 mV/mA (4 V max)
精度Accuracy (1):
电流值Primary current | ≤ 10 mA | 100 mA | 4 A |
| 输出信号精度 % Accuracy ofoutput signal | ≤ 3% + 1 mA | ≤ 0.5% + 0.5 mV | ≤ 0.5% + 0.5 mV |
| 偏差 Phase shift | not specified | ≤ 15° | ≤ 10° |
负载阻抗 Load impedance:
1 MΩ min
200 A Range
电流范围Current range::
500 mA...200 A AC
输出信号Output signal::
1 mV/A (400 V max)
精度Accuracy (1):
电流值Primary current | ≤ 10 A | 200 A | 400 A |
| 输出信号精度 % Accuracy ofoutput signal | ≤ 0.5% + 0.5 mA | ≤ 0.35% + 0.5 mV | ≤ 0.35% + 1 mV |
| 偏差 Phase shift | not specified | ≤ 1° | ≤ 0.7° |
负载阻抗 Load impedance:
≥ 10 MΩ et ≤ 100 pF
频率范围 Frequency range:
30 Hz...1 kHz limited frequency for currents from 100 A at 1 kHz
过载能力 Overload:
Between 200 A and 400 A, the max.measurement time is 5 min’s with 20 minutes rest, at 25°C max
机械参数Mechanical specifications
开口尺寸 jaw opening:
100 mm
大夹持能力Insertion capacity:
100 mm
防护等级Casing protection:
IP20(IEC529 )
跌落测试 Drop test:
1.5 m (IEC 68-2-32)
冲击保护Shock protection:
100 g (IEC 68-2-27)
抗振性Vibration resistance(3):
10/55/10 Hz, 0.15 mm (IEC 68-2-6)
阻燃能力Self-extinguishing capability:
Casing: UL94 V0
Jaws: UL94 V2
尺寸Dimensions: 31.1 x 15 x 4.1 cm
重量Weight: approx.2kg
颜色Colours: 深灰色壳体和红外钳口 Dark grey case with red jaws
输出Output:
1.5米长双重绝缘线，终端是 Ø 4 mm绝缘双香蕉插头。
1.5 m insulated or reinforced lead with 2 safety banana plugs (4 mm)
安全规范Safety specifications
电气安全Electrical safety:
Dielectric test:
2 kV AC
仪器在主导体、附属层、外壳间采用双重绝缘，遵循以下标准
Double or reinforced insulation between the primary and secondary circuits and the outer casing in accordance with IEC 1010- 2-032.
- 30 V category III, pollution degree 2
! For conductors exceeding 30 V in relation to the earth, only use the clamp if the conductors are insulated.
(1) Reference Conditions : 23°C ± 3°K, 20 to 75% RH, 48 to 65 Hz, measurement apparatus impedance> 10 MΩ/100 pF, no DC current in the conductor sample, test sample centred in clamp’s jaws.
