MZC-304
时间:2020-11-30 阅读:828
MZC-304
索引:WMGBMZC304
回路计
短路回路阻抗Z L-PE,Z L-N,Z L-L,电阻和电抗测量
短路回路阻抗Z S
范围 | 解析度 | 准确性 |
---|---|---|
0.00 ... 19.99Ω | 0.01欧 | ±(5%mv + 3位数) |
20.0至199.9Ω | 0.1Ω | ±(5%mv + 3位数) |
200 ... 1999Ω | 1Ω | ±(5%mv + 3位数) |
- 标称工作电压Un L-N / Un L-L:220/380 V,230/400 V,240/415 V,
- 电压范围180…270 V(对于Z L-PE i Z L-N)和180…460 V(dla Z L-L),
- 标称网络频率fn:50 Hz,60 Hz,
- 频率范围:45…65 Hz,
- 230 V(3 x 10 ms)时大测量电流7.6 A,400 V(3 x 10 ms)时大13.3 A,
- 借助触摸电极(Z L-PE,Z L-PE(RCD))检查PE端子连接正确性,
- 标称电压的短路电流计算
短路回路电阻RS和电抗X S
范围 | 解析度 | 准确性 |
---|---|---|
0.00 ... 19.99Ω | 0.01欧 | Z S值的±(5%mv + 5位数) |
20.0至199.9Ω | 0.1Ω | Z S值的±(5%mv + 5位数) |
计算并显示Z S <200Ω
短路回路阻抗Z L-PE RCD测量-不使断路器跳闸
短路回路阻抗Z S测量
范围 | 解析度 | 准确性 |
---|---|---|
0.00 ... 19.99Ω | 0.01欧 | ±(6%MV + 10位数字) |
20.0至199.9Ω | 0.1Ω | ±(6%MV + 5位数字) |
200 ... 1999Ω | 1Ω | ±(6%MV + 5位数字) |
- I≥n≥30mA时无RCD反应,
- 标称工作电压Un:220 V,230 V,240 V,
- 电压范围:180…270 V,
- 标称网络频率fn:50 Hz,60 Hz,
- 频率范围:45…65 Hz,
- 借助触摸电极检查PE端子连接正确性
- 标称电压的短路电流计算
短路电阻RS和电抗XS显示范围(用于ZL-PE RCD)*
范围 | 解析度 | 准确性 |
---|---|---|
0.00 ... 19.99Ω | 0.01欧 | Z S值的±(6%mv + 10位数) |
20.0至199.9Ω | 0.1Ω | Z S值的±(6%mv + 5位数) |
*针对Zs <200Ω计算并显示
Low voltage resistance measurement
Measurement of continuity of equipotential bondings and protective conductors with ±200 mA current
Range | Resolution | Accuracy |
---|---|---|
0,00...19,99 Ω | 0,01 Ω | ±(2% m.v. + 3 digits) |
20,0...199,9 Ω | 0,1 Ω | ±(2% m.v. + 3 digits) |
200...400 Ω | 1 Ω | ±(2% m.v. + 3 digits) |
- open terminals voltage: 4…9 V DC,
- output current at R<2 Ω: min 200 mA (ISC: 200...250 mA),
- test leads resistance compension,
- measurement for both current polarization
Low current resistance measurement
Range | Resolution | Accuracy |
---|---|---|
0,0...199,9 Ω | 0,1 Ω | ±(3% m.v. + 3 digits) |
200...1999 Ω | 1 Ω | ±(3% m.v. + 3 digits) |
- open terminals voltage4...9 V DC
- output current ISC< 8 mA,
- accustic signal for measured resistance < 30 Ω ± 50%,
- test leads resistance compensation.
AC voltage measurement
Range | Resolution | Accuracy |
---|---|---|
0,0 V...299,99 V | 0,1 V | ±(2% m.v. + 6 digits) |
300 V...500 V | 1 V | ±(2% m.v. + 2 digits) |
- frequency range 45...65 Hz,
- test result refreshing: twice per second
Frequency measurement
Range | Resolution | Accuracy |
---|---|---|
45,0 V...65,0 Hz | 0,1 Hz | ±(0,1% m.v. + 1 digit) |
- voltage range: 50... 500 V
Electrical safety:
- type of insulation: double, according EN 61010, 61557:2007 - 01
- measurement category: III 600 V (CAT IV 300 V)
- Protectin class acc。符合EN 60529:IP67
其他技术数据:
- 电源:电池包装(AA,4个)
- 电池性能(短路回路):至少5000次测量
额定工作条件:
- 工作温度:0 ... + 50°C
- 湿度:20-80%
- 额定电源电压:220/380 V,230/400 V,240/415 V
“ mv =测量值”