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实时接收采购订单
Possible measurements:
It allows to take the measurements of:
Additionally:
Measurement of interference voltage
Range | Resolution | Accuracy |
0...100V | 1V | ±(2% m.v + 3 digits) |
• singnalling overvoltage 24V or 40V rms
• measurement for DC and AC 45…65 Hz,
Measurement of earthing resistance (method 3- and 4-pole)
measurement range to IEC61557-5: 0,30Ω...19,9kΩ
Range | Resolution | Accuracy |
0,00...19,99Ω | 0,01Ω | ±(2% m.v. + 2 digits) |
20,0...199,9Ω | 0,1Ω | |
200...1999Ω | 1Ω | |
2,0k...9,99kΩ | 0,01kΩ | ±(5% m.v. + 4 digits) |
10,0k...19,9kΩ | 0,1kΩ |
• measurement current: under short circuit >200mA,
• voltage on open terminals: selectable <25V AC or <50V AC,
• frequency of measurement current: 125 (for networks 50Hz) or 150Hz (for 60Hz),
Measurement of continuity of equipotential bondings and protective conductors (Rcont)
measurement range to IEC61557-5: 0,24Ω...19,9kΩ
Range | Resolution | Accuracy |
0,00...19,99Ω | 0,01Ω | ±(2% m.v. + 2 digits) |
20,0...199,9Ω | 0,1Ω | |
200...1999Ω | 1Ω | |
2,0k...9,99kΩ | 0,01kΩ | ±(5% m.v. + 2 digits) |
10,0k...19,9kΩ | 0,1kΩ |
•voltage on open terminals: <24Vrms but >4Vrms,
• measurement current: under short circuit >200mA,
• frequency of measurement current: 125 (for networks 50Hz)
or 150Hz (for networks 60Hz), possible choice of measurement frequency in menu,
• auto-zero function measurement leads
Measurement of resistance of auxiliary electrodes RH and RS
Range | Resolution | Accuracy |
0...999Ω | 1Ω | ±(5% (RS+RE+RH) + 8 digits) |
1,00k...9,99kΩ | 0,01kΩ | |
10,0k...19,9kΩ | 0,1kΩ |
Measurement of multiple earthing resistance with using the clamp and auxiliary electrodes (3p + clamp)
measurement range to IEC61557-5: 0,44Ω...1999Ω
Range | Resolution | Accuracy |
0,00...19,99Ω | 0,01Ω | ±(8% m.v. + 3 cyfry) |
20,0...199,9Ω | 0,1Ω | |
200...1999Ω | 1Ω |
Range | Resolution | Accuracy |
0,00..19,99Ω | 0,01Ω | ±(10% m.v. + 3 digits) |
20,0...149,9Ω | 0,1Ω | ±(20% m.v. + 3 digits) |
• frequency of measurement current 125 (for networks 50Hz)
or 150Hz (for networks 60Hz)
Measurement of ground resistivity
Measurement method: Wennera, ρ=2πLRE
Range | Resolution | Accuracy |
0,0...199,9Ωm | 0,1Ωm | depending on measurement accuracy RE with 4p method, but not less than ±1 digit |
200...1999Ωm | 1Ωm | |
2,00k...19,99kΩm | 0,01kΩm | |
20,0k...99,9kΩm | 0,1kΩm | |
100k...999kΩm | 1kΩm |
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