Thiết bi đo trở kháng vòng lặp_ SONEL _ MZC-305
Hãng sản suất: SONEL –Ba Lan
Model: MZC-305
Thông số kỹ thuật:
Giao tiếp :usb
Nguồn: pin alkaline hoặc NiMH rechargeable batteries, size AA (4 pcs)
Kích thước: 260x190x60mm
Khối lượng:2,2kg
Measurement of short circuit loop impedance (ZL-PE, ZL-N, ZL-L)
Measuring range according to IEC61557: 0,13…1999? for 1,2m test leads; 0,25…1999? for UNI-SCHUKO adapter
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Range
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Resolution
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Accuracy
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0,00...19,99Ω
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0,01Ω
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±(5% m.v. + 3 digits)
|
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20,0...199,9Ω
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0,1Ω
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±(4% m.v.. + 3 digits)
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|
200...1999Ω
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1Ω
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• rated operating voltage UnL-N/ UnL-L: 110/190V, 115/200V, 127/220V, 220/380V, 230/400V, 240/415V, 290/500V, 400/690V,
• operating voltage range: 100…440V (for ZL-PE and ZL-N) and 100…750V (for ZL-L)
• high current measurement (up to 30A),
• operating frequency range: 45…65Hz,
• control of correctness of PE terminal connection by means of a contact electrode (applicable to ZL-PE),
• measurement is also possible when L and N circuits are swapped,
• measurement of resistance and reactance components,
• short circuit current calculation.
Measurement of short circuit loop impedance ZL-PE RCD (without RCD tripping)
Measuring range according to IEC61557: 0,43...1999? for 1,2m test leads; 0,50...1999? for UNI-SCHUKO adapter
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Range
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Resolution
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Accuracy
|
|
0,00...19,99Ω
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0,01Ω
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±(6% m.v. + 10 digits)
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20,0...199,9Ω
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0,1Ω
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±(6% m.v. + 5 digits)
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|
200...1999Ω
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1Ω
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• operating voltage range: 100 ... 440V,
• rated operating voltage Un: 110V, 115V, 127V, 220V, 230V, 240V, 390V, 400V,
• control of correctness of PE terminal connection by means of a contact electrode,
• measurement is also possible when L and N circuits are swapped,
• measurement of resistance and reactance components,
• short circuit current calculation.
Voltage measurement
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Range
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Resolution
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Accuracy
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0,0V...249,9V
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0,1V
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±(2% m.v. + 4 digits)
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250V...750V
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1V
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±(2% m.v. + 2 digits)
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• measurement available for all settings of short-circuit loop (ZL-PE, ZL-PE RCD and ZL-N,L-L),
• frequency range 45…65Hz,
• overvoltage alarm.