Thiết bi đo trở kháng vòng lặp Sonel MZC-305

Range	Resolution	Accuracy
0,00...19,99Ω	0,01Ω	±(5% m.v. + 3 digits)
20,0...199,9Ω	0,1Ω	±(4% m.v.. + 3 digits)
200...1999Ω	1Ω

• rated operating voltage Un_L-N/ Un_L-L: 110/190V, 115/200V, 127/220V, 220/380V, 230/400V, 240/415V, 290/500V, 400/690V,
• operating voltage range: 100…440V (for Z_L-PE and Z_L-N) and 100…750V (for Z_L-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 Z_L-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

Range	Resolution	Accuracy
0,00...19,99Ω	0,01Ω	±(6% m.v. + 10 digits)
20,0...199,9Ω	0,1Ω	±(6% m.v. + 5 digits)
200...1999Ω	1Ω

• 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

Range	Resolution	Accuracy
0,0V...249,9V	0,1V	±(2% m.v. + 4 digits)
250V...750V	1V	±(2% m.v. + 2 digits)