Thiết bi đo trở kháng vòng lặp Sonel MZC-305

- Hãng sản xuất: Sonel

- Model: MZC-305

- Xuất xứ: Ba Lan

• Loop impedance measurement with resolution 0,01
• Loop impedance measurement without tripping the circuit breaker > 30mA with resolution 0,01 (100...440V)
• Measurements possible in installations 110/190V, 115/200V, 127/220V, 220/380V, 230/400V, 240/415V, 290/500V and 400/690V (range 100...750V)
• Short circuit current indication
• Voltage measurement up to 750V and up to 250V with resolution 0,1V
• Measurements using Uni-Schuko adapter or test wires 1,2; 5; 10 and 20m
• Memory of 990 records
• USB connection with PC
• Powered by disposable or rechargeable (4xAA)

Measurement of short circuit loop impedance (Z_L-PE, Z_L-N, Z_L-L)

Measuring range according to IEC61557: 0,13…1999? for 1,2m test leads; 0,25…1999? for UNI-SCHUKO adapter

• 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

• 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

• measurement available for all settings of short-circuit loop (Z_L-PE, Z_L-PE RCD and Z_L-N,_L-L),
• frequency range 45…65Hz,
• overvoltage alarm.

Electrical safety:
- type of insulation: double, according to IEC 61010-1
- measurement category: CAT IV 600V (CAT III 1000V)
- protection class acc. to EN 60529: IP54

Other technical data
- power supply: alkaline batteries or NiMH rechargeable batteries, size AA (4 pcs)
- number of Z measurements (for alkaline batteries): >3000 (2 measurements per minute)
- time to Auto-OFF: 120 seconds
- data transmission: USB
- memory of measurement results: 990 cells, 3500 entries
- display: LCD segment
- dimensions: 260x190x60mm
- meter weight: ca. 2,2 kg

Rated operational conditions:
- operating temperature: 0...+45°C
- storage temperature: -20...60°C
- humidity 20-80%

The instrument meets the requirements of EMC standards