Máy đo trở kháng vòng lắp Sonel MZC-310S
Measurement of very low short circuit loop impedances (with resolution 0,1 mΩ) with a current of 150 A at 230 V; maximum 280 A at 440 V or measurement with a current of 23 A at 230 V; maximum 42 A at 440 V.
- measurements in installations with rated voltages between: 220/380 V and 230/400 V and frequencies 45...65 Hz,
- ability to perform measurements in short circuit system: phase-phase, phase-protective, phase-neutral,
- differentiation between the phase voltage and the inter-phase voltage while calculating the shortcircuit current,
- Ability to change the length of test leads (measurement 23/42 A),
- four-pole method, test leads do not require calibration (measurement 150/280 A).
Touch voltage and touch shock voltage measurement (with resistor 1 kΩ).
AC voltage measurement in range 0...440 V.
Memory for 999 measurement results with an ability to transfer the data to a PC.
Meter meets the requirements of the standard EN 61557.
Electric security:
- type of insulation: double, according to EN 61010 - 1 and IEC 61557
- measurement category: CAT IV 300 V acc. to EN 61010 - 1
- protection class acc. to EN 60529: IP20