SPESIFIKASI
| A | General | |
|---|---|---|
| 1 | Voltage measurement | 0…..440 V |
| 2 | Resolution | 1 V |
| 3 | Accuraccy | ±(2% m.v. + 2 digits) |
| 4 | Max. Resolution | 0.1 mᲲ |
| 5 | low short circuit loop impedances | 150 A at 230 V; Max. 280 A at 440 V |
| 6 | Measurement with a current ( resolution 0,01 Ω) | 23 A at 230 V; Max. 42 A at 440 V |
| 7 | Operating Frequency | 45 ….. 65 Hz, resolution 0.1 Hz, Accuracy ±(0.1% m.v. + 1 digit) |
| 8 | Measurement category according to EN 61010 | IV 300 V |
| 9 | Ingress Protection | IP20 |
| 10 | Power supply | 5x LR14 alkaline battery 1.5 V |
| 11 | Fault Loop Impedance Measurement | 0.01 Ჲ Resolution |
| 12 | Weight | ca. 2.2 kg |
| 13 | Memory | 990 measurement result |
| 14 | Data Transmission | RS-232 |
| 15 | Nominal temperature | +20…+25°C |
| 16 | Quality standard – development, design and production | ISO 9001 |
| B | Capabilities | |
|---|---|---|
| 1 | Ability to perform mesurement in short circuit system : phase-phase, phase-PE,phase-N | |
| 2 | Differentiation between the phase voltage and the inter-phase voltage while calculating and the short circuit current | |
| 3 | Ability to change the length of test lead (measurement with 2p method) | |
| 4 | 4p (four-pole) method, test leads do not require calibration (measurement with current up to 280 A). | |
| 5 | Touch voltage and touch shock voltage measurement with resistor 1 kΩ). | |
With the use of the Sonel MZC-310S meter it is possible to test short circuit loop impedance in consumer networks as well as in distribution networks protected with high-current circuit breakers. At the same time as measuring the impedance, the shock and contact voltages can be measured. Where the condition for automatic power off cannot be satisfied, the facility may be authorised to operate on the basis of the voltage criterion.
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