



Multi-function Electrical Installation Meter – Overview
This Multifunctional Electrical Installations Meter performs complete tests and verifies electrical installations according to the most common safety standards (IEC 61557, VDE 0100, BS7671). The test includes various short circuit loop impedance tests, multiple RCD breaker tests, low voltage resistance measurements of protective circuits, voltage measurements, and frequency measurements.
Multi-function Electrical Installation Meter – Features
Measurement of short circuit loop parameters
- Measurement of short circuit loop impedance in networks with rated voltage: 220/380 V, 230 V/400 V, 240/415 V and frequency 45 – 65 Hz, operating voltage range: 180 – 460 V
- Indication of short circuit loop resistance R and short circuit loop reactance X
- Measurements of short circuit loop impedance with 15 mA current, without tripping the RCD circuit breaker
- Maximum test current: 7.6 A (at 230 V), 13.3 A (at 400 V)
Testing RCD breakers of AC, A types
- Testing of prompt, short-delay and selective RCDs with rated current values 10 | 15 | 30 | 100 | 300 | 500 mA
- Measurement of IA trip current and tripping time tA for currents 0.5 IΔn, 1 IΔn, 2 IΔn, 5 IΔn • RE and UB measurement without RCD tripping
- The extended AUTO function of RCD measurement, with the possibility of measuring ZL-PE with low current
- Measurement of IA and tA during one RCD tripping
Insulation resistance measurement
- Test voltage 100 V, 250 V, 500 V
Measurement of resistance of protective conductors and equipotential bondings
- Measurement of protective connections continuity with a ±200 mA current in accordance with EN 61557-4
- Autocalibration of test leads – any leads can be used
- Low current resistance measurement with sound signalling
Phase sequence indication
Additional functions
- Checking the correctness of PE connection using a contact electrode
- Measurement of voltage (0 – 500 V) and network frequency
- The memory of 990 results, wireless data transmission to a computer
- Backlit keypad






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