PQM 750
Features
- Full class A according to IEC 61000-4-30, confirmed by a certificate from an accredited laboratory.
- Voltage inputs L1, L2, L3, N, E (5 terminals).
- L1, L2, L3, N, E currents (5 current transformers).
- Built-in current transformers 5 A (optional: 1 A*), with the possibility of indirect measurements with calculation results for the primary side (optional: version with external current transformers*).
- Operation in 50 Hz, 60 Hz networks; operation in 400 Hz networks*.
- Recording of voltage and current events along with waveforms.
- Measurement of more than 4,000 parameters.
- 24-bit analog-to-digital converter.
- Basic sampling rate of 80 kHz.
- Conducted emissions monitoring in the 2…150 kHz band.
- Two LAN ports, including one with the option of powering the meter with PoE (Power over Ethernet).
- Power supply 85…264 V AC (120…300 V DC), built-in rechargeable battery.
- 8 GB memory (microSD card).
- USB port for meter updates and data exchange.
- Two binary inputs, two relay outputs, two RS-485 ports.
- Relay output to monitoring analyzer operation (Watchdog).
- 1-wire input for external temperature sensors.
- 2.4” touch screen.
- DIN rail or wall mounting.
- Expansion bus allowing connection of various external modules (e.g., GPS, LTE).
- Built-in web server for programming the meter, reading current data, viewing the list of recorded events with oscillogram/RMS display.
- Time synchronization with the reference via NTP servers, IRIG-B (via built-in RS-485).
- Optional GPS module*.
- Measurement category CAT III 600 V (IV 300 V) for voltage inputs.
- Measurement category CAT III 300 V for current inputs.
- Possibility of sealing current and voltage inputs.