PQM-750

PQM-750

PQM-750

Product catalog summary
Description
The PQM-750 is a stationary power quality analyzer designed to measure and record power supply parameters to ensure compliance with standards and laws. It is class A certified and can be mounted on a DIN rail or wall. The modular design allows for expansion with additional modules. It supports measurements in 50 Hz, 60 Hz, and 400 Hz networks.

Features
  • Class A certification according to IEC 61000-4-30.
  • Voltage and current inputs for L1, L2, L3, N, E.
  • Built-in and optional external current transformers.
  • Records voltage and current events with waveforms.
  • Measures over 4,000 parameters with a 24-bit ADC and 80 kHz sampling rate.
  • Monitors emissions in the 2-150 kHz band.
  • Equipped with LAN ports, USB port, and RS-485 ports.
  • Includes a 2.4” touch screen and built-in web server.
  • Supports time synchronization via NTP and IRIG-B.
  • Measurement categories CAT III 600 V for voltage and CAT III 300 V for current inputs.

Additional Features
  • Supports Modbus TCP/IP, Modbus RTU, IEC 61850, and PQdif protocols.
  • Web interface accessible from any browser.
  • Expandable with additional communication protocols and modules.

Measured Parameters
  • Measures RMS voltages, currents, power (active, reactive, apparent), energy, harmonics, and more.
  • Monitors network frequency, power factor, and distortion power.
  • Records phase diagrams and energy consumption data.

Parameters
  • High accuracy measurements for voltage, current, power, and harmonics.
  • Supports a wide range of frequencies and power levels.

Standards
  • Complies with IEC 61000-4-30, IEC 62586-1, IEC 62586-2, and other relevant standards for power quality measurement and safety.

Optional Accessories
  • Includes additional communication protocols, modules for transient and relay functions, GPS, GSM LTE, and more.

Standard Accessories
  • Includes seals, wall mounting kit, LAN cable, microSD card, and calibration certificate.
See more

Catalog excerpts

PQM-750-1

Power quality analyzer Stationary, modular, comprehensive Description Stationary meter designed to measure and record power supply parameters for compliance with standards and applicable laws, and with the ability to verify preset terms of a power sale/purchase contract. Made in class A. Designed to be mounted on a DIN rail (with the possibility of mounting on a wall in a cabinet). Modular design allows adding new modules to expand the capabilities of the meter. The instrument allows measurements in 50 Hz, 60 Hz and 400 Hz* networks. 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*), 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 curren

 Open the catalog to page 1
PQM-750-2

Additional features Standard transmission protocols Modbus TCP/IP Modbus RTU IEC 61850 PQdif Access to the interface from any web browser Modularity The instrument can be expanded with additional communication protocols and physical and software functionality. Additional internal modules* Transient module SSR relay module 18…60 V DC power supply unit LTE GSM module GPS module with IRIG-B output I/O module LCD 7” touch panel for full operation of the analyzer at the mounting location Additional external modules*

 Open the catalog to page 2
PQM-750-3

Measured parameters Built-in software (web interface – webserver) allows you to configure the device and view actual data. It allows measurement of the following parameters. • Phase RMS voltage U for L1, L2, L3+N/PE • Phase-to-phase RMS voltages U for L12, L23, L31 • RMS currents I of all phases + N + PE • Crest factor CF of voltages and currents • Network frequency f for L1 • Active power P for L1, L2, L3 • Active power P1 (separated 50 Hz) for L1, L2, L3 • Reactive power Q for L1, L2, L3 • Reactive power Q1 (separated 50 Hz) for L1, L2, L3 • Apparent power S for L1, L2, L3 • Apparent power...

 Open the catalog to page 3
PQM-750-4

Parameters Parameter Measuring range depending on voltage and current ratio depending on voltage and current ratio depending on voltage and current ratio depending on voltage and current ratio depending on voltage and current ratio depending on voltage and current ratio depends on error of active and reactive power ±0.05% Udin for m.v. < 1% Udin ±5% m.v. for m.v. ≥ 1% Udin ±0.15% Irin for m.v. < 3% Irin ±5% m.v. for m.v. ≥ 3% Irin depending on voltage and current ratio unspecified for <1% Udin ±0.15% for 1…3% Udin ±5% for 3…15% Udin a single frequency that is multiple of 200 Hz ±0.1% Udin for...

 Open the catalog to page 4
PQM-750-5

Standards Made in class A of the IEC 61000-4-30 standard, the instrument is compliant: Product standards: » IEC 62586-1 – Power quality measurement in power supply systems – Part 1: Power quality instruments (PQI) » IEC 62586-2 – Power quality measurement in power supply systems – Part 2: Functional tests and uncertainty requirements Standards for measuring network parameters: » IEC 61000-4-30 – Electromagnetic compatibility (EMC) – Testing and measurement techniques – Power quality measurement methods » IEC 61000-4-7 – Electromagnetic compatibility (EMC) – Testing and Measurement Techniques...

 Open the catalog to page 5
PQM-750-6

Standard accessories Seal for voltage and current terminals (set of 2 pcs.) WAPOZPLOKPL Fork terminal for grounding terminal WAZACWID LAN network cable, shielded, 1.5 m WAPRZRJ451X5EKR Factory calibration certificate Optional accessories Additional communication protocols* Internal transient module* Internal SSR relay module* Internal 18…60 V DC power supply unit* External GPS module with external antenna* External GSM LTE module with external antenna* External module of additional inputs/outputs* External 7” LCD touch panel* Calibration certificate with accreditation * coming soon

 Open the catalog to page 6

All Sonel SA catalogs and technical brochures

  1. MIC-2511

    6  Pages

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.