Category
Three-Phase Network Analyzers
DIN-rail three-phase network analyzers for class 0.2S energy metering, power quality and harmonic analysis.
A three-phase network analyzer measures voltage, current, power, energy and harmonics on each phase of a supply, so you can meter consumption by feeder and catch power-quality problems such as low power factor or harmonic distortion. The Pixsys PTA-M-3PH-050-ET fits in 4 DIN modules and publishes its readings over Modbus RTU, Modbus TCP, Wi-Fi and MQTT.
1 Product · Three Phase Network Analyzer
Selection guide
Three-Phase Network Analyzers Guide
Where a network analyzer is used
- Sub-metering of feeders, machines or tenants on a main LT panel
- Power factor and harmonic checks before adding capacitor banks or filters
- Energy data for SCADA, BMS or cloud dashboards over Modbus TCP or MQTT
FAQ
Common questions
What accuracy does the PTA-M-3PH-050-ET have?
It is equivalent to class 0.2S for active energy (EN 62053-22) and class 0.5S for reactive energy (EN 62053-24), with voltage and current accuracy of ±0.1% of reading.
Does it need current transformers?
Yes. It takes the 5 A secondary of standard CTs, or 333 mV CTs and Rogowski coils through its built-in integrator. Pixsys offers split-core CTs of 100/5 A, 200/5 A and 400/5 A as accessories.
Can it log data without a PC?
Yes. It logs time-stamped readings to its internal memory, an SD card or a USB stick, and has a built-in web server for viewing values and waveforms over Ethernet or Wi-Fi.
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