Category
Power Monitoring & Electrical Measurement
Measure energy, power quality and AC/DC current with Pixsys three-phase network analyzers and Hall-effect current transducers.
Power monitoring shows where a plant's energy goes: which feeder, machine or panel draws the current, how clean the supply is, and what each kWh costs. We supply Pixsys three-phase network analyzers for energy and power-quality metering, and Hall-effect current transducers that turn AC or DC current into a 0–10 V, 4–20 mA or Modbus signal for a PLC.
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Power Monitoring & Electrical Measurement Subcategories
3 Products · Power Monitoring & Electrical Measurement
PTA-M-3PH-050-ET
Three-phase network analyzer, class 0.2S, Modbus RTU/TCP, Ethernet, Wi-Fi, MQTT
PTA-T-1PH-xxx-LP
Loop-powered AC/DC current transducer, 50 A or 300 A, 4–20 mA output
PTA-T-1PH-xxx-VT
Single-phase AC/DC current transducer, 50 A or 300 A, 0–10 V and RS485 Modbus RTU
Selection guide
Power Monitoring & Electrical Measurement Guide
Network analyzer or current transducer?
- Three-phase network analyzer: measures voltage, current, power, energy, power factor and harmonics on a three-phase supply, and logs or publishes them over Modbus, Ethernet or Wi-Fi. Use it for energy metering and power-quality checks on a feeder or main panel.
- Current transducer: measures the current in one conductor, AC or DC, and outputs it as an analogue or Modbus signal. Use it to watch a single load, such as a motor, heater, battery bank, charger or solar string, from a PLC.
What to check before ordering
- Supply type: three-phase AC for a network analyzer; AC, DC or bipolar DC for a current transducer.
- Current range and conductor size: the transducer's through-hole must fit the cable.
- Output: Modbus RTU/TCP, MQTT, 0–10 V or loop-powered 4–20 mA, to match your PLC or SCADA.
- Accuracy class needed for billing-grade or check metering.
FAQ
Common questions
What is the difference between a network analyzer and an energy meter?
An energy meter mainly counts kWh. A network analyzer such as the Pixsys PTA-M-3PH-050-ET also measures voltage, current, power factor, neutral current and harmonics up to the 63rd, so it shows power quality as well as consumption.
Can a current transducer measure DC current?
Yes. The Pixsys PTA-T-1PH transducers use the Hall effect, so they measure AC/DC current as True RMS or bipolar DC, which also shows the direction of a DC current, for example charging or discharging a battery.
How do these devices connect to a PLC or SCADA?
The PTA-M-3PH-050-ET network analyzer offers Modbus RTU over RS485 and Modbus TCP, HTTP and MQTT over Ethernet and Wi-Fi. The current transducers output 0–10 V with RS485 Modbus RTU (VT models) or a loop-powered 4–20 mA signal (LP models).
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