PQ800

Class A Power Quality Measurement Multi-function Smart Panel Meter for Data Center Metering

High-accuracy Full-parameter Energy Metering and Data Traceability

Time-of-Use and Historical Data Retrieval

Harmonic/Interharmonic Analysis up to the 127th Order

Class A Power Quality Measurement Accuracy (IEC 61000-4-30)

Dual RJ45 Ports with a Built-in Web Server, Supporting Modbus-TCP, IEC 61850 and SMTP E-mail Alarms

RS485 Communication as Standard, for Connection to AMR, SCADA and Energy Management Systems

Multi-mode Time Synchronisation with IRIG-B, SNTP and PTP IEEE1588, Timing Accuracy ≤1 ms

High-definition Colour LCD with Multi-parameter Auto-scrolling and Event List Display

Large Built-in Storage (≥4 GB), Supporting SOE Event Recording and PQDIF Standard Format Data Export

4 DI (Digital Inputs) and 2 DO (Digital Outputs)

Bi-directional Energy Metering with Selectable Current Direction

+86-400-996-9296

[email protected]

PQ800 is a high-end panel-mounted power quality analyser. As a digital monitoring terminal, it combines high-accuracy electrical parameter measurement, full power quality analysis, transient event capture, waveform recording, real-time alarms and remote monitoring. The meter uses modern computer and digital signal processing technology and can replace a variety of discrete components such as conventional transducers, indicating instruments and relays.

The device is fitted as standard with an RS485 communication interface and a dual-port Ethernet module (2 x RJ45), supporting Web Server, Modbus-TCP, SMTP e-mail alarms and the IEC 61850 protocol, so it can be integrated seamlessly into energy management systems, SCADA platforms and smart substation architectures. It measures three-phase current and voltage, active/reactive power, energy and power parameters up to the 127th harmonic/interharmonic, making it suitable for real-time monitoring and data acquisition systems. With its excellent cost-performance ratio, PQ800 is a reliable choice for building intelligent, digital front-end acquisition units.

Technical Parameters
Type of Measurement			RMS (3P, 3P+N)
Measurement Accuracy	Current		±0.2%
	Voltage		±0.2%
	Frequency		± 0.05%
	Power Factor		± 0.005
	Active Power		± 0.5%
	Reactive Power		± 1%
	Apparent Power		± 0.5%
	Active Energy		Class 0.2S IEC62053-22 Class C EN50470-3:2022
	Reactive Energy		Class 2 IEC 62053-23
Data Update Rate			1s
Technical Parameters	Rated Voltage		3x230/400 V
	Voltage Range		57 ~ 400 V AC (L-N) 100 ~ 690 V AC (L-L)
	Frequency		50/60Hz
	CT Rated Parameters	Primary	1 ~ 9999A
		Secondary	1A / 5A
	PT Rated Parameters	Primary	100 ~ 500000V
		Secondary	100 ~ 277V (L-N)
	Basic Current		5A
	Maximum Current		6A
	Minimum Current		0.05A

RS485 Communication
Interface	RS485 Interface 1	RS485 Interface 2
Protocol	MODBUS RTU
Communication Address	1~247
Transmission Mode	Half Duplex
Data Type	Floating Point
Transmission Distance	1000m Maximum
Transmission Speed	2400bps~115200bps, 9600 (Default)	2400bps~115200bps, 19200 (Default)
Parity	None (Default), Odd, Even
Stop Bits	1 or 2
Response Time	＜100mS

Ethernet Communication
Protocol	MODBUS TCP
IP Address	192.168.1.200 (Default)
Subnet Mask	255.255.255.0
Gateway	192.168.1.1

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