PZEM004T

AC Energy Metering Module

The PZEM004T is a ac energy metering module from Peacefair. View the full PZEM004T datasheet below including key specifications.

Official PZEM004T datasheet (PDF) — the source this page was extracted from.

Manufacturer

Peacefair

PZEM004T Key Specifications

Parameter	Value
Frequency Range	45Hz to 65Hz
Board Dimensions	3.01 x 7.3 cm
Current Accuracy	0.5%
Voltage Accuracy	0.5%
Current Resolution	0.001A
Frequency Accuracy	0.5%
Power Factor Range	0.00 to 1.00
Voltage Resolution	0.1V
Active Energy Range	0kWh to 9999.99kWh
Frequency Resolution	0.1Hz
Active Power Accuracy	0.5%
Power Factor Accuracy	1%
Active Energy Accuracy	0.5%
Starting Measure Power	0.4W
Active Power Resolution	0.1W
Communication Interface	Serial UART (Modbus-RTU), 9600 baud, 5V supply on RX/TX side
Current Sensing Options	10A built-in shunt; 100A closed CT; 100A split CT (33mm CT coil)
Power Factor Resolution	0.01
Voltage Measuring Range	80V to 260V
Active Energy Resolution	1Wh
Starting Measure Current	0.01A (10A version); 0.02A (100A version)
Current Range (10A Version)	0A to 10A
Current Range (100A Version)	0A to 100A
Active Power Range (10A Version)	0W to 2.3kW
Active Power Range (100A Version)	0W to 23kW

PZEM004T Overview

Part: PZEM-004T V3.0 — Peacefair

Type: AC Multi-function Electric Energy Metering Power Monitor

Description: AC multi-function electric energy metering power monitor (V3.0) capable of measuring voltage (80-260V), current (up to 100A), active power (up to 23kW), energy, frequency, and power factor, communicating via passive serial.

Operating Conditions:

Supply voltage: 5V (for module operation)
AC measurement voltage range: 80–260V
AC measurement frequency range: 45–65Hz

Absolute Maximum Ratings:

Max AC measurement voltage: 260V
Max continuous AC measurement current: 100A

Key Specs:

Voltage measurement: 80–260V, 0.1V resolution, 0.5% accuracy
Current measurement: 0–10A (PZEM-004T-10A); 0–100A (PZEM-004T-100A), 0.001A resolution, 0.5% accuracy
Active power measurement: 0–2.3kW (PZEM-004T-10A); 0–23kW (PZEM-004T-100A), 0.4W starting power, 0.5% accuracy
Active energy measurement: 0–9999.99kWh, 1Wh resolution, 0.5% accuracy
Frequency measurement: 45–65Hz, 0.1Hz resolution, 0.5% accuracy
Power factor measurement: 0.00–1.00, 0.01 resolution, 1% accuracy
Starting measure current: 0.01A (PZEM-004T-10A); 0.02A (PZEM-004T-100A)

Features:

High galvanic isolation
Measures voltage, current, power, energy, frequency, and power factor
Passive serial communication (RX/TX)
Higher precision, faster refresh speed, and more stable communication (compared to V1.0)
Available with built-in shunt (10A range) or external current transformer (100A range)

Applications:

Portable AC energy meter
Energy meter for electrical Lab
Energy auditing and measuring equipment
Residential Energy management system
Load control system
IoT based smart Energy meter

Package:

Module board: 3.01 × 7.3 cm
Optional 100A current transformer coil (33mm diameter)

PZEM004T Applications

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part Number	Manufacturer	Package
PZEM004TV30	Peacefair	Module 30.1x73mm
PZEM004TV30.H	Peacefair	—

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All Sensors datasheets All Peacefair datasheets (3)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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