Peacefair PZEM-004T Upgraded AC Communication Module 100A Multifunction Digital Power Monitor Meter Voltmeter Ammeter With RS485 TTL Interface 3.3V 5V Compatible

Function

Measuring Range

Starting Measure Current/Power

Resolution

Measurement Accuracy

Display Format

Voltage

80~260V

0.1V

0.50%

Current

0~100A

0.02A

0.001A

0.50%

Active power

0~23kW

0.4W

0.1W

0.50%

<1000W, it display one decimal, such as: 999.9W; ≥1000W, it display only integer, such as: 1000W

Power factor

0.00~1.00

0.01

1%

Frequency

45Hz~65Hz

0.1Hz

0.50%

Active energy

0~250000 kWh

1Wh

0.50%

<110kWh, the display unit is Wh(1kWh=1000Wh), such as: 9999Wh; ≥10kWh, the display unit is kWh, such as: 9999.99kWh

Over power alarm

Active power threshold can be set, when the measured active power exceeds the threshold, it can alarm

Communication interface

RS485 interface

Size

Length * width * height=73.7*30*13.6mm (Bare pager)

Power Supply

The power supply of single-phase-power-frequency network supplies power to the main circuit through resistance-capacitance step-down; TTL output communication interface and Main circuit optocoupler isolation, for passive output; External power is required for communication