1 Key Features

2 General Specification

Specification Description
Standard package 1. Wi-Fi Energy Meter (WEM3080) x 1
2. Split-core Current Transformer(150A or 250A optional) x 1
3. 2.4G Wi-Fi Antenna x 1
Phase Single phase
Power Supply Built-in universal power supply
Communication Built-in Wi-Fi
Antenna External 2.4G antenna with SMA male
Reporting interval 1-5 minutes interval, typically 1 minute
Report contents Active Energy (Forward and Reverse), Active Power, Voltage, Current, Frequency
Configuration 1. Wi-Fi access point and webpage for setting SSID and password
2. Mobile App for setting SSID and password
Monitoring Scenarios 1. Monitor on Iammeter Cloud
2. Monitor locally on your PC via WLAN (Http get interface)
3. Integrate with third party server, such as your own server, PVoutput and HomeAssistant (TCP/SSL interface)

3 Electrical characteristics

Specification Description
Input Voltage 80~265 V AC
CT Ratings 150A or 250A optional
Measurement Accuracy 1. Voltage: ±1.0%
2. Current: ±1.0%
3. Active Power: ±1.0%
4. Active Energy: Class 1 as defined by IEC62053-21
Typical power consumption ≤2W(220VAC input)

4 Mechanical characteristics

Specification Description
Weight 0.26kg (150A model); 0.37kg (250A model)
Dimension 90×36.5×58mm (2 DIN pole)
Protection IP51
Connection AC input:UL-Live wire,UN-Neutral wire
RS485 interface:A-Positive, B-Negative
CT: I+ is Positive, I- is Negative
SMA port: External entenna port

5 Environmental conditions

Specification Description
Operating Temperature -20~+60℃
Operating Humidity 5~95%
Altitude 0~3000m

6 Wi-Fi Network

Specification Description
WLAN Channel:Auto
SSID iMeter_xxxxxxxxx(8 digits device SN), no password
Configuration Page URL:
Login username: admin
Password: admin

7 Wi-Fi Parameters

Specification Description
Wi-Fi Mode Support WiFi 802.11b/g/n, Wi-Fi frequency 1-13
Transmit power 18.5dBm@11b,15.5dBm@11g,14.5dBm@11n;
Wi-Fi Frequency 2.400 ~ 2.472GHZ
Transmit Speed 3686400bps at highest
Maximum Connections 8
Wi-Fi Antenna External, 8dBi gain

8 RS485 interface

Specification Description
Protocol Modbus-RTU
Data format “n,8,1”
Baud rate 1200、2400、4800、9600Bps;9600Bps by default

9 Indicator

Indicator Description
RUN Always on after powering on,flashing while the WiFi module is communicating with the power meter
REV Always on when the current is reversed as per the bottom-marked current direction of CT
WIFI Always on after the Wi-Fi module is connected to the router

10 Compliance Certificates and standard

Essential Requirements Applied Standard
Health and Safety EN60950-1:2006+A11; 2009+A1;2010+A12;2011+A2;2013
Electromagnetic Compatibility EN62311:2008
Effective Use of the Radio Spectrum 1. ETSI EN 301 489-1 V2.1.1 (2017-02)
2. ETSI EN 301 489-1 V3.1.1 (2017-02)
3. ETSI EN 300 328 V2.1.1 (2016-11)
Essential Requirements Applied Standard Meters of Class
General Requirement IEC62052-11 Protective classⅠ, Indoor
Accuracy requirement IEC62053-21 Accuracy index class 1
Mechanical requirement IEC62053-21 Protective classⅠ, Indoor

11 Attachment

CE Certificate CE

RoHS Declaration



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