1 Key Features

2 General Specification

Specification Description
Standard package 1. Wi-Fi Energy Monitor (WEM3080T) x 1
2. Split-core Current Transformer(100A, 250A) x 3
3. 2.4G Wi-Fi Antenna x 1
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, active power, to grid energy, voltage, current
Configuration Wi-Fi access point and webpage for setting SSID and password
Monitoring Scenarios 1. Monitor on Iammeter Cloud
2.Monitor locally on your PC via LAN
3. Monitor on your own cloud

3 Electrical characteristics

Specification Description
Input Voltage 80V~277VAC (Phase Voltage), 140V~480 VAC (Line Voltage)
CT Rating 100A, 250A
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 0.5kg
Dimension 90.2*71*57.5mm (2 DIN pole)
Protection IP51
Connection 1. AC input: UA-Live wire Phase A, UB-Live wire Phase B, UC-Live wire Phase C, UN-Neutral wire
2. RS485 interface: A-Positive, B-Negative
3. CT: IA+ is Positive Phase A, IA- is Negative Phase A; IB+ is Positive Phase B, IB- is Negative Phase B; IC+ is Positive Phase A, IC- is Negative Phase C
4. SMA port: External Antenna 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 serial no), no password
Configuration Page URL:
Login username: 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:
1. The current is reversed as per the bottom-marked current direction of CT for any phase, or
2. The CT is connected to the wrong phase
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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