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WEM3050T Quickstart

If you are looking for a power meter , please read this article first. It will help you to confirm whether IAMMETER's product meets your requirements quickly. How to choose the power meter with regard to your requirements

1. Hardware Installation


No. Item Qty Remark
1 Wi-Fi Energy Meter 1 Wi-Fi Module Embedded
2 Split-core Current Transformer 3 150A
3 2.4G Wi-Fi Antenna 1

2. Typical Wiring Diagram

Wiring in a Single Phase Solar PV System

Note: The break for the meter is optional. You can connect the meter directly to the main breaker or without the breaker.

More wiring diagram in solar PV system ,please refer to Energy meter Wiring diagram in solar pv system

3 phase energy meter wiring diagram in solar pv system

Wiring in a Single Phase Residential Electricity System

three phase energy meter wiring diagram in single phase grid systeme

Wiring in a Three Phase Residential Electricity System

three phase energy monitor in 3 phase grid system

3. Wi-Fi Setup

There are two ways to configure meter's WiFi settings. Setting up by mobile App is recommended by us. However, you can also set up it in the browser if you meet any problems when using App.

3.1 Set up by mobile App

Video: WiFi set up by mobile App

Step1, scan the QR code and download the mobile App

Download IAMMETER app

Step 2, search and connect the iMeter's access point signal iMeter_xxxxxxxx by your phone

Connect to the SSID of wifi energy meter

Step 3, Open app and find the iMeter

configure the wifi parameter by app

Tips: If the app prompts "Invalid device version", you need to setup the WiFi network by browser, same as 3.1 WEM3162 QuickStart

Step 4, Select the SSID of your home WiFi network;

select the wlan ssid of your router

Step 5, Enter password and save. After succesfully configure the WiFi settings, you will see that the IP address allocated for the iMeter.

input the password of your wifi networking

3.2 Set up in the browser

Video: WiFi set up in the browser

If you have successfully set up the meter's WiFi settings by step 3.1, then you can skip this step 3.2.

Wi-Fi Setup by web browser

4. Sign up by Mobile App


1. If you buy this WEM3050T model, there is only the 3-month IAMMETER cloud service for you to test the IAMMETER cloud and App.

2. When the free cloud service expires after 3 months, the uploaded data will not be refreshed in the IAMMETER cloud. You can activate the cloud service by paying the subscription fee as below:

a). Monthly Fee: USD 3.00


b). Annual Fee: USD 30.00

3. You can integrate this meter to your own system or the system from the third party by using its open APIs. In this case, you do not need to pay any extra cloud service fee.

Sign up process in IAMMETER app

Tips: SN is the unique Serial Number of your iMeter. You can copy it from the iMeter's access point signal (iMeter_xxxxxxxx, xxxxxxxx is the SN).

5. Set the Time Zone

Time Zone

Tips: Time zone must be set according to where your meter located for correct data display and report on time basis.

6. Edit the Meter Type

Edit the Meter

Tips: It is "single phase" as default meter type in Iammeter system. You need to change the meter "Type" as "Three Phase"

7. Set the Use Type of Each CT

set the meter type of each CT

Tips: Please set the use type of each CT according to the actual CT installation. For example, if you clamp the CT of phase A onto grid, then you set its use type as "grid".

8. View the Data

8.1 Overview page of residential electricity system monitoring

Monitor your energy consumption in IAMMETER0-Cloud

Monitor your energy consumption in IAMMETER

8.2 Overview page of solar PV system monitoring

Monitor your solar PV system in IAMMETER-Cloud

View on Mobile App Monitor your solar PV system in IAMMETER APP

View on Web browser

View the web data from IAMMETER solar pv monitoring system

Tips: Please visit to login to the web portal. Same username and password as app. You can see more analysis report on web.

9. How to know that the meter already connected to your router

  1. After connected the meter to your home WiFi router, the iMeter's Wi-Fi access point signal (iMeter_xxxxxxxx) will be disappeared for security reason;
  2. You can find you iMeter in the network of your PC which is connected to the same home Wi-Fi network
  3. If you want to see the iMeter's signal (iMeter_xxxxxxxx), you can switch off your WiFi router or take the meter away to where there is no WiFi network coverage of your WiFi router.


10. Home Assistant integration

Four ways (MQTT, Modbus/TCP, HACS, core integration) to integrate the Wi-Fi energy meter into the home assistant

Integrate the wifi energy meter into Home Assistant

11 More video tutorials

IAMMETER Energy monitor video tutorials

Please note that these videos tutorial only introduce a part of the functions of IAMMETER. For more detailed introductions, please refer to IAMMETER Docs

12 Integrate IAMMETER energy meter to third-party platforms other than Home assistant

Integrate IAMMETER energy meter to third-party platforms other than Home assistant

USE the wifi energy meter in the area that not has internet access


Use the 3 phase energy meter the way you like

Monitor your solar pv system with Home Assistant

Integrate IAMMETER energy meter to third-party platform

Monitor your solar pv system in IAMMETER cloud

Monitor your electricity usage in IAMMETER-cloud