Beijing Lewei IOT Technologies Co., Ltd.


  • Q Is your company a trade company or manufacturer?
    Manufacturer. Our company is a high-tech company professional in providing one-stop IoT solution for different fields, including IoT system development and internet-enabled devices, data loggers or sensors manufacture.
  • Q What is your minimum order quantity?
    You can even only order 1 piece of our product. But the price may vary depending on the quantity you purchased once.
  • Q What is your payment terms?
    It is depending on whether the product package you purchased includes permanent cloud service or not. If not, you need to pay the cloud service fee from the second year. We give you the free cloud service for the first year. 
  • Q If I purchase your product and connect it to your IoT system, should I pay extra cloud service fee?
    It is depending on whether the product package you purchased includes a permanent cloud service fee or not. If not, you need to pay the cloud service fee from the second year. We give you the fee cloud service for the first year.
  • Q Can I post the data reported by your product to my own system or website?
    Yes. All our products can post the data directly to your own server by customized configuration. Or you can get the data from our server by API calling.
  • Q Can I connect my own devices to your IoT system?
    You can connect your devices or sensors to DeviceBit platform and connect any standard Modbus RTU energy meter to Iammeter platform.
  • Q Should I pay cloud service fee to connect my own devices to your IoT system?
    You can apply for a free account. But there is the quantity limitation of connected devices or other restriction (data upload interval, data storage period, etc.). If you need more beyond what the free account can offer, please contact us for service fee quotation.
  • Q What is your delivery time?
    Depending on the quantity you ordered. Normally for each product, we can have 100 pieces in stock. After fully payment, we will ship the goods out within 3 workdays.
  • Q How to guarantee my transactions safety?
    We have e-store on Alibaba. If you are concern about the transaction safety, you can order our product on Alibaba by placing us an Alibaba Trade Assurance Order. Alibaba platform can guarantee your transactions safety until you confirm to receive the goods.
  • Q Any international standard or certificate applied for your product?
    We have CE and RoHS certificate for our product. Our products also comply with the specific IEC standard. You can get the information from the product manual.
  • Q Tell me about the WiFi energy meter.
    The WiFi energy meter can measure and record energy parameters such as Voltage, Current, Active power and Energy, and report these values to our cloud every minute. The meters are widely used in both residential electricity system and solar system.
  • Q How can I see the demo of Iammeter system and app?

    To see the demo of the web portal of our energy monitoring cloud (Iammeter Portal), please visit Demo of Web Portal by your PC;

    To see the demo of the mobile app, please visit Demo of Mobile App by your smart phone. It is webapp on mobile phone just for demo, if you want to download the app file, please search "IAMMETER" on Google Play or Apple Store.

  • Q How many models do you have for the meter?
    We have both sinlge phase (WEM3080) and three phase (WEM3080T) meter. The CT options are as below: WEM3080: 60A, 230A; WEM3080T: 100A, 250A.
  • Q How to quickly install and setup the meter?
    For quickstart document, please visit Quickstart
  • Q What is the specification of the meter?
    For specification and datasheet, please visit DataSheet.
  • Q How much is the meter?
    For the price of WEM3080, please visit Price of WEM3080, 60A and Price of WEM3080, 230A;
    For the price of WEM3080T, please visit Price of WEM3080T, 100A and Price of WEM3080T, 230A.
  • Q How to apply the meter in a solar system
    Please refer to Apply the meter in a solar system for details.
  • Q Can I use this meter in a place without internet
    Yes, you can monitor the data locally via WLAN, no internet needed. Please refer to Local Monitoring for details.
  • Q We don't want to use Iammeter cloud. Can I integrate the meter's reading to our own server?
    Yes, the meter can transfer the data to your server by setting TCP or SSL parameters. In this way, you don't need to register on Iammeter and the meter's data will not store on Iammeter cloud. Please refer to Open Data Interface Description for details.
Want to find out more? If you are interested in more information about our products or services, send us an inquiry. Contact
  • TEL:+86-010-52981332
  • EMAIL:
  • ADDRESS:Room 2308, No. 51, Gucheng Street, Shijingshan District, Beijing,China