FM442g-n – NB-IoT/LTE-M Sensor – Gas
- Plug & Play: non-intrusive optical reading technology, easy and quick to install, no electric contact
- Universal: compatible with all gas meters with mechanical display
- Reliable: Adaptive detection and signal filtering built into the optical head
- Configurable: Measurement and transmission intervals remotely adjustable
- Autonomous: Battery-powered for multiple years of operation
- Designed and manufactured in France
Description
The FM442g-n is a plug-and-play IoT sensor designed for monitoring gas consumption in all types of buildings.
The optical head can be quickly attached to the main gas meter, and the NB-IoT/LTE-M modem connects through standard cellular networks.
Measurement data is transmitted to an MQTT broker and can be retrieved by any energy data management solution.
The sensor consists of an optical reading head (to be installed on the existing main gas meter) and a radio box (also including batteries).
Technical characteristics
- Optical reading of one of the digits of the mechanical display – Detection of digit rotation
- Optical head mounted on a plastic holder with specialized 3M adhesive
- NB-IoT and LTE-M supported
- MQTTs protocol
- Load curve measurement every 10mn, 15mn or 1h
- Battery: 2 replaceable A-size batteries: 3.6V Lithium-Thionyl Chloride (Li-SoCl₂)
- Optical head size: 46 x 34x 15mm / Weight: 18g
- Battery box size: 95 x 75 x 30mm / Weight: 130g
- Cable length: 50 cm
Reference
- FM442g-n_ap_15mn