FM442 on meters

FM442e – NB-IoT/LTE-M Sensor – Electricity

  • Plug & Play: non-intrusive optical reading technology, easy and quick to install, no electric contact
  • Universal: compatible with most electricity meters (with blinking LED or rotating disk)
  • 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
CONTACT US
PRODUCT BRIEF
USER GUIDE

Description

The FM442e is a plug-and-play IoT sensor designed for monitoring electricity consumption in all types of buildings.

The optical head can be quickly attached to the main electricity meter or a submeter, 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 EMS (Energy Management System).
 

The sensor consists of an optical reading head (to be installed on the existing main electricity meter) and a radio box (also including batteries).

FM442e

Technical characteristics

  • Optical reading head compatible with electronic electricity meters (with a blinking LED) and electromechanical electricity meters (traditional meters with rotating disk)
  • Optical head mounted on a plastic holder with specialized 3M adhesive
  • Meter type selected via switch on the side of the optical head (A/B)
  • Red and green LEDs for commissioning and diagnostics
  • NB-IoT and LTE-M supported
  • MQTTs protocol
  • Default configuration: index increment every 15 minutes, data sent every 4 hours
  • Energy index and power load curve every 5, 10, 15, 30, or 60 minutes (remotely adjustable)
  • Payload format decoding documentation provided (for those who wish to be completely autonomous, i.e. bypass Fludia server)
  • Battery: 2 replaceable A-size batteries: 3.6V Lithium-Thionyl Chloride (Li-SoCl₂)
  • Optical reader: 19 g (with cable), 24 mm (height), 40 mm (width), 19 mm (depth)
  • Cable length: 50 cm
  • Radio box: 130 g, 95 mm (height), 75 mm (width), 30 mm (depth)

Reference

  • FM442e_ap_15mn
Back to products page

Scroll to Top