Wireless Radio Gas Meter Data Logger


APULSE X373 is a universal wireless data logger with built-in pulse detector that can be installed on new or existing diaphragm meters. The device registers consumption profile as well as magnet and tamper detection. Designed for walk-by gas metering as well as fixed (clustered) metering which makes it the most cost effective solution for individual housing, dense urban and block of flats. IMR Smart Gas Metering system AIUT consists of communication equipment, data loggers, sensors as well as backoffice software package for data acquisition, analytics and presentation.




  • Cost effective solution
  • Radio communication
  • Hourly consumption registered for 10 years
  • Built-in pulse sensor
  • Long life battery (10 years)
  • Robust, suitable for outdoor environment
  • Easy to set up & retrofittable on existing meters
  • Zone 0 – ATEX approved

Data structures

  • Configurable logging interval of 60 minutes or 24 hours,
  • Daily data (current state, daily statistics, daily data archive),
  • Summary reports with hourly and daily consumption profile,
  • Tamper detection: device removal, external magnet.


  • Radio communication RF 867-869 MHz, on request 169 MHz/433 MHz,
  • Daily readouts, data archive, alarms, configuration,
  • Remote firrmware upgrade,
  • Opto Port for easy diagnostics.

User friendly interface

  • Graphic orientated display for current readout presentation, extensive diagnostics and easy installation process.


  • Robust design, secured with seals,
  • Suitable for outdoor environment,
  • Operational temperature -40°C to +55°C,
  • Ingress protection IP56.


  • ATEX certification (Zone 0 gas group B),
  • IECEx,
  • LVD,
  • RTTE,
  • EMC.

Management System

  • Backoffice server with database for readouts, configuration and devices,
  • Communication management and different protocols support for system with thousands devices,
  • Browse current and historical data on the web, get email summary reports, 
  • Manage installation process, supervise and maintain high system performance.
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