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TEK 643 GSM Dial Gauge Exi

With flexible sensor/meter connection options, our battery powered ATEX GSM modem/logger is suitable for monitoring fuel tank levels and flow rates.

Key Features and benefits:

  • Accurate, reliable tank level reporting to server monitoring application
  • Data or SMS Communication ( TEK586 data packet format)
  • Highly configurable server reporting interval from every 2 hours to once per month
  • 28 slot logger with configurable logging interval
  • Programmable Alarms
    • High level
    • Low level
    • Rate of level change (fill or drain)
  • Reports local temperature, GSM RSSI, and battery level
  • External antenna option for underground locations
  • Remote re-configurability
  • Easy to install and commission
  • Mounting/attachment options – wall/pole/magnet
  • CE Conformance and ROHS Compliant


  • LPG/Propane tank dial-gauge position measurement
    • Rochester R3D/Twinsite Senior/Junior
  • Pressure sensor based vented tank liquid level monitoring
    • Kerosene, Diesel, Gasoline
    • Oils/Waste Oils
    • Other hazardous/non hazardous
  • Utility meters/Flow meters
    • Pulse output accumulation and reporting
    • Absolute encoder serial output protocols
    • Other hazardous/non hazardous
  • Tanks
    • Fixed/Mobile
    • Vented/Pressurised
    • Underground
    • Tanks size limited only by the capability of the sensor connected
  • Optimised delivery or collections
  • Spot and continuous inventory measurement
  • Configurable reporting schedule and alarms
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Tekelek offer the most accurate, robust, ultrareliable, simple to install and maintenance free monitors on the market. We also offer the longest battery life, with replaceable batteries, along with industry-leading product design life.


Flexible asset monitoring solutions to meet your business needs via our industry-leading 2-way, remotely configurable sensors.


Tekelek is a platform agnostic solution – use Tekelek’s backend and apps or we can easily integrate via APIs into your preferred backend or cloud solution.


Tekelek’s remote monitoring solutions are available in 2G, 3G, 4G LTE CAT-M1 / NB-IoT, LPWAN LoRa, LPWAN Sigfox, Wi-Fi and Local Radio (RF).