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ATEX/Intrinsically Safe

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TEK 790 LoRa Logger + Rochester Sensor

Our Intrinsically Safe certified  TEK 790 LoRa Logger + Rochester Sensor is a flexible and configurable battery operated ultrasonic level monitor with an 868Mhz integrated LoRaWAN radio.

ATEX/Intrinsically Safe


  • LPG/Propane tank dial-gauge position measurement
  • Rochester R3D/Twinsite Senior/Junior
  • Tanks –  Fixed or Mobile, Vented or Pressurised, Underground
  • Optimise delivery or collections
  • Spot and continuous inventory measurement
  • 868 MHz LoRa Ultrasonic Level Sensor with 24/7 monitoring
  • Configurable reporting schedule and low and high level alarms

LoRa Propane Tank Level Monitor Benefits

  • Accurate, reliable tank level reporting to server monitoring.
  • LoRaWAN Communication
  • Spot and continuous inventory management
  • Rochester gauge compatible
  • Low powered Rochester hall effect interface
  • Accurate to 4%
  • Reports local temperature and battery level
  • Measures approximately 5%-95% of tank capacity
  • Remote re-configurability
  • Conforms to ATEX Directive 2014/34/EU for hazardous locations
  • Minimum 1 year warranty
  • Up to 15 years battery life
  • CE Conformance and ROHS Compliant
  • Cost effective for large scale deployment
  • Easy to install and commission


TEK 790 LoRa Logger + Rochester Sensor – Low power propane measurement solution

Ultrasonic technology to measure propane levels and then communicates this data to a remote server. low-power and ATEX rated for hazardous locations. We have over 5.5 Million devices in the field. Check out our use cases or talk to us today to find the Ultrasonic LoRa Propane Level Monitor that suits your needs.

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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).

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