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TEK 733 3G GSM Sensor US

Our TEK 733 3G GSM Sensor is a flexible and configurable battery operated or with integrate liquid level monitoring  solution with a GSM modem. The TEK 733 3G GSM Sensor is ideal for industrial applications.

ATEX/Intrinsically Safe

Liquid Level Monitor Applications

  • Liquid level monitor
    • Fuel – Oil, Kerosene
    • Water
    • Waste Oil
  • Fixed or portable tanks
  • Ensure continued supply
  • Optimise delivery or collections
  • Spot and continuous inventory measurement
  • Programmable alarms
    • Full alert
    • Empty alert
    • Spill alert (bunded tanks)
  • Liquid level monitoring 24/7 monitoring


  • Accurate, reliable tank level monitoring
  • GSM Tank Gauge – GPRS/SMS Communication
  • Spot and continuous inventory management
  • Programmable GPRS/SMA reporting interval
  • Remote configurability
  • Liquid level monitor  that is easy to install
  • CE Conformance and ROHS Compliant


Liquid Level Monitor – GSM Tank Gauge

Ultrasonic technology to measure the liquid level of your tank and then communicates this data to a remote server. We have over 5.5 Million Liquid Level Monitor devices in the field. Check out our use cases or talk to us today to find a GSM Tank Gauge that suits your needs.


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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