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Tekelek offer over 25 years’ experience in ultrasonic sensing, instrumentation and communications. Our portfolio of own-design ultrasonic tank monitors for accurate level measurement of fuel oil & gas, chemicals, water, lubricants, waste and more are certified to the highest standards, making them highly accurate and reliable instrumentation.

Ultrasonic Level Sensor - Level Measurement Solution LoRa Ultrasonic Monitor
TEK888
LoRaWAN Ultrasonic Level Sensor – TEK888 Level Measurement Solution
Our LoRaWAN Ultrasonic Level Sensor is a flexible and config...
TEK898
TEK 898 CAT-M1/NB-IoT Pressure Level Sensor (ATEX and C1/D1 approvals)
Supplied with a pressure level sensor, the battery powered i...
TEK871-1
TEK 871 LTE CAT-M1/NB-IoT/2G ATEX ultrasonic tank level monitor
Tekelek’s Ultrasonic LTE CAT-M1/NB-IoT is a configurable bat...
TEK811
TEK811 Ultrasonic Liquid level sensor NB-IoT/CAT-M1
Our Ultrasonic 4G NB-IoT/CAT-M1 is a flexible and configurab...
Liquid Level Monitoring
TEK733
Liquid Level Monitoring – GSM Tank Monitor – TEK 733 GSM Ultrasonic
Our Ultrasonic GSM Tank Monitor a flexible and configurable...
Liquid Level Sensor
TEK766
Liquid Level Sensor – LoRaWAN Tank Level Monitor- TEK 766 LoRa Ultrasonic
Our Ultrasonic LoRaWAN liquid level sensor  is a flexible an...
WiFi - Ultrasonic Monitor
TEK750
TEK 750 Wi-Fi Ultrasonic
Our Wi-Fi Ultrasonic Sensor is a flexible and configurable b...
TEK682
TEK 682 SMS Ultrasonic Sensor
Our Ultrasonic SMS Sensor is a flexible and configurable bat...
TEK839
TEK 839 LoRa Ultrasonic Waste Level Sensor – Waste level measurement
Our LoRa Ultrasonic Waste Level Sensor is a flexible and con...
LPG tank monitor – ATEX approved. Flexible and configurable battery powered LPG tank monitor with an integrated Cellular modem.
TEK822
TEK 822 LPG tank monitor NB-IoT/CAT-M1 Logger Exi
With flexible sensor/meter connection options, the battery p...
LoRa LPG Tank Level Monitor - LoRa Propane Tank Level Monitor - ATEX LPG Remote Tank Monitor
TEK790
TEK 790 LoRa LPG Tank Level Monitor – Propane level measurement
Our Intrinsically Safe certified LoRa LPG Tank Level Monitor...
Ultrasonic Sensor RF Gen 3 sensor
TEK687
TEK 687 RF Ultrasonic
Ultrasonic RF sensor with increased ultrasonic range of 4m.