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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.

<img width="250" height="250" src="https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK871_600-e1660055329642-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK871_600-e1660055329642-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK871_600-e1660055329642-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK871_600-e1660055329642-100x100.jpg 100w" sizes="(max-width: 250px) 100vw, 250px" />

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...

<img width="250" height="250" src="https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK871_600-e1660055329642-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK871_600-e1660055329642-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK871_600-e1660055329642-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK871_600-e1660055329642-100x100.jpg 100w" sizes="(max-width: 250px) 100vw, 250px" />

TEK871-1 US

TEK 871 LTE CAT-M1/NB-IoT/2G Intrinsically safe C1D1 – Ultrasonic level monitor

Tekelek’s Ultrasonic LTE CAT-M1/NB-IoT is a configurable bat...

<img width="250" height="250" src="https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK811-600-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK811-600-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK811-600-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK811-600-100x100.jpg 100w" sizes="(max-width: 250px) 100vw, 250px" />

TEK811

TEK811 Ultrasonic Liquid level sensor NB-IoT/CAT-M1

Our Ultrasonic 4G NB-IoT/CAT-M1 is a flexible and configurab...

<img width="250" height="250" src="https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK811-600-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK811-600-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK811-600-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK811-600-100x100.jpg 100w" sizes="(max-width: 250px) 100vw, 250px" />

TEK811 US

TEK811 Ultrasonic Liquid level sensor NB-IoT/CAT-M1

Our Ultrasonic 4G NB-IoT/CAT-M1 is a flexible and configurab...

Liquid Level Monitoring

<img width="250" height="250" src="https://tekelek.com/wp-content/uploads/2019/04/tek733-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="Liquid Level Monitoring" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2019/04/tek733-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2019/04/tek733-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2019/04/tek733-300x300.jpg 300w, https://tekelek.com/wp-content/uploads/2019/04/tek733-100x100.jpg 100w, https://tekelek.com/wp-content/uploads/2019/04/tek733.jpg 410w" sizes="(max-width: 250px) 100vw, 250px" />

TEK733 US

Liquid Level Monitor – GSM Tank Gauge – TEK 733 GSM Ultrasonic US

Our Ultrasonic GSM Tank Monitor a flexible and configurable...

Liquid Level Monitoring

<img width="250" height="250" src="https://tekelek.com/wp-content/uploads/2019/04/tek733-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="Liquid Level Monitoring" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2019/04/tek733-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2019/04/tek733-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2019/04/tek733-300x300.jpg 300w, https://tekelek.com/wp-content/uploads/2019/04/tek733-100x100.jpg 100w, https://tekelek.com/wp-content/uploads/2019/04/tek733.jpg 410w" sizes="(max-width: 250px) 100vw, 250px" />

TEK733

Liquid Level Monitoring – GSM Tank Monitor – TEK 733 GSM Ultrasonic

Our Ultrasonic GSM Tank Monitor a flexible and configurable...

Liquid Level Sensor

<img width="250" height="250" src="https://tekelek.com/wp-content/uploads/2019/04/LoRaWAN-tank-sensor-products-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="Liquid Level Sensor" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2019/04/LoRaWAN-tank-sensor-products-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2019/04/LoRaWAN-tank-sensor-products-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2019/04/LoRaWAN-tank-sensor-products-100x100.jpg 100w, https://tekelek.com/wp-content/uploads/2019/04/LoRaWAN-tank-sensor-products.jpg 300w" sizes="(max-width: 250px) 100vw, 250px" />

TEK766 US

Liquid Level Sensor – LoRaWAN Tank Level Gauge- TEK 766 LoRa Ultrasonic

Our Ultrasonic LoRaWAN liquid level gauge is a flexible and...

Liquid Level Sensor

<img width="250" height="250" src="https://tekelek.com/wp-content/uploads/2019/04/LoRaWAN-tank-sensor-products-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="Liquid Level Sensor" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2019/04/LoRaWAN-tank-sensor-products-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2019/04/LoRaWAN-tank-sensor-products-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2019/04/LoRaWAN-tank-sensor-products-100x100.jpg 100w, https://tekelek.com/wp-content/uploads/2019/04/LoRaWAN-tank-sensor-products.jpg 300w" sizes="(max-width: 250px) 100vw, 250px" />

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

<img width="250" height="250" src="https://tekelek.com/wp-content/uploads/2019/04/tek750-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="WiFi - Ultrasonic Monitor" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2019/04/tek750-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2019/04/tek750-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2019/04/tek750-300x300.jpg 300w, https://tekelek.com/wp-content/uploads/2019/04/tek750-100x100.jpg 100w, https://tekelek.com/wp-content/uploads/2019/04/tek750.jpg 410w" sizes="(max-width: 250px) 100vw, 250px" />

TEK750

TEK 750 Wi-Fi Ultrasonic

Our Wi-Fi Ultrasonic Sensor is a flexible and configurable b...

WiFi - Ultrasonic Monitor

<img width="250" height="250" src="https://tekelek.com/wp-content/uploads/2019/04/tek750-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="WiFi - Ultrasonic Monitor" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2019/04/tek750-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2019/04/tek750-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2019/04/tek750-300x300.jpg 300w, https://tekelek.com/wp-content/uploads/2019/04/tek750-100x100.jpg 100w, https://tekelek.com/wp-content/uploads/2019/04/tek750.jpg 410w" sizes="(max-width: 250px) 100vw, 250px" />

TEK750 US

TEK 750 Wi-Fi Ultrasonic Monitor

Our Wi-Fi Ultrasonic Monitor is a flexible and configurable...

<img width="250" height="250" src="https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK839_600-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK839_600-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK839_600-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK839_600-100x100.jpg 100w" sizes="(max-width: 250px) 100vw, 250px" />

TEK839

TEK 839 LoRa Ultrasonic Waste Level Sensor – Waste level measurement

Our LoRa Ultrasonic Waste Level Sensor is a flexible and con...

<img width="250" height="250" src="https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK839_600-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK839_600-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK839_600-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2022/05/tekelek-product-TEK839_600-100x100.jpg 100w" sizes="(max-width: 250px) 100vw, 250px" />

TEK839 US

TEK 839 US LoRa Ultrasonic Waste Level Sensor – Waste level measurement

Our LoRa Ultrasonic Waste Level Sensor is a flexible and con...