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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.

TEK 893

TEK 893 LoRa Logger + Ultrasonic Sensor

With an ultrasonic level sensor, the battery powered Intrins...

<img width="250" height="250" src="https://tekelek.com/wp-content/uploads/2024/08/5_Rochester_TEK811-Cellular-Ultrasonic-image-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2024/08/5_Rochester_TEK811-Cellular-Ultrasonic-image-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2024/08/5_Rochester_TEK811-Cellular-Ultrasonic-image-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2024/08/5_Rochester_TEK811-Cellular-Ultrasonic-image-500x500.jpg 500w, https://tekelek.com/wp-content/uploads/2024/08/5_Rochester_TEK811-Cellular-Ultrasonic-image-100x100.jpg 100w" sizes="(max-width: 250px) 100vw, 250px" />

TEK811 US

TEK 811 Cellular Ultrasonic Sensor (C1D2)

Our TEK 811 Cellular Ultrasonic Sensor is a flexible and co...

<img width="250" height="250" src="https://tekelek.com/wp-content/uploads/2024/08/5_Rochester_TEK811-Cellular-Ultrasonic-image-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2024/08/5_Rochester_TEK811-Cellular-Ultrasonic-image-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2024/08/5_Rochester_TEK811-Cellular-Ultrasonic-image-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2024/08/5_Rochester_TEK811-Cellular-Ultrasonic-image-500x500.jpg 500w, https://tekelek.com/wp-content/uploads/2024/08/5_Rochester_TEK811-Cellular-Ultrasonic-image-100x100.jpg 100w" sizes="(max-width: 250px) 100vw, 250px" />

TEK811

TEK 811 Cellular Ultrasonic Monitor (C1D2)

Our TEK 811 Cellular Ultrasonic Monitor (C1D2) is a flexible...

TEK811-1

TEK 811 LR Cellular Ultrasonic Sensor (C1D2)

Our Long Range Cellular Ultrasonic sensor is a flexible and...

<img loading="lazy" width="250" height="250" src="https://tekelek.com/wp-content/uploads/2024/08/33_Rochester_TEK871-Cellular-Ultrasonic-Exi-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2024/08/33_Rochester_TEK871-Cellular-Ultrasonic-Exi-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2024/08/33_Rochester_TEK871-Cellular-Ultrasonic-Exi-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2024/08/33_Rochester_TEK871-Cellular-Ultrasonic-Exi-500x500.jpg 500w, https://tekelek.com/wp-content/uploads/2024/08/33_Rochester_TEK871-Cellular-Ultrasonic-Exi-100x100.jpg 100w" sizes="(max-width: 250px) 100vw, 250px" />

TEK871-1

TEK 871 Cellular Ultrasonic Exi

Rochester Sensors Ultrasonic LTE CAT-M1/NB-IoT is a configur...

<img loading="lazy" width="250" height="250" src="https://tekelek.com/wp-content/uploads/2024/08/33_Rochester_TEK871-Cellular-Ultrasonic-Exi-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2024/08/33_Rochester_TEK871-Cellular-Ultrasonic-Exi-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2024/08/33_Rochester_TEK871-Cellular-Ultrasonic-Exi-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2024/08/33_Rochester_TEK871-Cellular-Ultrasonic-Exi-500x500.jpg 500w, https://tekelek.com/wp-content/uploads/2024/08/33_Rochester_TEK871-Cellular-Ultrasonic-Exi-100x100.jpg 100w" sizes="(max-width: 250px) 100vw, 250px" />

TEK871-1 US

TEK 871 Cellular Ultrasonic Exi

The TEK 871 Cellular Ultrasonic Exi is a configurable batter...

<img loading="lazy" width="250" height="250" src="https://tekelek.com/wp-content/uploads/2024/08/6_Rochester_TEK811-Cellular-Ultrasonic-New-Logo-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2024/08/6_Rochester_TEK811-Cellular-Ultrasonic-New-Logo-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2024/08/6_Rochester_TEK811-Cellular-Ultrasonic-New-Logo-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2024/08/6_Rochester_TEK811-Cellular-Ultrasonic-New-Logo-500x500.jpg 500w, https://tekelek.com/wp-content/uploads/2024/08/6_Rochester_TEK811-Cellular-Ultrasonic-New-Logo-100x100.jpg 100w" 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...

<img loading="lazy" width="250" height="250" src="https://tekelek.com/wp-content/uploads/2024/08/6_Rochester_TEK811-Cellular-Ultrasonic-New-Logo-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2024/08/6_Rochester_TEK811-Cellular-Ultrasonic-New-Logo-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2024/08/6_Rochester_TEK811-Cellular-Ultrasonic-New-Logo-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2024/08/6_Rochester_TEK811-Cellular-Ultrasonic-New-Logo-500x500.jpg 500w, https://tekelek.com/wp-content/uploads/2024/08/6_Rochester_TEK811-Cellular-Ultrasonic-New-Logo-100x100.jpg 100w" sizes="(max-width: 250px) 100vw, 250px" />

TEK733 US

TEK 733 3G GSM Sensor US

Our TEK 733 3G GSM Sensor is a flexible and configurable bat...

Liquid Level Sensor

TEK766 US

TEK 766 LoRa Ultrasonic EU (868 MHz)

Our LoRa ultrasonic tank level gauge is a flexible and confi...

TEK766

TEK 766 LoRa Ultrasonic Monitor (868 MHz)

Our Ultrasonic LoRaWAN liquid level sensor is a flexible an...

<img loading="lazy" width="250" height="250" src="https://tekelek.com/wp-content/uploads/2024/08/TEK-750-WiFi-Monitor-Rochester-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2024/08/TEK-750-WiFi-Monitor-Rochester-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2024/08/TEK-750-WiFi-Monitor-Rochester-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2024/08/TEK-750-WiFi-Monitor-Rochester-500x500.jpg 500w, https://tekelek.com/wp-content/uploads/2024/08/TEK-750-WiFi-Monitor-Rochester-100x100.jpg 100w" sizes="(max-width: 250px) 100vw, 250px" />

TEK750

TEK 750 Wi-Fi Ultrasonic

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

<img loading="lazy" width="250" height="250" src="https://tekelek.com/wp-content/uploads/2024/08/TEK-750-WiFi-Monitor-Rochester-250x250.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" decoding="async" srcset="https://tekelek.com/wp-content/uploads/2024/08/TEK-750-WiFi-Monitor-Rochester-250x250.jpg 250w, https://tekelek.com/wp-content/uploads/2024/08/TEK-750-WiFi-Monitor-Rochester-150x150.jpg 150w, https://tekelek.com/wp-content/uploads/2024/08/TEK-750-WiFi-Monitor-Rochester-500x500.jpg 500w, https://tekelek.com/wp-content/uploads/2024/08/TEK-750-WiFi-Monitor-Rochester-100x100.jpg 100w" sizes="(max-width: 250px) 100vw, 250px" />

TEK750 US

TEK 750 Wi-Fi Ultrasonic

Our TEK 750 Wi-Fi Ultrasonic Monitor is a flexible and conf...