Ultrasonic Fluid Sensor


The Tekelek LoRaWAN® fluid measurement sensor is ideal for smart waste management solutions.

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The Tekelek LoRaWAN® fluid measurement sensor is ideal for smart waste management solutions. Designed to reduce the cost of waste collection, the Tekelek LoRaWAN® fluid measurement sensor monitors fluid levels for greater operational efficiency.

The Tekelek 766 fluid sensor can be used to monitor fuel, water or waste oil levels. Utilising LoRaWAN® technology, the sensor can transmit data up to 15 km to a compatible gateway. With a battery life of up to 14 years, the Tekelek fluid level sensor offers a cost effective solution for large scale deployments.


  • LoRaWAN® Compliant
  • Ideal for measuring fluid waste such as:
    • Fuel – Oil, Kerosone, Diesel
    • Lubricants
    • Additives
    • DEF / AdBlue
    • Coolants
    • Water
    • Waste Oil
    • Wastewater
    • Selected Chemicals (contact us to find out more)
  • 24/7 monitoring
  • Optimise deliveries & collections
  • Remote Configurability
  • Easy to install
  • CE compliance & ROHS compliant
  • Up to 14 years battery life
  • Long range of up to 15 km
  • Up to 14 years battery life
  • Available to purchase with or without mounting bracket
  • External detachable antenna available to purchase separately for areas of poor network coverage or underground installations
  • For use in tanks, this product will require a multi-thread collar, available to purchase separately



Battery 3.6VLi-SOCl2 Size 2/3AA
Output Power Up to +14dBM (25mW)


Wireless Technology LoRaWAN®
Supported LoRaWAN® features LoRaWAN 1.0.2 compliant 125/250 KHz bands
Frequency Range 868 MHz nominal
Gauge Type Ultrasonic
Ultrasonic Range >12 cm to <400 cm (<5″ to <155″)


Weight 220g including battery
Dimensions 109mm (W) x 109mm (L) x 126mm (H)
Case Materials UV stabilised Polypropylene (compatible with Oil)
Operating temperature -20°C to +50°C (-4°F to +122°F)
Humidity 15% to 95% RH
Environmental Protection IP67 Rated

Key documents & information

Available Accessories:
Multi-Thread Collar: 18-0429
RRP: £13.50 + VAT

Discounted Trade Pricing: Contact us for trade pricing, to place an order or to discuss your IoT projects.

All of our products are available to customers throughout Europe. For more information on shipping costs, currency conversions and lead times, please contact our technical sales team.

Our technical sales team are also happy to advise customers on the best LoRaWAN Fluid Measurement sensors to suit specific project requirements.

Our experts are on hand to help you every step of the way
Lets talk

Additional information


Internal, External


With bracket, Without Bracket




Environmental Protection

IP67 Rated

Measurements Taken

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