



Tekelek
TEK 766 LoRa Ultrasonic EU (868 MHz)
Backorder: 1 - 3 weeks
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Request a quote, order via purchase order, and access volume pricing for larger deployments.
Business Sales →The Tekelek TEK766 EU is a battery-powered ultrasonic tank level sensor with an integrated LoRaWAN® radio. It provides accurate and reliable remote monitoring of liquid levels, making it ideal for tanks and containers where regular manual level checks are impractical.
Using ultrasonic technology, the sensor measures the liquid level without coming into direct contact with the contents of the tank. Measurement data can be transmitted wirelessly over a LoRaWAN network to your IoT platform, enabling both periodic and continuous monitoring.
Trackpac.io — Your Monitoring Platform
The Dragino LHT65N is a LoRaWAN device, which means it needs a network server and a dashboard to turn raw data into a usable view. That's what Trackpac.io provides and it comes ready out of the box:
- Scan the QR code included with your device to register it on Trackpac.io
- €18 per year per device — covers LoRaWAN connectivity, the live dashboard, alerts, and data storage
- No infrastructure needed — Trackpac handles the network server, data routing, and visualisation. You just watch the map.
Suitable for a wide range of liquids
The TEK766 EU can be used for monitoring many different types of liquids, including:
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Fuel, oil, kerosene and diesel
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Lubricants
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Additives
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DEF / AdBlue
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Coolants
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Water
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Waste oil
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Wastewater
For certain corrosive or hazardous chemicals, compatibility should be confirmed with Tekelek before use.
Key benefits
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Accurate ultrasonic level measurement
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Integrated LoRaWAN® connectivity
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Remote and continuous tank level monitoring
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High and low level alarms
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Remote configuration
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Easy installation
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Long battery life of up to 14 years, depending on configuration and usage
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Suitable for large-scale deployments
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Up to 15 km range, depending on environmental and network conditions
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CE and RoHS compliant
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Helps optimize deliveries, collections and logistics
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Reduces the need for manual tank inspections
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Supports more efficient inventory management
Optimize your tank management
The TEK766 EU allows you to keep track of tank levels remotely and receive regular updates without having to physically visit the installation location. This can help prevent unexpected shortages, optimize delivery schedules and improve overall operational efficiency.
For businesses managing multiple tanks, the LoRaWAN connectivity makes it possible to deploy sensors at different locations and collect the data centrally through your preferred LoRaWAN IoT platform.
The sensor can be configured remotely, making it particularly suitable for larger deployments where accessing individual tanks can be difficult or time-consuming.
Typical applications
The Tekelek TEK766 EU can be used for:
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Fuel tank monitoring
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Diesel and heating oil tanks
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Water tanks
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Wastewater tanks
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Industrial liquid storage
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Agricultural tanks
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Remote inventory monitoring
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Automated delivery planning
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Low-level and high-level alerts
Shipping
We aim to ship your order as quickly as possible, usually within 1–3 working days, with same-day shipping for orders placed before 14:00 on workdays when items are in stock. Please note that orders are not processed on Dutch public holidays. For more information see our Shipping Policy.
We're here to help
Got any questions?
If you have any questions regarding any of our products and services you can give us a call or send an email to support@hexaspot.com




















































































