Ultrasonic Monitor TEK-871

NB-IoT/CAT-M1/2G Intrinsically safe ultrasonic level sensor

Our Intrinsically safe ultrasonic 4G NB-IoT/CAT-M1 is a flexible and configurable battery operated liquid level sensor with an integrated Cellular modem supporting GSM (2G), LTE-CAT M1 & NB-IoT networks and GPS. The TEK-871 monitor is fully supported and connectable to the Timitoo Tank Monitoring Cloud.


• Liquid Level Ultrasonic level sensor
• Fuel – oil, Kerosene, Diesel
• Lubricants
• Additives
• Other hazardous/non hazardous
• DEF / Adblue
• Coolants
• Water
• Waste Oil
• Wastewater
• Chemicals
• Fixed, portable and underground tanks
• Ensure continued supply
• Optimize delivery or collections
• Spot and continuous inventory measurement

*This product may not be suitable for monitoring of certain corrosive and hazardous chemicals. List of product compatible chemicals to be verified with a Timitoo representative.


• Accurate, reliable tank level monitoring
• Programmable data reporting interval
• Remote configurable
• 28 slot logger with configurable logging interval
• Easy to install
• Minimum 1 year warranty
• CE Conformance, ROHS and PTCRB Compliant
• International Approvals
• Programmable alarms
• Full alert
• Empty alert
• Spill alert (bunded tanks)
• Fill alert
• Low and High levels
• 24/7 Monitoring
• Reports local temperature, radio signal strength, and battery level
• External antenna option for underground locations
• Mounting/attachment options – wall/pole