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  5. AXsensor - Measurement of Liquid Levels ...

AXsensor - Measurement of Liquid Levels for Distribution

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The AXsensor Liquid Level Monitoring System is designed to measure liquid levels with precision and efficiency. It operates by emitting a low-frequency acoustic pulse across a waveguide to assess the surface level of liquid stored in tanks. This system is energy-efficient, powered by a lithium battery that can last between 3 to 10 years, and minimizes electronic complexity by positioning all electronics outside the tank. The sensor boasts a compact design with dimensions of 110 x 80 x 25 mm and does not require additional electrical protection due to its battery-powered nature. Capable of measuring levels from 0-3 meters, it provides a resolution of 0.1 mm with an accuracy of +/- 5 mm under normal conditions. Communication is facilitated via LoRaWAN and Sigfox networks, ensuring reliable data transmission over long distances. This device is suitable for various applications, including water and sewage monitoring, supported by its robust design able to operate in temperatures ranging from -20 to +50 degrees Celsius.
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  • Wireless connection
  • Alarms mobile, tablet or computer
  • Simple installation – plug’n’play
  • No external power supply
  • Measures up to the tank top
  • SLS – Sonic Level Sensing
  • Robust real-time measurement
  • Works for most liquids

The liquid level monitor AXsensor uses an acoustic pulse with low frequency and extremely low power consumption. The AXsensor is powered by batteries with a running time of 3-10 years. All electronics are outside the tank and the AXsensor transmits an acoustic pulse, through a measuring tube (waveguide) to the surface of the liquid, which measures the time calibrated for temperature. The AXsensor has a built-in antenna that communicates using the LoRa (LPWAN) and Sigfox network.

 

  • Smart, simple and robust
  • Reliable, maintenance-free and cost-effective
  • Easy installation, wireless connection without cable installation – plug’n’play
  • IoT (Internet of Things) – Cloud service that can be read on mobile, tablet or computer
  • Measures all the way up in the tube/tank roof (no dead band)
  • Reliable measurement even in foam and turbulence. Nor is it disturbed by physical obstacles (stag / tubes / beams)
  • The length of the measuring tube is completely adaptable
  • No need for calibration during installation

 

Operation range

0-3 meters. Measures from 0 – 100 %, No dead band

Performance

Resolution 0,1 mm
Accuracy +/- 5 mm (normal conditions)

Dimensions

110 x 80 x 25mm

Connectivity

LoRaWAN (Long Range Wide Area Network).
The AXsensor mainly use LoRaWAN to communicate.
Read more here

Sigfox – LPWAN (Low Power Wide Area Network)
see further Sigfox website for current and planned coverage
www.sigfox.com

Battery

1 pc. AA Lithium – 3,6 V

Design

Enclosure ABS/PC
Measuring pipe: PE or any other material that is suitable

Electrical protection

Not necessary in battery driven devices

Standard connection of sensor housing (adaptions)

G ¾ inch (R20) BSP (Whitworth)

Temperature Range for operating and storage

-20 – + 50 C