Ultrasonic Tank Sensors

Discover the versatility and precision of our ultrasonic tank level sensor, an affordable solution for accurate liquid-level monitoring without contact. Engineered to simplify installation in challenging containers such as tanks, barrels, and bins, this sensor features a unique teach mode (available via serial communication) that allows it to learn the empty state of your specific container, ensuring reliable performance even with obstructions like corrugation. Built to withstand various environmental conditions, it offers high-resolution measurements from 50 mm to 5000 mm, supporting short to long-distance detection with a read rate of approximately 2Hz. Multiple output options—including real-time analog voltage, scaled analog signal, and serial communication in RS232 or TTL formats—make this ultrasonic tank level sensor adaptable to diverse applications and integration needs, providing precise, real-time liquid level data effortlessly.

  • MB7851 TankSensor - MaxBotix- MB7851-B20 - Ultrasonic Sensors

    MB7851 Ultrasonic Tank Level Sensor — 5 m Range, 1 mm Resolution

    MB7851 Ultrasonic Tank Level Sensor — 5 m Range, 1 mm Resolution

    MB7851 is a weather-resistant ultrasonic tank-level sensor with 1 mm resolution, 5 m max range, and ~2 Hz read rate. Output is selectable by wiring—RS232 or TTL serial, scaled analog voltage, or analog envelope; supply 3.0–5.5 VDC

    Near-field handling is built in: targets closer than 50 mm are reported as 50 mm for predictable readings.

    (Optional at purchase: 4–20 mA; requires 9–36 VDC and replaces standard outputs). 

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  • 16.5 Meter Range TankSensor

    MB7853 TankSensor

    MB7853 TankSensor

    NEW! This ultrasonic tank level sensor features a 1mm resolution with a minimum range of 300mm and a 16.5-meter maximum range and operates from 2.5V to 5V.  The sensor has the following outputs: RS232 & TTL Serial, analog voltage, analog envelope.

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    $124.65
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  • MB7850 TankSensor - MaxBotix- MB7850-B20 - Ultrasonic Sensors

    MB7850 TankSensor

    MB7850 TankSensor

    This ultrasonic tank level sensor features a 1cm resolution with a 5-cm minimum range and a 5-meter maximum range.  The sensor has the following outputs: RS232 & TTL Serial, analog voltage, analog envelope. 

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    $124.65
    $124.65
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  • 16.5 Meter Range TankSensor

    MB7854 TankSensor

    MB7854 TankSensor

    NEW! This ultrasonic tank level sensor features a 1mm resolution with a minimum range of 300mm and a 16.5-meter maximum range and operates from 5.5V to 40V.  The sensor has the following outputs: RS232 & TTL Serial, analog voltage, analog envelope. 

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    $124.65
    $124.65
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