MaxBotix MB7851-B20 Ultrasonic Tank Level Sensor - RS232/TTL Serial & Analog Voltage Output
The MaxBotix MB7851-B20 is a high-performance ultrasonic tank level sensor designed for industrial liquid level monitoring. It features a 3/4″ NPT mounting thread, operates from 3V to 5.5V, and provides simultaneous RS232/TTL serial and analog voltage outputs for seamless integration with PLCs, data loggers, and microcontrollers like Arduino.
Features
- High-performance ultrasonic sensor for precise liquid level detection from 50 mm to 5000 mm.
- Simultaneous RS232/TTL serial (9600 baud) and scaled analog voltage outputs for flexible system integration.
- Industrial-grade construction with 3/4″ NPT mounting thread and operation from –40°C to +65°C.
- Advanced noise rejection algorithms and real-time auto-calibration for reliable readings in acoustically noisy environments.
- Low power consumption with a 3V to 5.5V supply and an average current draw of 1.8 mA.
Out of stock
The MaxBotix MB7851-B20 utilizes a 42 kHz ultrasonic transducer for non-contact liquid level sensing in tanks, barrels, and bins. Its narrow beam pattern and high acoustic power output ensure reliable detection even in containers with internal obstructions. The sensor incorporates real-time waveform signature analysis and automatic sensitivity adjustment to provide virtually noise-free distance readings.
Factory-calibrated for long-range detection zones, the MB7851-B20 offers a 1 mm resolution and a 1.95 Hz read rate. It features a unique “teaching” mode via serial communication, allowing it to learn the acoustic profile of an empty container, which enhances accuracy in complex environments. The sensor is designed for continuous free-run operation or triggered measurement on demand.
Additional Information
| Weight | 0.092 kg |
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