SKU: TH1291
The MB7850 TankSensor ultrasonic sensor offers 1 cm resolution and a ~4Hz read rate, making it suitable for precise distance measurement applications. The sensor operates at 42kHz, effectively measuring distances to objects with a 5-cm minimum range and a 5-meter maximum range. It is RoHS compliant and provides multiple output options, including analog voltage, serial communication, and an analog envelope for signal processing and troubleshooting.
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The MB7850 TankSensor ultrasonic sensor offers 1 cm resolution and a ~4Hz read rate, making it suitable for precise distance measurement applications. The sensor operates at 42kHz, effectively measuring distances to objects with a 5-cm minimum range and a 5-meter maximum range. It is RoHS compliant and provides multiple output options, including analog voltage, serial communication, and an analog envelope for signal processing and troubleshooting.
The sensor functions on a low-power design, requiring an operating voltage between 3.0V to 5.5V and consuming an average current of only 1.8mA. Designed to be lightweight and integrates seamlessly into various projects. It operates reliably in extreme temperatures, from -40˚C to +65˚C (-40˚F to +149˚F).
Please refer the table below and contact our support, if you would like to order other than the base variant.
For more details please refer the OEM website for reference. (Click Here)
Technical specification for MaxBotix MB7850 Ultrasonic TankSensor.
| Resolution | 1 cm |
|---|---|
| Read Rate | ~4Hz |
| Frequency | 42kHz Ultrasonic sensor measures distance to objects |
| Compliance | RoHS Compliant |
| Sensor Outputs | Analog Voltage, Serial, Analog Envelope |
| Operating Voltage | 3.0-5.5V |
| Current Requirement | Low 1.8mA average current |
| Weight | Light weight module |
| Design | Designed for easy integration into your project or product |
| Operational Temperature | -40˚C to +65˚C (-40˚F to +149˚F) |
| Calibration | Real-time automatic calibration (voltage, humidity, ambient noise) |
| Firmware Filtering | Better noise tolerance and clutter rejection |
| MTBF | 20+ Years Mean Time Between Failure |
| Weather Resistance | Weather Resistant (IP67), optional Chemical Resistant F-Option |
| Sensor Connection | Matches standard electrical 3/4-inch PVC pipe fittings (3/4″ National Pipe Thread Straight) |
| Horn Opening | Matches standard 2-inch PVC pipe fittings (2″ National Pipe Thread Straight) |
| Stability Filter | Rejects occasional anomalous readings |
| Signal Detection | Detects the largest signal return in the field of view |
| Dynamic Range | Uses the complete dynamic range of the sensor, selects next smallest target if no large targets are present |
| Object Detection | Can range large objects behind small obstructions |
| Analog Envelope Output | Easy troubleshooting and signal processing |
| Maximum Range | 500 cm (196 inches) |
| Detection Zone | Long range, narrow detection zone |
Pinout for MaxBotix MB7850 Ultrasonic TankSensor.
| Pin | Name | Function | Standard Wire Color |
|---|---|---|---|
| 1 | RX | Serial Receive | White |
| 2 | AE | Real time analog envelope output of the acoustic waveform | Orange |
| 3 | AV | Analog Voltage | Brown |
| 4 | FREERUN/ TRIGGER |
Pull HIGH or let float for Freerun, Pull LOW to prevent ranging. Pull HIGH for atleast 20uS to command a single range reading. | Green |
| 5 | TX | Serial Transmit | Blue |
| 6 | V+ | Power Supply | Red |
| 7 | GND | Ground—Return for the DC power supply. GND (& V+) must be ripple and noise free for best operation. | Black |
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