MaxBotix MB7040 Ultrasonic Sensor


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SKU: 970713
  1. Resolution of 1 cm
  2. Up to 40Hz reading rate
  3. Simple I2C bus interface
  4. Easy control of multiple sensors
  5. Control up to 127 sensors using two wires
  6. 42kHz Ultrasonic sensor measures distance to objects
  7. RoHS Compliant
  8. I2C Bus interface
  9. Operates from 3.0-5.5V


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Brand: Maxbotix
Category: MAXBOTIX Ultrasonic Sonar
Tags: Maxbotix, Ultrasonic, Sensors, Robotic Sensors, Weather Resistant, MaxSonar

The MaxBotix MB7040 Ultrasonic Sensor features an I2C interface. The sensors have high acoustic power output along with real-time auto-calibration for changing conditions that ensure users receive the most reliable ranging data for every reading taken. The I2CXL-MaxSonar-WR low power 3V – 5.5V operation provides very short to long-range detection and ranging, in a tiny and compact form factor. The I2CXL-MaxSonar-WR will typically detect objects from 0-cm to 765-cm and provide sonar range information from 20-cm out to 765-cm with 1-cm resolution. Objects from 0-cm (3-cm for the WRC) to 20-cm typically range as 20-cm.

Features of the weather-resistant MB7040, I2CXL-MaxSonar-WR, include centimeter resolution, short to long-distance detection, range information from 20cm to 765cm for the nearest detectable target, up to a 40Hz read rate, and an I2C interface.

The MB7040 from the I2CXL-MaxSonar-WR line of outdoor sensors is a rugged ultrasonic sensor component module. This sensor comes in a compact and robust PVC housing that meets the IP67 water intrusion standard and matches standard electrical 3/4‑inch PVC pipe fittings (this product has multiple housing options available).

The I2CXL-MaxSonar-WR sensors are factory calibrated to match narrow sensor beam patterns and provide reliable long-range detection zones.

In addition, the MB7040 offers virtually noise-free distance readings through the use of high-output acoustic power combined with continuously variable gain, real‑time background automatic calibration, real‑time waveform signature analysis, and noise rejection algorithms. This holds true even in the presence of many of the various acoustic or electrical noise sources.

Note: This module doesn’t come with F-option(equips chemically inert material’s covering to the sensor) or P-option(applies Parylene coating on the Aluminum transducer) protection. To buy Maxbotix MB7052 XL-MaxSonar-WRM1 ultrasonic sensor with F-option or P-option please contact us at Robu. in the support channel.

ROBU.IN is an official distributor of MaxBotix Ultrasonic Sensors in India. Check out our MaxBotix Ultrasonic Sensors now!


  1. Acoustic and electric noise resistance
  2.  Low cost
  3.  Quality controlled beam characteristics
  4.  Ranging is triggered externally
  5.  Fast measurement cycle
  6.  No power-up calibration required
  7.  Easy mounting
  8. Reliable and stable range data
  9.  Fast measurement cycle
  10.  Perfect for when objects may be directly in front of the sensor during power-up

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Package includes:

1 x MaxBotix MB7040 Ultrasonic Sensor

Read Rate (Hz)

up to 40 Hz

Max. Sensing Distance (cm)

765 cm

Operating Temperature (°C)

40 to 70

Outer Diameter(mm)


Nut Size (mm)




Length (mm):


Weight (g):


Shipping Weight 0.06 kg
Shipping Dimensions 12 × 9 × 1 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: India