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Description: This outdoor sensor provides very short to long distance detection and ranging in a compact, robust PVC housing. The ultrasonic sensor meets the IP67 water intrusion standard and matches standard electrical 3/4-inch PVC pipe fittings.

High output acoustic power combined with continuously variable gain, real-time background automatic calibration, real-time waveform signature analysis, and noise rejection algorithms results in virtually noise free distance readings. This holds true even in the presence of many of the various acoustic or electrical noise sources. The HRXL-MaxSonar-WR sensors are factory calibrated to match narrow sensor beam patterns and provide reliable long range detection zones.

Features:

  • Resolution of 1mm
  • 7.5Hz read rate
  • Internal temperature compensation
  • 42kHz ultrasonic sensor measures distance to objects
  • Read from all 3 sensor outputs: Analog Voltage, Serial, Pulse Width
  • Virtually no sensor dead zone, objects closer than 30cm range as 30cm
  • Operates from 2.7-5.5V
  • Low 2.9mA average current requirement
  • Small, light weight module
  • Designed for easy integration into your project or product
  • Operational temperature -40°C to +65°C (-40°F to +149°F)
  • Realtime automatic calibration (voltage, humidity, and ambient noise)
  • Firmware filtering for excellent noise tolerance and clutter rejection
  • Weather resistant (IP67), optional chemical resistant F-Option
  • Matches standard electrical 3/4-inch PVC pipe fittings for easy mounting (3/4-inch National Pipe Thread Straight)
  • Long narrow detection zone
  • RS232 Serial Output

Documents:

Checkout Mikey Sklar's flame-based trampoline, the high-lighter, using the EZ1!

Replaces: SEN-9009SEN-09496

Comments 6 comments

  • For those who don’t want to search the datasheet, the max range is 5 meters, and it returns the distance to the closest target it sees.

  • Hello, this is Tom Bonar from MaxBotix Inc. We have recently designed and released a sensor that has snow depth measurement as one of the recommended application uses. Like shardbearer stated, typically ultrasonic sensors are not recommended with soft fluffy targets.

    The new MB7363 (http://maxbotix.com/Ultrasonic_Sensors/MB7363.htm) sensor has a high acoustic gain, this makes the sensor recommended for applications that have minimal ultrasonic sound reflected back to the sensor. With snow falling in Minnesota, our engineers are running this sensor outside our facility and have found the sensor to have very good results even with light snow fall.

    Our engineers recommend that the HR-MaxTemp be used in conjunction with the MB7363 for the best accuracy. When mounting the HR-MaxTemp you will want to make sure that the mounting is between the sensor and the ground.

    Please let me know if you have any questions.

    Best regards,

    Tom Bonar Technical Support of MaxBotix Inc. Phone: (218) 454-0766 Fax: (218) 454-0768 Email: thomas@maxbotix.com Web: www.maxbotix.com Follow us on Facebook at: http://www.facebook.com/pages/MaxBotix-Inc/125159384204938

    Technical support and sales are subject to the terms and conditions listed on our website at http://www.maxbotix.com/ MaxBotix, MaxSonar,EZ0, EZ1, EZ2, EZ3, EZ4, AE0, AE1, AE2, AE3, AE4, WR1, WRA1, and WRLA1 are trademarks of MaxBotix Inc.

  • Are these suitable for snow depth monitoring?

    • The 7389 is the appropriate choice for snow depth monitoring. Its filter is set to ignore smaller targets and will only report the range to the largest. I’ve got a few stations using the 7389, just need to make sure you shield the external temperature sensor from the sun.

    • Usually ultrasonic sensors don’t work too well with soft fluffy stuff. Maybe try the Sharp Infrared sensor? https://www.sparkfun.com/products/8958

  • “Virtually no sensor dead zone, objects closer than 30cm range as 30cm” … ?? Edit: Oops, sorry i might have read it too fast. It means any object closer then 30cm will be read as 30cm , right? That probably makes not very good for robots.. :/


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