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High Resolution Ultrasonic Range Finder

High Resolution Ultrasonic Range Finder

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  • Product Code: SN-HRLV-EZ1
  • Warranty Period: 12 months
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Another improvement made by MaxBotix ultrasonic range finders. Extremely easy to use, no ping and measuring time is needed as there are 3 outputs. The easiest method is to use analog output. We are pleased with the size, quality, and ease of use of this little range finder. The serial interface is a bit odd (it's RS232 instead of standard TTL), but the PWM and Analog interfaces will allow any micro to listen easily enough. This new version improve the resolution to 1mm! Yes, it can detect 1mm distance changes. We are surprise too, and it still can detect up to 5000mm which is 5 meters.

  • 42kHz Ultrasonic sensor
  • Operates from 2.5-5.5V
  • Low 3.1mA average current requirement
  • 10Hz reading rate
  • Analog Voltage, RS232 or TTL Serial, and Pulse Width
  • Small, light weight module
  • Detection range: 1mm to 5 meters (5000mm)
  • Distance detection range: 30cm to 5 meters (500 cm)
  • This is MB1013
Please do checkout the datasheet before you use it. Basically is the same as existing LV-EZ1 :)
  • Fast Test - Using multimeter and 5V power to test the Ultrasonic is working or?


What is the FOV of this sensor?
( Douglas Lee , 15/07/2020 )
Hi, you may drop an email to for technical assistance. Our team will try our best to reply to you as soon as possible. Thanks :)
Hi, is this sensor can use with arduino uno or any stm32 ic? ( Nadia, 02/07/2020 )
Hi, it is compatible with Arduino but for STM32 IC, our technical team has not tried on that. You may drop an email to for further detail. Thanks :)
hi this sensor can be detect cracked of wall..thank you ( vidya shini, 16/02/2018 )
The main purpose of this sensor is to measure distance (range finder) in high resolution. We not sure for crack monitoring. For further questions, please visit to our technical forum for similar question or post your question there, as this session is only for short inquiry. Thanks.
Hello there, whats the different between the detection range and distance of detection? Let say if i wan to detect something thats 5cm away. Is it able to do it? ( Kipli, 19/11/2017 )
Hi, this sensor can detect between 30cm to 5 meters (500 cm). Thanks.
hi...if I would like to measure the height of water inside a tank and I place the sensor right above the tank....will the surface of the tank obstruct my reading? ( steven, 10/10/2016 )


I am not really sure how to do you place it. But it doesn't matter as long as you didn't block your sensor unless the obstacle or something that you want to detect.

If you have further question, you can ask at our technical forum, as this session is only for short inquiry. Thanks. :)

This sensor can produce output as analog? Result of graph amplitude with time. ( Leow, 12/01/2016 )

Hi, This sensor do has analog output. Thanks. :)

( Airul, 26/10/2015 )
Not answered yet.
Does it work under water (e.g. measuring distances from the tank bottom or other objects within water )? ( Abdullah, 29/09/2015 )

Hi. It is not waterproof sensor. 

Is the range of ultrasonic beam is affected during rain? And if it does, can you suggest type of ultrasonic sensor need to be used? ( ijam, 01/07/2015 )

You can refer to "MaxBotic FAQ" under attachment or here. It seems that this sensor can be used for outdoor environment. 

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DescriptionDate AddedSizeAction
Beam with Explanation03/02/2020N/ADownload
HRLV-EZ Datasheet03/02/2020N/ADownload
Maxbotix FAQ03/02/2020N/ADownload
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Tags: high, resolution, ultrasonic, range, finder, sensor sn-hrlv-ez1