SparkFun Electronics Commentsurn:uuid:214d0e4e-f1b1-d287-ce26-ac5b4c9f82492024-03-28T04:56:18-06:00SparkFun ElectronicsSubmariner pro on SEN-11309 - Ultrasonic Range Finder - HRLV-MaxSonar-EZ4Submariner prourn:uuid:d8d136e9-137d-5d9f-11fa-3eaa7c83c2cd2018-03-05T05:48:43-07:00<p>When you say weather proof does that mean waterproof?</p>
Customer #510722 on SEN-11309 - Ultrasonic Range Finder - HRLV-MaxSonar-EZ4Customer #510722urn:uuid:245deeb6-b27f-913f-2c38-7e4aa34a32af2014-01-19T23:20:08-07:00<p>Jim,
I enjoyed the Ultrasonic Sensors video and the seeing the sample project.<br>
You mentioned that you sell the ultrasonic transducers by themselves but I can't find them on the spark fun site. Should I search for something other than "ultrasonic"? Thanks</p>
Customer #420845 on SEN-11309 - Ultrasonic Range Finder - HRLV-MaxSonar-EZ4Customer #420845urn:uuid:ed52ce11-d4fd-5cb1-563e-493ad0c2bc312013-11-13T19:13:32-07:00<p>I have a project where I need to measure the foam level in a tube ~ 6 cm wide.
1. Would this sensor be able to detect the foam surface, or would it only sense the liquid surface? What if i float a pingpong ball on top of the foam?
2. Would the sides of the tube interfere? I'd be working pretty much in the minimum range i think.
Any other product that woud be better for this application?
Thanks, Svend.</p>
Toni_K on SEN-11309 - Ultrasonic Range Finder - HRLV-MaxSonar-EZ4Toni_Kurn:uuid:fbac8965-294b-126b-0107-e5b6fd8ab0dc2013-06-26T12:02:50-06:00<p>You want to avoid getting these in water. However, we do have a <a href="https://www.sparkfun.com/products/9496" rel="nofollow">weatherproof version</a> that would be more appropriate for that type of application.</p>
Customer #413349 on SEN-11309 - Ultrasonic Range Finder - HRLV-MaxSonar-EZ4Customer #413349urn:uuid:1735847a-1c20-cd2f-3146-78b93d5ece0a2013-06-26T10:22:47-06:00<p>I've been wanting to put one of these in a 3.75" tube to measure the level of a cistern... but I get readings from the side of the tube (it's about 2 yards long before you get to the actual tank). Even though the beam looks like it can handle that but I'm not sure if I'm missing anything....?<p>Also, I'm going to try this if no one has experience, but would putting the sensor in water kill it? (just the black round sensor part... not the breadboard part). It wouldn't be completely underwater, more just splashed while they're filling the cistern.</p></p>
MaxBotix Inc. on SEN-11309 - Ultrasonic Range Finder - HRLV-MaxSonar-EZ4MaxBotix Inc.urn:uuid:186c1f19-28be-2583-bf70-59e0cb32256a2013-01-09T09:10:24-07:00<p>Member #101637<p>Hello, this is Scott from MaxBotix Inc. I'm glad to support you. All MaxBotix Inc., employees are legally required to clarify their name and affiliation with MaxBotix Inc., in forum posts.</p><p>To answer the post...</p><p>From the datasheet:
Filtered Operation - Free-Run
The HRLV-MaxSonar-EZ uses an internal 2Hz bandwidth filter to process range data; which reports the latest range every
100mS or 10Hz. This improves the sensor’s performance for accuracy, noise rejection, and reading to reading stability.
The filtering in the free-run operation also permits additional acoustic and electrical noise tolerance</p><p>You should use triggered operation (Pin 4) to receive the fastest update rate. This will remove some of the advanced filtering so the 1mm resolution may not be as accurate or stable.</p><p>Best regards,</p><p>Scott Wielenberg
Technical Support & Sales
of MaxBotix Inc.
Phone: (218) 454-0766
Fax: (218) 454-0768
Email: scott@maxbotix.com
Web: www.maxbotix.com
Follow us on Facebook at: http://www.facebook.com/pages/MaxBotix-Inc/125159384204938</p><p>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.</p></p>
Customer #101637 on SEN-11309 - Ultrasonic Range Finder - HRLV-MaxSonar-EZ4Customer #101637urn:uuid:f2238b3d-5b57-3e61-d52d-f7896ed9cb472012-11-29T16:18:42-07:00<p>Do these things have a substantial lag in response time? I just purchase one of these and I jave a delay of between 0.5 and 1 second! I used the older Maxbotix sonars in the past with almost no lag time. Did I get a lemon?</p>
Customer #335798 on SEN-11309 - Ultrasonic Range Finder - HRLV-MaxSonar-EZ4Customer #335798urn:uuid:0d5d9251-fbf9-211a-7f90-27f03d2e5db02012-07-21T00:23:20-06:00<p>Well somehow I blew mine up, soooo.......</p>
BOLO_Mark_I on SEN-11309 - Ultrasonic Range Finder - HRLV-MaxSonar-EZ4BOLO_Mark_Iurn:uuid:d7ecfe25-c909-394f-5e6f-fdb7814e05502012-07-15T14:06:02-06:00<p>I am thinking of it as a "KEEP OUT" zone. Try to design your system to either physically or logically not consider data from within that zone.</p>
Far_Seeker on SEN-11309 - Ultrasonic Range Finder - HRLV-MaxSonar-EZ4Far_Seekerurn:uuid:14c33f38-74bd-809a-fb90-c6706e7194ea2012-06-15T12:54:21-06:00<p>Hmm, somewhat subjective... It's definitely an innacurate reading, but the object is still detected by the sensor. However, to me a "dead zone" would mean a region where the sensor doesn't detect an object at all (much like a cellular dead zone is a place a phone can't get a reliable signal).</p>
JSteiner on SEN-11309 - Ultrasonic Range Finder - HRLV-MaxSonar-EZ4JSteinerurn:uuid:7486a7f4-7f2f-04cf-4679-d17fe568e8422012-06-15T10:44:26-06:00<p>While the range measurement feature will not work for less than ~30cm as stated, the sensor will still detect down to ~1mm, as explained in the datasheet. If you just need to know if something is right in front of you, you can get down to 1mm, but you won't know exactly how far it is (just less than 30cm).</p>
Kevin Vermeer on SEN-11309 - Ultrasonic Range Finder - HRLV-MaxSonar-EZ4Kevin Vermeerurn:uuid:90213854-2ec3-ec09-4dbe-de2f30edacab2012-06-15T09:55:38-06:00<blockquote>
<p>with virtually no dead zone (although objects closer than 30 cm will typically range as 30 cm).</p>
<p>That is the definition of a dead zone.</p></blockquote>