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|     Written By: Bob Gross, CEO of MaxBotix Inc.     |     DatePosted: 09-28-2012     |
HRXL-MaxSonar-WR, HRLV-MaxSonar-EZ Wow! We have come out of a wonderful spring and summer of innovation.

We just conducted an engineering test of the accuracy of our lowest-cost line of high-resolution sensors, the HRLV-MaxSonar-EZ. The two graphs show 1000 distance measurements each to a bar target at 500mm and 1000mm respectively.

The test demonstrates how accurately our sensors measure distance, and takes into account the part-to-part consistency, the full operating voltage range, and the reading-to-reading stability. The measured accuracy results speak for themselves. As CEO of MaxBotix Inc., I could not be more pleased with these test results.

Chart 500mm    Chart 1000mm

Graph Generation

A random sampling of 250 rangefinders were selected, (25 of each part number). For this test, the sensors measured the range to a 1” width 3' long bar when powered at: 2.5V, 3.3V, 3.9V, and 5V. This resulted in 1000 range measurements for each distance. The mode of each range reading was recorded. The standard deviation of the reading-to-reading stability was 0.3mm to 0.7mm typically, and was always less than 1mm. (What this means in layman’s terms is that the sensor's output never drifted more than three millimeters from the center reading, and typically was within one or two millimeters.) The modes were 500mm (exactly correct) and 1000mm (exactly correct). The means were 499.3mm (0.7mm low) and 1000.5mm (0.5mm high). The standard deviations were 2.3mm and 2.6mm respectively.
What Customers Say

In addition, our customers are noticing just how much better our new products are. Let me use two examples.

One company uses our product to continuously measure the distance to the ground on trucks moving at full highway speeds. While our 1cm resolution product, the MB7060, worked wonderfully, sometimes road noise was high enough to cause an occasional incorrect distance reading. Swapping out the MB7060 with our MB7360, eliminated all incorrect readings. Even though the millimeter resolution and temperature compensation was a plus, the greatly improved noise handling of this sensor made them a happy customer!

The next example is one system integrator testing our HRXL-MaxSonar-WR products for accuracy over temperature. They pleasantly discovered that in their setup, our sensor to sensor variation was generally less than two millimeters, and the reading-to-reading stability was better than plus or minus two millimeters. Only during fast temperature sweeps did they notice (and they expected this) that the thermal lag caused an offset of three to four millimeters, until the sensor and air stabilized at the new temperature. They recommend the evaluation of our HRXL-MaxSonar-WR to their full customer base.

Additionally, for the unmanned aerial vehicle (UAV) crowd, we introduced the I2CXL-MaxSonar-EZ lineup, allowing easy digital communication to multiple sensors. And for the users that desire side by side kiosk use (such as for HIPAA requirements), we have our ProxSonar line, where multiple sensors can operate together, sensing people reliably, without issue.

Our complete company profile can be viewed here.

Author: Kathy Kostal  Date: 08-31-2016
Inc 5000 Maxbotix Logo Inc. Magazine Unveils 35th Annual List of America's Fastest Growing Private Companies–the Inc. 5000. MaxBotix Inc., Ranks No. 1752 on the 2016 Inc. 5000 with Three–Year Sales Growth of 213%.
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Author: Cody Carlson  Date: 08-02-2016
Raspberry Pi 2 board MaxSonar sensors offer a variety of outputs including TTL serial data. This tutorial guides you through the process of setting up your Raspberry Pi 3 with a MaxBotix sensor. Click here for full article.
Author: Scott Wielenberg  Date: 07-26-2016
Full Horn Housing MaxBotix offers an expanded range of packaging options for many of our sensors. Each option provides unique benefits to certain mounting integrations. This article provides a brief overview of each option.
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Author: Scott Wielenberg  Date: 07-18-2016
Sensor is Tested When providing support, our technical support team may determine that further testing at our facility is the best way to help resolve the issue that you are facing. At this point, they will start the Return Merchandise Authorization (RMA) process. This article will explain what you can expect as your ultrasonic sensor travels through our RMA process.
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Author: Scott Wielenberg  Date: 07-11-2016
Typical Wall Pipe Many customers have requested the option to mount an ultrasonic sensor in a pipe. During the testing and development cycle, we discovered a number of considerations and requirements that must be met for the application to be successful. When all of these are met, a user may be able to achieve the desired level of success for measuring the liquid level inside of a pipe.
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Author: Jenney Grover  Date: 06-28-2016
one of the options for outputs On April 19th, we welcomed our supporters to join us for the Grand Opening of the Build Out. Bob and Nita Gross gave a tour of the build out and their vision for the space. We continue to be in awe of the support from our community, our employees, our distributors, and our customers. Thank you for the many years of support, and we look forward to serving you in the years to come.
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