How to Use an Ultrasonic Rangefinder

One of the latest developments in rangefinder technology is the use of ultrasound as a medium of measurement. Ultrasound waves are emitted by the rangefinder and return to the device to help determine the distance from the targeted object. Your use of an ultrasonic rangefinder can help you get around a variety of obstacles found in traditional devices.

Instructions

Difficulty: Moderately Easy

Things You’ll Need:

• Carrying case
• Extra batteries
• AC adapter

Use an Ultrasonic Rangefinder

1. Maintain a steady hand over your ultrasonic rangefinder to get accurate readings. Ultrasonic devices are sensitive to excessive movement due to their unique medium for measuring distances. You should use a table or tripod while using your rangefinder to avoid human error during each use.
2. Increase the ultrasonic frequency on your rangefinder to receive finer measurements of distance. You should start every measurement at a lower frequency level in order to get a general distance measurement. When targeting points within 100 feet of these devices, most ultrasonic rangefinders will allow you to get accurate measurements down to the inch.
3. Clear a path between your rangefinder and your target before each use to avoid muddled readings. Most ultrasonic rangefinders do not feature a visual component for alignment, which means you must inspect the wave path personally before activation. You should walk the potential wave path when possible to ensure accuracy.
4. Pack up your ultrasonic rangefinder after each use to avoid damaging internal parts. Manufacturers of ultrasonic devices tend to value accuracy and light weight over protective packages that increase size. Use the included carrying case and clean the device with soft towels or cloth to prevent irreparable harm.
5. Test your ultrasonic device between uses to avoid failure in the field. When performing tests, try to use outlet power to conserve your batteries. Most rangefinders feature battery power, but there are a few devices that have AC adapters that allow for electrical charges.
6. Experiment with incremental measurements and other features on your rangefinder immediately after purchase. You can utilize known distances, like your garage or living room, to test correct calibration.

Tips & Warnings

• Find an ultrasonic rangefinder that connects easily to a monitor or computer. There are a variety of rudimentary rangefinders that use ultrasonic waves effectively but lack complimentary equipment. You should look for a rangefinder that has a USB connection or other means of translating readings into a computer program.
• Prepare an alternative rangefinding device if you anticipate measurements involving long distances. The accuracy of commercial ultrasonic rangefinders is drastically reduced beyond 100 yards, unlike its digital counterpart. Keep a traditional rangefinder nearby to check ultrasonic measurements at medium and long distances.

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