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SAR LabRadar Review

By Dean Roxby

It was a chance encounter with the engineer behind the intriguing LabRadar chronograph that led to this review. At SHOT 2017 I spoke with Mr. Guy Desbiens, the president of Infinition Inc., the maker of the LabRadar unit.

Marketed under the LabRadar brand name, it is made and assembled in Canada by Infinition Inc. Based in Trois Rivières, Quebec, Canada, Infinition has over 20 years’ experience with ballistic instrumentation radar systems for military users. Now this same Doppler radar technology is available to regular folks. (The Doppler effect is named after Austrian physicist Christian Doppler. It refers to the change in frequency of a constant signal or wave. The change in tone of a siren or train whistle as it passes by is a common example of the Doppler effect.)

The first thing I noticed as I unpacked the chronograph was that it is solid. It is molded from thick plastic, giving it a beefy feel rather than a flimsy sensation. Perhaps this is due to their military background.

There is a detailed 24-page manual included, and while the unit is simple to use once your settings are chosen, I would recommend that you read it. You will need to get familiar with the various buttons, then choose your preferences. These include velocity units (FPS, yards per second, MPH, M per second, or Km per hour), distance units, weight units, ranging distance, bullet weight, and so on. The same manual can be downloaded from the website as well (http://mylabradar.com).

The real beauty of this technology is its ease of set-up. Once you have entered all your parameters into the unit, it is simply positioned along side your firearm, pointed downrange, armed, and you are good to go.

The unit is triggered by the muzzle blast, so you will need to position it about one foot to the side of your muzzle. For airguns, there is an optional microphone available. For archery, set the Trigger Source parameter to Doppler. The reflected signal acts as the trigger in this case.

It transmits in the K-band, similar to police speed-trap radar. There are 12 different...

This article first appeared in Small Arms Review V21N6 (July 2017)
and was posted online on May 19, 2017

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