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Chronograph

the Pro Chronos are very solid units. a step up from the shooting Chronys


I plan on testing the new Caldwell unit soon.
 
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For years I just did a SWAG on "expected" velocity per available data but until I got a ProChrono "Digital" (I don't have the USB interface) and actually tested the loadings did I know my true results (velocity).

It really came to being when attempting to work up subsonic loadings that were just under the threshold of a sonic boom. And even more so when using bulk industrial (no name) powder that I was given a "guide" of another similar named powder to use data.

Muzzle blast will affect the ProChrono, so you have to move it out a tad to avoid reading errors. Light has an impact on reading too. With a reasonable amount of ambient sunlight it works fine. It states florescent lights, standard in most indoor ranges will give you errors but if I recall there is some adapter you may purchase to allow use with florescent lighting.

I use a camera tri-pod to set it up on. It has a multitude of functions. In bright sun, the supplies shade screens/rods work well. It has a jack port to allow more data manipulation and remote control access for those so inclined but I have not used it.

I came here (ODT reloading) and posed the "Which Chronograph" question and this was the one that many recommended. I have not been disappointed, quite the contrary and I'm very pleased with it.

The link you included has the digital pack included and runs around $50. So you save about $7 getting it in a package if that's your desire.

ProChrono Digital Chronograph measures velocities between 22 and 7000 feet per second, records 9 strings of fire with review of 99 shots each and computes statistics for each string (high, low, average, number of shots, standard deviation and extreme spread). Other features allow you to delete the current shot or string, and you can switch from standard to metric measurements. Chronograph includes plastic diffusers, 4 rods and is powered by a 9 volt battery (not included). This chronograph has a mounting hole thread for a ¼x20 mount.


$98 with free shipping.
http://www.amazon.com/Competition-Electronics-ProChrono-Digital-Chronograph/dp/B0028MTBJ4/ref=sr_1_1?ie=UTF8&qid=1417689170&sr=8-1&keywords=ProChrono

$99 + shipping.
http://www.midwayusa.com/product/852429/competition-electronics-prochrono-digital-chronograph?cm_vc=ProductFinding


Edit:

I found the $59 lighting "adapter", it's actually a light kit that attaches to the rods, instead of the sky screens.
http://www.amazon.com/Competition-Electronics-Lighting-ProChrono-Chronographs/dp/B0028POEHU
 
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I have used the comp El for years and it works fine, i do currently use the magneto speed which is faster for me to set up at the range (Don't have to wait for the range to go cold) and is more accurate but if you only use it a couple of times a year the Comp will serve your needs
 

Went to the range yesterday with RamRoddoc, I wanted to compare our chronographs since he has the one your interested in and I have the Master Chrono model http://www.amazon.com/Shooting-Chrony-7000099-F1-Chronograph/dp/B001R6B06E/ref=sr_1_2?ie=UTF8&qid=1418374192&sr=8-2&keywords=f1+chrony

Setting his chronograph directly inline with mine and as close as we could get them I fired a number of rounds over them to see how much difference there was. They never read more than 20 fps from each other and sometimes one would read higher or lower than the other and that seemed random. I think you'd be fine with either, both worked great.
 
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