A picture's worth 1000 words. . .

Nick_C_S

so now you have 2 chronys? Man shoots chrony and it multiplies. News at 11... LOL. Thats great news for you!:D
 
nick,

Welcome to the club. I've done two, one with a 30-06 which just creased the metal box but left the sensors intact (which I continue to use and works just fine) and one whose LED screen was smacked by a shotgun wad and had to be replaced. If you get five chrono's you'll make Ace.

best wishes- oldandslow
 
It's easy to snicker a bit at, but from what I can tell, it is just a matter of time until it happens to anyone that owns one. It has been my fear since I started using one about year ago to test reloads. I have a small star - like a windshield ding - in mine that I got on my second time out using it. Still trying to figure out how that happened.

It is a useful, fun, and somewhat expensive toy that needs to be bought with the understanding that it is probably disposable.
 
The frustrating part about it was that the situation was virtually forcing me to shoot it. You see the two bullet holes. . . I guarantee that there were a good 20+ shots within 2" of the two that hit. My aim was good. For some reason, the only way I could get readings was to send the bullets right over the optical sensors. And all I did to make the chronograph start doing that is switch guns.
 
Nick,

Different bullet coloring can be a factor, depending on the light. Take a look at this page about the CED M2 chronograph. Scroll down about 3/4 of the way and there is a section titled, "Variables that will effect results are as follows:". Under it is a list of 11 items. 5, 6, and 10 are specific to the CED chronographs, but the rest are generally applicable to all.
 
The chronograph, and both diffusers were in direct sunlight (as I always configure it).

The two bullets tested were a Rainer 148gn plated DEWC; and a Speer 110gn GDHP SB. Both recorded flawlessly through my M67 4"; then promptly wouldn't read through my M60 1.875". Odd.
 
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