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Rifles, Reloading, Optics, Equipment
Reloading
Best Cheap Chrono??
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<blockquote data-quote="Pdvdh" data-source="post: 727016" data-attributes="member: 4191"><p>Yeah, I understand, and that's really all I was shooting for. It's difficult to know what everyones' intended use of a chronograph entails. Which means it's also difficult to provide meaningful feedback to questions unless the specifics of the intended use are defined. </p><p></p><p>If a person isn't too concerned about the legitimacy (accuracy) of the recorded velocities, and the shot to shot dependability of those recorded velocities (precision), then a chronograph that provides a number most of the time may be acceptable. </p><p></p><p>Any chronograph user should understand that all chronographs will ocassionally produce bad data. Sometimes the bad data is plainfully obvious. For the times when the error is not plainfully obvious, the only way to determine whether or not the data is valid, or if the chronograph burped in the heat of the action, is to have a second confirmatory recorded velocity. As I've posted in the past, this can be accomplished by setting up two chronographs in tandem such that both units record each and every shot fired, or by purchasing an Oehler 35P with the proof channel, which provides the second confirmatory recorded velocity with each and every shot.</p><p></p><p>Anybody posting comments in response to the original poster's question that hasn't used their chronograph in tandem with a proof chronograph for an extended period of time, is basing their opinion on a gut-feeling guess - and nothing more.</p><p></p><p>Based on my fairly extensive experience shooting over triplicate chronographs, I can assure every reader that bad chronograph data is produced on a reasonably frequent basis. And I mean data that's plausible, within the realm of possibility, yet clearly in error. Without a second recording of the velocity, there is no reliable method to even begin to determine if the recorded velocity is correct or not. The operator is left to their conclusion which is based on nothing more than their best guess...</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 727016, member: 4191"] Yeah, I understand, and that's really all I was shooting for. It's difficult to know what everyones' intended use of a chronograph entails. Which means it's also difficult to provide meaningful feedback to questions unless the specifics of the intended use are defined. If a person isn't too concerned about the legitimacy (accuracy) of the recorded velocities, and the shot to shot dependability of those recorded velocities (precision), then a chronograph that provides a number most of the time may be acceptable. Any chronograph user should understand that all chronographs will ocassionally produce bad data. Sometimes the bad data is plainfully obvious. For the times when the error is not plainfully obvious, the only way to determine whether or not the data is valid, or if the chronograph burped in the heat of the action, is to have a second confirmatory recorded velocity. As I've posted in the past, this can be accomplished by setting up two chronographs in tandem such that both units record each and every shot fired, or by purchasing an Oehler 35P with the proof channel, which provides the second confirmatory recorded velocity with each and every shot. Anybody posting comments in response to the original poster's question that hasn't used their chronograph in tandem with a proof chronograph for an extended period of time, is basing their opinion on a gut-feeling guess - and nothing more. Based on my fairly extensive experience shooting over triplicate chronographs, I can assure every reader that bad chronograph data is produced on a reasonably frequent basis. And I mean data that's plausible, within the realm of possibility, yet clearly in error. Without a second recording of the velocity, there is no reliable method to even begin to determine if the recorded velocity is correct or not. The operator is left to their conclusion which is based on nothing more than their best guess... [/QUOTE]
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Best Cheap Chrono??
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