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 Post subject: Chronograph lighting
PostPosted: Sun Dec 08, 2019 12:51 pm 
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Joined: Fri Nov 05, 2010 8:27 pm
Posts: 23338
Location: The Lincolnshire Wolds, UK
Home club or Range: Hemswell Shooting Club. North Coates Butts UK. Grove Small Arms, Barton Road UK. Ulfborg Skyttecenter DK. BASC Trade Member
I have a Caldwell ballistic Precision chronograph(*) and it's only function is for testing air rifles/pistols within the workshop. I see light related errors from time to time so I want to add some really bright LED's across the diffusers to ensure more consistent results.

Can anyone recommend some suitable LED's please?

(*) Yes I should have purchased one with the optional lighting at the time and no, I am not paying seventy quid for the optional lighting.

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 Post subject: Re: Chronograph lighting
PostPosted: Sun Dec 08, 2019 5:26 pm 
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Joined: Mon Apr 28, 2014 12:19 pm
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Location: Runcorn, via Africa and parts unknown.
Home club or Range: WDRPC
I imagine any IR LEDS can be used - I don't think the receivers are frequency sensitive.

https://uk.rs-online.com/web/c/displays ... s/ir-leds/


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 Post subject: Re: Chronograph lighting
PostPosted: Sun Dec 08, 2019 5:38 pm 
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Joined: Mon Apr 28, 2014 12:19 pm
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Location: Runcorn, via Africa and parts unknown.
Home club or Range: WDRPC
Caldwell use 36 x IR leds and 1 x normal red led in each fitting. The normal led is only there to show that power is present.


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