Date: 14/2/2016 8:53

Competition Electronics ProChrono Digital Chronograph

Competition Electronics ProChrono Digital Chronograph

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PY-A-4015

2-year limited warranty

Buy and Earn 110 Bullseye Bucks!

$109.99

List Price $150.00

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  • Description
  • Customer reviews
  • Q & A: 3 answered questions
  • Digital chronograph
  • Large 4-digit LCD readout
  • 21-7000 fps measurement
  • Meters per second (mps) or feet per second (fps) readout
  • Stores 9 shot strings with up to 99 shots each in power down memory
  • Review each velocity and shot string data
  • Records average velocity, standard deviation and extreme spread
  • Delete individual shots or entire string with the touch of a button
  • Serial data connection port for use with remote accessories
  • 32-100 deg. F operating temperature range
  • 250 mSec to 500 mSec time between shots
  • 750 nSec crystal-controlled shot timing resolution
  • +/-1% or better accuracy of measured velocity
  • 1/4"x20 mounting hole thread
  • 3/16"x16" guide wire size
  • 16"x4"x3.25"
  • 15 mAh power consumption
  • On/off switch
  • Uses one 9V alkaline battery (not included)


There are lots of optional accessories you can get to customize your Competition Electronics ProChrono digital chronograph. The accuracy of this chronograph is so well-respected in the shooting industry, that this chronograph is used for the record in Bianchi Cup events. Use the ProChrono chronograph to measure the velocities of your airguns, firearms and airsoft guns. It can do it all!


In stock


Item Code: CEI-3800 [PY-A-4015]
See manual

other products by Competition Electronics

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5.0 5.0

4.0 4.0

By Chuck from USA on 2016-01-03
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Things I liked: Easy to use! No errors first 100shots!

Things I would have changed: Add some weight to keep it stable

5.0 5.0

5.0 5.0

By Patrick from USA on 2015-12-23
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Things I liked: Works great. Seems pretty repeatable. Guide rods and shade panels are pretty robust construction.

Things I would have changed: Nothing.

What others should know: If you plan on using this indoors, you will need to purchase the light kit.

5.0 5.0

5.0 5.0

By curtis from USA on 2015-12-22
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Things I liked: Unit has a good sized area to shoot thru to capture velocity readings. Control buttons are easy to operate so that you do not disturb chrono's position when operating. Ease of use.

Things I would have changed: Make the light baffles wider so that they can cover a larger area over the chronograph sensors.

What others should know: I use my ProChrono indoors. It took a little time and a few test shots to figure out the proper lighting. Setting up a halogen work light pointed at the ceiling over the chronograph for reflected light worked for me. I have taken over 500 readings and have only gotten one error - this error was due to me moving the rifle out of position. Once you have the lighting correct, it really is as simple as turn it on and shoot.

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  • Gerald from USA asked:

    Is there any chance the ProChrono Digital Chronograph will work with a Mac (using Excel) as well as a PC?

    • Don from USA asked:

      Are the "Light diffusers" included as standard equipment?

      • Don from USA asked:

        Does "in the box" include the light diffusers accross the top?

        See all discussions

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