The F1 Chrony reads velocity in feet per second (or metres per second) and works in a velocity range from 30fps to 7000fps (10mps to 2134mps) and its accuracy rating is 99.5%

• The F1 Chrony features a stereo jack for optional Ballistic Chrony Printer
• Measures F.P.S
• Velocity remains on display until you shoot again
• Uses 9v alkaline battery (48 hrs of continuous use)
• 99.5% Accuracy

The Alpha Chrony reads velocity in feet per second (or metres per second) and works in a velocity range from 30fps to 7000fps (10mps t0 2134mps) and its accuracy rating is 99.5%
The Alpha Crony also features a 32 reading memory

• The Alpha Chrony features a stereo jack for optional Ballistic Chrony Printer
• Measures F.P.S
• Uses 9v alkaline battery (48 hrs of continuous use)
• 99.5% Accuracy
• 32 Reading memory (numbered)
• Measures High, Low and Average velocities, Extreme Spread and Standard Deviations
• Retrieval of individual shot velocity measurements

• Suitable for use with F1 and Alpha Chrony

• Suitable for use with F1 and Alpha Chrony
• INDOOR USE ONLYy

The CB625 is a compact chronoscope specially designed for airguns. Use it as a tuning aid, consistency test, to get the most shots from a tank of air and to find problems before they become serious.

• LCD display
• 3 button control
• Metric / Imperial displays
• Weight: less than 50g
• Barrel end mounting
• Computer interface