System 89 BC Chrono™

 

Oehler Research Ballistic Coefficient Chronograph A conventional chronograph only measures velocity near the muzzle. The BC Chrono™ System measures both muzzle velocity and the time-of-flight from gun to distant target and computes the exact BC for your ammo and your gun. Data Sheet (4 pages PDF) Users Manual (83 pages PDF)   Demo software requires Windows® 7, 8, 8.1, 10 or 11 either 32-bit or 64-bit editions. Use the link below to download the System 89 Demo setup file to your computer. Once on your computer it's recommended you check the file's digital signature to make sure it was not damaged during downloading. Run the "SetupS89vDemo2024.exe" file to install the demo software to your Windows PC. Download System 89 Demo Setup File

Videos open in YouTube® This video covers the install of the PC software, registering the System 89 units, and doing a radio check. This video demonstrates the software in order to familiarize viewers with its user interface, features, and functions.