Competition Electronics - ProChrono Digital Chronograph

Official chronograph to certify loads for SASS and Bianchi Cup events ! Accurate velocity measurement for rifles, pistols, arrows and shotguns. Easy to set-up and use with a HUGE shooting area. Store 9 shot strings with up to 99 shots per string in power down memory. Review through each velocity and shot data including standard deviation, extreme spread and average velocity. Optional indoor light kit required for indoor use. Durable plastic light diffusers are included. Specifications : * Velocity Range : 21-7, 000 feet per second * Temperature Range : 32-100 degrees Fahrenheit * Size : 16 x 4 x 3-1/ 4 inches * Battery Required : One 9-volt alkaline battery ( not included) * Mounting Hole Thread : 1/ 4 x 20 * Guide Wire Size : 3/ 16 x 16 inches * Memory Capacity : Up to 9 strings of up to 99 shots each * Minimum Time Between Shots : Between 250 mSec and 500 mSec * Shot Timing Resolution : 750 nSec Crystal Controlled * Accuracy : + / -1% of measured velocity, or better * Current Consumption : Approx. 15mA