Competition Electronics ProChrono LTD

• Internal and external refinements with updates to the circuitry and enclosure design
• Built in full featured operating system with multiple shot string memory and statistics
• Sensing system compatible with a wide variety of light conditions and projectiles
• Faster internal shot clock for improved accuracy to +/- .5% or better
• Made in the USA quality at an affordable price
• Two year warrantee against defects in material and workmanship, and a 1/2 price repair guarantee
• Over 30 years of experience in chronograph design and manufacturing
• Replaceable Alkaline 9 volt battery power (not included) for 20+ hours of operation
• Quality accessories and replacement parts at a reasonable price
• Made in USA with real service and support

           Specification:

• Velocity Range: 20 - 9,999 feet per second
• Temperature Range: 20-100 degrees Fahrenheit
• Size: 16" x 4" x 3-1/4"
• Weight: 2.1 lbs.
• Battery Required: One 9-volt alkaline battery
• Battery Life: Approx. 20 hours of operation
• Current Consumption: Approx. 15mA
• Tripod Mounting Hole Thread Size: 1/4" - 20
• Guide Wire Size: 3/16" x 16"
• Memory Capacity: Up to 9 strings of up to 99 shots each
• Review Statistics Capability: Individual shot velocities, High, Low, Average, Extreme Spread, and Standard Deviation
• Minimum Time Between Shots: 500 mSec
• Shot Timing Resolution: 31 nSec (8000 counts @ 4,000fps) Crystal Controlled
• Accuracy: +/-.5% of measured velocity or better