Search query: chronograph shooting

Product: ACETECH AC5000 Airsoft Gun Speed Tester BBS Chronograph
Brand: ACETECH
Relevance: Irrelevant
Acetech is founded by former Xcortech team members to build better airsoft related electronics
Support Micro-USB (5V/0.5A) power input (no battery charge function) or Use AA alkaline battery*2
Measures Muzzle Velocity from 30 m/s ~ 400 m/s (90 ft/s ~ 1200 ft/s)
Ammo parameter setting supports 5 memory slots
Ammo parameter setting from Weight: 0.01g ~ 9.99g Caliber 4.5mm ~ 18mm 25 memory slots for velocity and ROF (Rate of fire)
Idling and low battery auto power off function.
FCC, CE, RoHS compliant
Tripod Ready mounting hole (Screw for standard camera / camcorder tripods )
Support Micro-USB(5V/0.5A) power input(no battery charge function)
ROF range: 100~5000RPM
Extra large caliber (diameter 24mm)
Weight: 200g without battery
Size : L x W x H = 117 x 97 x 59 (mm)

Q&A
Q1:Why my AC5000 is inaccurate?
A1: Factors do affect speed testing
Battery: 1. low voltage, 2. Please use alkaline battery instead of carbon zinc battery
CO2 smoke: In case of too much smoke causing the inaccuracy, please stay your muzzle 10cm away from the shooting hole of chrono when use CO2 airsoft gun shooting
Over measures range: AC5000 measures muzzle velocity from 30 m/s ~ 400 m/s (90 ft/s ~ 1200 ft/s)
Q2: Why my screen shows ADC Error 2?
A2: Please insert USB power, then long press power botton for 5 seconds to turn on AC5000.
Please follow the instruction shows on LCD.
The condition of "ADC Error 2" would be solved.
Q3: Why my AC5000 can't show ROF (Rate of fire)?
A3: Shooting over 10 shots continuously is required, when you do the ROF test.
User-friendly interface with 128*64 pixel LCD
Easier to control: Equipped with 4-way push button
More durable: IR sensor self-calibration as well as IR sensor calibration in production
Friendly UI: Enables user directly select and change ammo parameters in main screen
Not working with Nerf