PHOTO TACHOMETER

display:5digits 18mm(0.6") yellow green backlight lcd
accuracy: ±(0.05%+1 digit)
sampling time: 0.5 sec(over 120rpm)
range se-lect: auto - ranging
memory: last value,max. value,min.value
can store 96s data
time base: 6mhz quartz crystal
detecting distance: 50mm to 500mm
power consumption: approx 55ma
test range: 2.5 to 99,999rpm(r/min)
resolution: 0.1rpm(2.5 to 999.9rpm)
　　　　　 1rpm(over 1,000rpm)
total test range:1~99,999
power: 4x1.5v aa size battery or to external dc 6v regulated power supply