Description: This is a digital, battery-powered portable optical tachometer, Batteries NOT included, Power by 4XAA batteries, Measures the rotational speed with a visible red light beam from a powerful LED. Wide measuring range and high resolution, the last value/max. value/min. value will be automatically stored. Features: -Test Range: 2.5-99,999 RPM (r/min) -Accuracy: + (0.05%+1 digit) -Resolution: 0.1 RPM (2.5-999.9RPM) 1 RPM (over 100RPM) -Sampling Time: 0.8 sec (over 60 RPM) -Test Range Select: Automatic -Detecting Distance: 50-500mm -Memory: Last value, Max Value, Min Value -Time Base: 6MHz Crystal oscillator -Sampling time: 0.5sec(over 120 RPM) -Circuit: Exclusive one-chip of microcomputer LSI circuit -Operation temperature: 0-50℃(32-122°f) -Power Consumption: Approx 40mA (Operation) -Power supply: 4*1.5V battery -Product size: 164*74*37mm -Product weight: 200g (including batteries) Package include: 1 x Digital Photo Non-Contact Tachometer 3 x Reflective Tape Mark (total 600 mm) 1 x Carrying case 1 x Instruction manual
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