Product Review

Specifications & Parameters
Counting range: 10-99999RPM
Temperature range: -10℃ to 50℃
Resolution: 0.1/1RPM
Accuracy: ±0.4%+2
Sensor type:Photocell
Measurement distance:50-500mm
Working temperature and humidity: 0 ~ 50 ℃(45 ~ 80% RH)
Storage temperature and humidity: -20 ~ 60 ℃ (≤ 80% RH)
Power voltage: 9V/6F22
Size: 164mm * 113mm * 49mm (6.46 * 4.45 * 1.93in)
Package: Tachometer, reflective tape, instruction manual but without battery.