DT2236B 2in1 Digital LCD Automatic Laser Photo Contact Tachometer RPM Contact Tachometer
*Laser photo tachometer : 2.5 to 99,999 RPM*Contact Tachometer : 0.5 to 19,999 RPM*Surface Speed : 0.05 to 1,999.9 m/min*Laser photo tachometer : 0.1 RPM (2.5 to 9999.9 RPM) ; 1RPM (over 1000RPM)*Contact Tachometer : 0.1 RPM (0.5 to 9999.9 RPM) ; 1RPM (over 1000RPM)*Surface Speed : 0.01 m/min. (0.05 to 99.99 m/min.) ; 0.1m/min. (over 100m/min)*Accuracy " +/- (0.05% + 1 digit)*Sampling time : 0.8 sec. (over 60 RPM)*Test range selection : automatic*Memory : max value, min value and last value*Wide detecting distance : 50 to 500 mm (or 2 inch to 20 inch), applicable to laser photo tachometer*Time base : 6 MHz crystal oscillator*Used 4 x AAA batteries (NOT INCLUDED)package content:1 x BLACK PHOTOELECTRIC DIGITAL TACHOMETER1 x Contact speed measurement fitting3 x Contact rotational speed measurement fitting1 x Standard Facotory Package