Features:
Model: DT-2234C
Great Tool for measuring the Rotation Speed (RPM) of Motors / Milling Machine and other machines.
Digitally measures rotations (revolution per minute / RPM)
Contactless - measurement done by laser optical engine

Specifications:
LCD display screen
Range: 2.5 RPM  ~ 99,999 RPM
Resolution/step: 0.1 RPM for range 2.5~999.9 RPM, 1 RPM for 1000 RPM and over
Accuracy: +/- 0.05%
Sampling/averaging time at over 60 RPM and 0.8 second
Measuring distance: 50mm ~ 500mm
Powered By: 1 x 6F22 9V battery
Size: 13.1cm x 7cm x 2.9cm

Package included:
1 x Digital Tachometer