VT-8204 is vibration meter / photo tachometer / contact tachometer (3 in 1); with separate professional vibration sensor.

Vibration meter : Acceleration : 200 m/s2, RMS, PEAK, Max. Hold, g, ft/s2.Velocity : 200 mm/s, RMS, PEAK, Max. Hold, cm/s, inch/s. Displacement ( p-p ) : 2 mm, Max. Hold, cm, inch.

Tachometer ( photo ) : 10 to 100,000 RPM.
Tachometer ( contact ) : 5 to 19,999. RPM

Tach. ( surface speed ) : m/min., ft/min. inch/min. Laser photo tachometer.1600 Data logger point.Data hold, record ( Max., Min. ) Optional IR probe, IR-962.RS-232 computer interface.DC 1.5V ( UM-3, AA ) x 4 PCs.Patented.