Optical Digital Tachometer

HT2234N model is a digital portable meter which can perform accurate speed measurements of rotating mechanical elements (rotating disks, motor parts, etc.) with or without contact using a laser emission ray transmitted and received from the object under test. As auxiliary feature HT2234N has an internal event counter which is very important for example on end-of-line factory controls. HOLD and MIN/MAX/AVE features are also performed by this meter. A wide number of accessories are included for speed measurements with direct contact with the object under test.

FRONT PANEL LEGEND: Reflecting tape. Reflecting signal light beam. Emitting / Receiving units. UNIT key. FUNCTION key. START / STOP / HOLD key. MAX/MIN/AVE symbols. Low battery indication. Start measure symbol. Results display (bottom) and clock display (top) for Hours:Minutes. Emitting signal light beam.

 

KEYS DESCRIPTION • UNIT key Press ciclycally UNIT key to select the followed units:
RPM	speed measure without contact
RPM /	speed measure with contact
m/min	meter/minute
ft/min	feet/minute
yd/min	yards/minute
R/S	frequency (Hz)
NO.	events counter with external or internal light source