Instruction Manual
4
Unit Selector Switch
Multi-mode capability measures RPM, mPM, YPM, FPM, IPM and total meters, 
yards, feet and inches. 
NOTE: Selector switch not available in USB mode; all controls are 
transferred to the software through the USB cable. 
Measurement 
method 
 Explanation of Operation 
Contact measurement requires the contact adapter 
(DT-ADP-200L) and the proper attachments. 
NOTE: Make sure that proper position of the knob is 
selected. For length and linear rate measurements 
wheel is required to get right ratio. (FPM-6, FPM-12).
For rotational 
speed 
measurements 
RPM (rev/MIN) –Cone tip, Funnel tip 
For speed 
measurements 
m/MIN - yd/MIN - ft/MIN - in/MIN 
(6” or 12” circumference wheel). 
Contact Type 
For length 
measurements 
in / ft / yd / m (6” or 12” 
circumference wheel) 
Non-contact measurement requires the use of the 
laser and a reflective tape. Choose the correct 
settings with the Unit Selector Switch. 
CAUTION: Laser Beam Radiation. Do not stare 
into beam.  
Non-Contact Type 
rotational 
speed 
measurement 
RPM (rev/MIN) 










