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Test and Measurement
MR-275 Dual Digital tachometer
The MR-275 is a mechanical-optical dual tachometer that will allow the user to make revolutions per minute (RPM's) and speed (m/min.) measurements. Can be used with any motor or device. It offers a high accuracy (0.005%) up to 1 m distance (without contact).

Small size and battery powered make it and easy and portable instrument. In addition its ergonomic design allows to be used comfortably with a single hand.
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MEASUREMENT & RANGE
   PHOTO TACHOMETER
   CONTACT TACHOMETER
   SURFACE SPEED
5 to 99,999 RPM
0.5 to 19,999 RPM
m/ min. 0.05 to 1,999.9 m/ mín
ft/min. 0.2 to 6,560 m/ mín
RESOLUTION
   RPM

   m/min.

   ft/min.
0.1 RPM ( < 1.000 RPM )
1 RPM (≤ 1.000 RPM)
0.01 m/ Min. (< 1.000 m/Min. )
0.1 m/ Min. (≤ 100 m/Min. )
0.1 ft/min. (< 1.000 ft/min. )
1 ft/min. (≤ 1.000 ft/min. )
DISPLAY LCD, size 60 x 30 mm, 5 digits (99.999 count)
PHOTO TACHOMETER
DETECTING DISTANCE		 5 to 100 cm typically
ACCESSORIES Carrying case, Reflecting tape marks, contact adapters (cone/funnel/wheel), User's manual, 4x 1.5V R6V AA batteries, Protective cover for emitter laser