REED R7050 Compact Photo Tachometer and Counter


This pocket-sized compact photo tachometer measures the RPM (revolutions per minute) of rotating objects without contact. The R7050 also features a digital counter capable of counting moving objects passing through the instrument's field of view and built-in memory capable of recalling maximum, minimum values as well as last value stored.


  • Provides fast and accurate RPM measurements of rotating objects without contact and revolution count of moving objects
  • Built-in laser pointer identifies target area
  • Durable double molded plastic housing and large backlit LCD display
  • Internal memory recalls maximum, minimum values as well as last value stored
  • Low battery indicator and auto shut-off


RPM Range (Photo)2 to 99,999 
REV Count Range1 to 99,999
Resolution0.1 RPM, 1 count
Basic Accuracy±0.05%
General Specifications
Visible IndicatorYes (Laser)
Target Distance1.6ft (500mm)
Response Time<1 sec
Sampling Time0.5 sec (over 120 RPM)
Display Size/Type5 Digit LCD Display
Backlit DisplayYes
Auto shut-offYes (after 10 secs)
Internal MemoryMax, Min and Last
Laser ClassClass III
Low Battery IndicatorYes
Power Supply9V battery
Product CertificationsCE
Operating Temperature32 to 122°F (0 to 50°C)
Storage Temperature-4 to 140°F (-20 to 60°C)
Operating Humidity Range10-90%
Dimensions6.3 x 2.3 x 1.5" (160 x 58 x 39 mm)
Weight5.3oz (151g)