General Description

Rev Tach is a recognized industry standard rotation speed calibration grade optical tachometer. It utilizes powerful micro-computer resources and state of the art optical detection circuitry. The instrument is easy to operate – just set up, aim and read – from direct sunlight to near total darkness, in front, back or angled to the propeller, in flight or on the ground.

Technical Information

• up to 300,000 blade passages / minute
• accurate to +/- 1 RPM. Accuracy equal to resolution specifications
• 1 RPM to 9,999. 10 RPM to 99,999. 100 RPM from 100,000 over
• over 30 ft. distance range
• 1 to 10 blades per revolution
• direct RPM readings for all scales
• technology: Passive, narrow beam, ambient light shift detect. Totally CMOS
• battery: 9 volt #1604, 200+ hours operation with recommended Alkaline type
• instrument weight 8 oz
• instrument dimensions: 3,33” W x 5.25” D x 2.05” H
• NIST certified

• one year warranty, parts and labour