Model: R7140 | UPC: 800837000668

The dual function tachometer features the ability to measure RPM with non-contact (visible light) and contact (ft/min / m/min) measurements quickly and accurately.

Manual Datasheet

REED R7140 Offers

This tachometer features both the ability to measure RPM (revolutions per minute) in rotational equipment and surface speed m/min (meter per minute) / ft/min (feet per minute) with included contact adapters. The R7140 uses visible light for non-contact measurements to read up to 12″ (300mm) from any target. The R7140 features a durable ABS plastic housing to assure years of maintenance-free performance.

What’s included with the REED R7140

  • Photo / Contact Tachometer
  • Reflective Tape
  • Large and Small Cone Tip Adapters
  • Funnel Adapter
  • Wheel Adapter
  • Batteries
  • Hard Carrying Case


  • Dual function unit with both contact and non-contact capabilities
  • Provides fast and accurate RPM measurements of rotating objects and surface speed measurements m/min (meter per min) and ft/min (feet per min)
  • Internal memory holds last reading for 5 mins and recalls min/max and last value
  • LCD Display reverses depending on measurement mode

Ideal Applications for the REED R7140

  • Identify issues with rotational equipment such as Conveyors, Turbines, Compressors, Fans, and Blowers
  • Automated Assembly and Production Lines