Reed R7100 Combination Contact / Laser Photo Tachometer


SKU: R7100


Reed R7100 Combination Contact / Laser Photo Tachometer

(Replaced Reed ST6236B)

Reed R7100 Datasheet (PDF)

Dual function tachometer features the ability to measure RPM with non-contact built-in laser and contact (m/min) measurements quickly and accurately.


REED R7100 Offers

This tachometer features both the ability to measure RPM (revolutions per minute) in rotational equipment and surface speed m/min (meters per minute) with included contact adapters. The R7100 features a built-in laser pointer to assist with identifying the target area.


  • Dual function unit with both contact and non-contact capabilities
  • Provides fast and accurate RPM (revolutions per min) measurements of rotating objects and surface speed measurements m/min (meters per min) with included contact adapters
  • Built-in laser pointer identifies target area
  • Internal memory recalls maximum, minimum values as well as last value stored
  • LCD display and low battery indicator

REED R7100 Specifications

RPM Range (Contact) 0.5 to 19,999
RPM Range (Photo) 2.5 to 99,999
Surface Speed Range 0.05 to 1,999.9 m/min
Resolution Photo: 0.1 RPM (≤999.9) / 1 RPM (>1000)
Contact: 0.1 RPM (≤999.9) / 1 RPM (>1000)
Surface: 0.01 m/min (≤99.99) / 0.1 m/min (>100)
Basic Accuracy ±(0.05% + 1 dgt.)
General Specifications
Visible Indicator Yes (Laser)
Target Distance 1.6ft (500mm) (Photo)
Response Time <1 sec
Sampling Time 0.8 sec (over 60 RPM)
Display Size/Type 5 Digit LCD Display
Auto shut-off Yes
Internal Memory Max, Min and Last
Laser Class Class III
Low Battery Indicator Yes
Power Supply 4 x AA Batteries
Product Certifications CE
Operating Temperature 32 to 122°F (0 to 50°C)
Storage Temperature -4 to 140°F (-20 to 60°C)
Operating Humidity 10-90%
Dimensions 8.3 x 2.9 x 1.5″ (210 x 74 x 37 mm)
Weight 7.9oz (224g)

What’s included with the REED R7100

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

Ideal Applications for the REED R7100

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

Additional information

Weight 2 lbs
Dimensions 10 × 7 × 8 in

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