R7140 Combination Contact / Photo Tachometer
  • R7140 Combination Contact / Photo Tachometer

R7140 Combination Contact / Photo Tachometer

Tax included

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

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.

Delivery time approx. 2 weeks


- 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

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

Technical data

RPM Range (Contact)
0.5 to 19,999
RPM Range (Photo)
5 to 99,999
Surface Speed Range
0.05 to 1,999.9 m/min
Surface Speed Range.
0.2 to 6,560 ft/min
Photo: 0.1 RPM (≤999.9) / 1 RPM (>1000)
Contact: 0.1 RPM (≤999.9) / 1 RPM (>1000)
Surface: 0.1 m/min (≤99.99) / 0.1 ft/min (≤99.99) / 1 ft/min (>1000
Basic Accuracy
±(0.05% + 1 dgt.)

General Specifications

Visible Indicator
Yes (Light)
Target Distance
1.0ft (300mm) (Photo)
Response Time
<1 sec
Sampling Time
Photo: 1 sec (over 60 RPM)
Display Size/Type
5 Digit LCD Display
Auto shut-off
Internal Memory
Max, Min and Last
Low Battery Indicator
Power Supply
4 x AA Batteries
Product Certifications
Operating Temperature
32 to 122°F (0 to 50°C)
Storage Temperature
-4 to 140°F (-20 to 60°C)
Operating Humidity
8.5 x 2.6 x 1.5" (215 x 65 x 38 mm)
10.6oz (300g)
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