REED R1900 Compact Air Velocity Meter


Dual LCD screen simultaneously displays air velocity and temperature.

REED R1900 Offers

This compact air velocity meter (anemometer) measures in fpm, m/s, kph, mph and knots. The R1900 keeps track of maximum and average readings and features a data hold function and low friction rotating vane for improved accuracy.


  • Measures fpm, m/s, kph, mph, knots and temperature
  • Designed for one-handed operation
  • Backlit dual LCD display
  • Beaufort scale
  • Max, average and data hold functions
  • Low battery indicator and auto shut off

REED R1900 Specifications

Air Velocity (Anemometer)

Type Vane

Measuring Ranges fpm: 78 to 5905

m/s: 0 to 30

km/h: 1.4 to 108

mph: 0.8 to 67

knots: 0.7 to 58

Accuracy m/s: ±(5% rdg + 0.5)

mph: ±(5% rdg + 10dgt)

knots: ±(5% rdg + 10dgt)

km/h: ±(5% rdg + 15dgt)

fpm: ±(5% rdg + 180dgt)

Resolution fpm: 1

m/s, km/h, mph, knots: 0.1 


Measuring Ranges 14 to 122°F (-10 to 50°C)

Accuracy ±4°F (2°C)

Resolution 0.1°F/°C

General Specifications

Vane Diameter 1.2" (30mm)

Display 4-digit dual LCD

Backlit Display Yes

Beaufort Scale Yes (Digital Bargraph Indicator)

Data Hold Yes

Max Yes

Average Yes

Sampling Rate 2 times/second

Overange Indicator Yes

Auto Shut-Off Yes (after 5 mins, off)

Low Battery Indicator Yes

Power Supply 3 "AAA" Batteries

Product Certifications CE

Operating Temperature 32 to 122°F (0 to 50°C)

Storage Temperature 14 to 140°F (-10 to 60°C)

Operating Humidity Range 10 to 80%

Dimensions 6.3 x 2 x 1.1" (160 x 50 x 28mm)

Weight 4.2oz (118g)

What's included with the REED R1900

  • Air Velocity Meter
  • 3 x "AAA" Batteries

Ideal Applications for the REED R1900

  • HVAC/R and Refrigeration Servicing
  • Detecting Filter Blockage
  • Condensers and Chillers
  • Environmental Monitoring
  • Boating