Extech 451112 Data Sheet

www.extech.com

6/13/08 - R1

Multifunction Air Velocity Meter

With built-in thermistor sensor for wide range temperature measurement

Vane Thermo-Anemometer

Ordering Information:

451112 ........................Digital Vane Thermo-Anemometer

451112-NIST................451112 with NIST Certificate

Features:

• Low friction ball bearing vane wheel (2.83”D)

rotates freely in response to air flow

• 2% accuracy

• Super large (0.7") LCD display

• Data hold function allows user to freeze

the displayed value in hard to see areas

• Ideal when reaching into an air duct

or other HVAC applications

• Durable housing case and sensor is made

of lightweight ABS plastic with a 39" (1m)

• Dimensions: 6.6 x 3.2 x 1.2" (168 x 81 x 30mm) meter;

2.83"D (72mm) vane; Weight: 12oz (340g)

• Complete with sensor, hard vinyl carrying case

and 9V battery

Units Range Resolution Basic Accuracy

ft/min 80 to 5910ft/min 10 ±2% rdg±40 ft/min m/s 0.40 to 30.00m/s 0.1 ±2% rdg±0.20 m/s km/hr 1.4 to 108.0km/hr 0.1 ±2% rdg±0.6 km/h Knots 0.8 to 58.3 Knots 0.1 ±2% rdg±0.4knots Temperature 32 to 140ºF (-0 to 60ºC) 0.1° ±1.5ºF/±0.8ºC Dimensions 6.6 x 3.2 x 1.2" (168 x 81 x 30mm) meter

2.83"D (72mm) vane

Weight 12oz (340g)

Thermo-Anemometers

Extech’s Thermo-Anemometers with remote sensors are the most popular models for HVAC applications.