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471 Series Thermal Anemometers

471-2 Thermal Anemometer471-2

471-3 Thermal Anemometer471-3
The Dwyer 471 series digital thermal anemometers are versatile dual function instruments which quickly and easily measure air velocity in four field selectable ranges - in feet per minute or meters per second - plus air temperature in °F or °C. High contrast LCD display shows both range selected and present velocity. Convenient backlight provides perfect visibility in low light conditions. Light automatically shuts off after 2 ½ minutes to prolong battery life. Low battery warning is included. Extruded aluminum housing fully protects electronics yet is lightweight ad comfortable to hold even when taking multiple readings as part of duct traverses.Standard accessories include 9 volt alkaline battery, wrist strap, custom fitted carrying case and step drill for making duct holes from 3/16" to ½ ".

The model 471-1 features an 8" fixed lenth probe.

The model 471-2 features a telescoping stainless steel probe with comfortable hand grip is fully extendible to 33 inches (83 cm). Now, this single instrument can replace several fixed length probes or Pitot tubes.

The model 471-3 features a telescoping stainless steel probe which is extendible to 33 inches (83 cm), with a bendable tip for easy access in hard to reach locations.

 

Specifications
Air Velocity
Accuracy: 0-500 FPM, ±3% F.S.
Accuracy: 0-1500 FPM, ±3% F.S.
Accuracy: 0-5000 FPM, ±4% F.S.
Accuracy: 0-15000 FPM, ±5% F.S.
Temperature Limits for Specified Accuracy: 59 to 86°F (15 to 30°C). Outside this range add 0.11% per °F (0.2% per °C)
Flow Temperature Range: 0 to 200°F, -17 to 100°C

Temperature
Accuracy: ±2°F, ±1°C, Resolution: 0.1°
Ambient Limits: 32 to 104°F, 0 to 40°C
Storage Limits: -40 to 176°F, -40 to 80°C

Probe: 7/16" diameter, 33" length with integral hand grip and 6' coiled cord
Power: one 9V alkaline battery (included)
Housing: 166 x 71 x 23mm
Weight: 340 grams
Carrying Case: 60 x 343 x 267mm


How to Contact us:

By Phone at (604) 254-9622
By Fax at (604) 254-3123

or by Mail:
John Sherman Agencies Limited
1641 Venables Street
Vancouver, British Columbia
V5L 2H1

By E-mail: info@johnsherman.com