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Model-473B

100 mm Vane Thermo-Anemometer for Air Velocity, Temp & Humidity - HVAC Use

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Compatible with Dwyer AP1 thermo-anemometer and RP1 thermo-hygrometer wired probes (sold separately)
Measure air velocity, volumetric air flow, temperature, and humidity with the included 100 mm vane probe
Visible in any condition due to high contrast and backlit LCD display
Able to store up to 99 readings for later evaluation

See Product Overview

Model-473B

From ^C$ 910.60

Models In Stock

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1 Variations available

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Data Sheet

Product Overview

Accuracy Detail Air velocity: ±1.5% of reading ±20 FPM (±0.1 m/s) [0.25 to 10 m/s]; ±1.5% of reading ±40 FPM (±0.2 m/s) [10 to 20 m/s]; ±1.5% of reading ±60 FPM (±0.3 m/s) [20 to 25 m/s], Temperature: ±0.9°F @ 77°F (±0.5°C @ 25°C), Relative humidity: ±2% @ 77°F (25°C) [10 to 90% RH]; ±4% [0 to 10, 90 to 100% RH]
Air Velocity Accuracy ±1.5%
Air Velocity, Max 5000 FPM
Air Velocity, Min 40 FPM
Applications HVAC, Industrial and Manufacturing
Battery Size and Type Alkaline 9V
Cable Length 28 in
Cable Length Note 28˝ (71 cm) retracted; 6´ (18.3 m) extended
Display Note 4.5 digit backlit display; 19,999 in selected flow units
Display Type Backlit LCD
Humidity Accuracy ± 2% RH
Humidity Range 0 to 100% RH
Humidity Response Time 1.5 s
Materials Anodized Aluminum
Media Compatibility Argon, Carbon dioxide, Clean Dry Air, Helium, Nitrogen, Non-Corrosive Dry Gases
Operating Temperature, Max 125 °F
Operating Temperature, Min 5 °F
Probe Length 8 in
Process Temperature, Max 212 °F
Process Temperature, Min -20 °F
Response Time Air Velocity: 1 s, Air Volume: 1 s, Temperature: 1.5 s
Supply Power Note 9 V alkaline battery, installed non-functional, user replaceable
Supply Power Type Battery
Temperature Accuracy ± 0.9 °F
Temperature Measurement Range - 20 to 212 °F
Weight 18.4 oz

The Model 473B 100 mm Vane Thermo-Anemometer Test Instrument is a versatile unit that quickly and easily measures air velocity or volumetric air flow, as well as air temperature and humidity in imperial or metric units. A stainless steel 100 mm vane probe is included, which has a comfortable hand grip. The extruded aluminum housing fully protects electronics, yet is lightweight and comfortable to hold.

NIST CALIBRATION available in Product Configurator.