Model 471B Thermo-Anemometer Test Instrument
Brand: Dwyer Instruments, LLCThe MODEL 471B Thermo-Anemometer Test Instrument is a versatile dual function unit that quickly and easily measures air velocity or volumetric flow as well as air temperature in imperial or metric units. 
A stainless steel probe is included, which has a comfortable hand grip and etched insertion depth marks.
The extruded aluminum housing fully protects electronics, yet is lightweight and comfortable to hold.
Features- Compatible with Dwyer RP1 thermo-hygrometer and VP1 100 mm vane thermo-anemometer probes (sold separately)
 - High contrast and backlit LCD for visibility in any condition
 - Able to store up to 99 readings
 - Integral sliding cover protects probe sensors when not in use
 - Built-in volumetric air flow calculations
 
Specifications
Accuracy
- ± 0.28° C (± 0.5° F) from 0° to 50° C (32° to 122° F)
 - ± 0.83° C (± 1.5° F) from -40° to 0° C (-40° to 32° F)
 - ± 3 % of Full Scale
 
Ambient Temperature Range
- -15° to 51° C (5° to 125° F)
 
Applications
- Duct Traverses
 - HVac Inspections
 - Testing & Balancing
 
Approvals & Certifications
- CE
 
Cable Length
- 28" (71 cm)
 
Display
- 4-1/2-Digit LCD
 
Flow Rate
- 0 to 6000 fpm (0 to 30 mps) - Air Velocity
 
Insertion 'U' Length
- 18" (46 cm)
 - 24" (60.9 cm)
 - 36" (91.4 cm)
 - 8" (20.3 cm)
 
Media
- Dry Air
 
Power Requirement
- 9 V Alkaline Battery
 
Process Temperature
- -40° to 100° C (-40° to 212° F)
 
Resolution
- 0.1° C
 - 0.1%
 
Temperature Range
- -40° to 100° C (-40° to 212° F)
 
Probe Material
- Stainless Steel
 
Housing Material
- Aluminum
 
- Duct traverses
 - HVAC inspections
 - Testing and balancing