27106T-L

Specifications and Technical Data

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Technical Description

The 27106T measures air velocity using a fast-response, four-blade helicoid propeller that drives a high quality tech-generator transducer. The transducer converts the propeller’s rotation to a DC voltage that is linearly proportional to air velocity.

The 27106T should be oriented with the propeller facing the predominant flow of air being measured. Its propeller responds only to the component of the air flow, which is parallel to the axis of its rotation. Off-axis response closely approximates a cosine curve with appropriate polarity. With perpendicular air flow, the propeller does not rotate.

27106T-L Specifications

CE Compliant
Threshold Sensitivity^a: 0.8 mph (0.4 m/s)
Distance Constant^a: < 2.1 m (6.9 ft)
Pitch: 30.0 cm (11.8 in.) air passage per revolution
Signal Output: Analog DC voltage proportional to axial wind component. Polarity reverses with reverse rotation.
1800 rpm (500 mV) = 9.0 m/s (20.1 mph)
Operating Temperature:
-50° to +50°C
Propeller Description: 4-blade helicoid propeller molded of carbon fiber thermoplastic
Overall Length: 43 cm (17 in.)
Propeller Diameter: 20 cm (8 in.)
Housing Diameter: 2.5 cm (1 in.)
Weight: 0.5 kg ( 1.2 lb)