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HOBO Air Velocity Sensor - 0.15 - 10 m/s


Air Velocity Sensor - 0.15 - 10 m/s (30 - 1969 fpm)

The F900 S-P Airflow Sensor is designed to measure the velocity of airflows in applications such as HVAC, industrial processes, automotive, air filtration systems, electronics enclosures and critical containment areas.


Requires analog port selection during U30 system configuration and use of a S-FS-CVIAwhen using the H22-001 data logger. When using a U12 data logger, this sensor requires an 0-5 Vdc analog input cable (CABLE-ADAP5) and external power provided by an AC adapter (AC-SENS-1).


The T-DCI-F900-S-P Sensor is for use inIndoor environments.


The T-DCI-F900-S-P Sensor supports the following measurements:

Air Velocity


  • This adds the ability for users to be able to measure air velocity (in ducts, e.g.) from which CFM can be computed.


To see the full specifications for this product, please see our product manual found under the documentation tab.

Measurement ranges, "O" model: 0.15 - 5 m/s (30 - 985 fpm)

Measurement range, "P" model: 0.15 - 10 m/s (30 - 1969 fpm)

Accuracy: Greater of 10% of reading or +/-0.05 m/s or 1% full-scale

Standard medium: Air at standard pressure (101.3 kPa, 29.95" Hg)

Operating temperature range: 15 – 35 C (59 – 95 F)

Storage temperature: -10 to 100C

Supply voltage: 7-13 VDC

Supply current: 40 - 75 mA (10K ohm nominal)

Warm-up time: < 5 sec

Response time: 1.5 sec

 Linear 0 - 4 VDC full scale for calibrated range, up to 4.9 VDC beyond calibrated range

Sensor head material: Plastic

Dimensions: 100 mm x 12 mm diameter for "S" model, 91 mm x 12 mm for "L" model

Weight: "S" model 1 oz., "L" model 1.8 oz.

Vibration: Up to 25 G

Acceptable angle: +/- 300 from perpendicular

Repeatability: +/- 1% under same conditions