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Robust Air Velocity & Air Temperature Sensor

The F-Series is a platform of non-directional air velocity and temperature sensors optimized for demanding applications including laboratory, HVAC, high-performance electronics, and more. With both digital and analog outputs, which can be used simultaneously, the F-Series sets a new standard in flexible design integration and airflow control.

Remote Sensor Head Options

Multiple designs are available to support a wide range of application scenarios
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Conformal-Coated Electronics

Robust, UV-tolerant, splash-proof enclosure for use in corrosive or alkaline environments.

Innovative “Outside the Duct” Installation

Single hole for mounting sensor assembly, without the need for screws or hands inside the duct
Choice of air velocity range, supply voltage,  mechanical length, and output communication style.
Analog & Digital Communication
Supports 0-5V, 0-10V, 0-20mA, 4-20mA, and digital UART or I²C communication outputs.
Universal Supply Voltage
Suitable for applications where AC or DC supply voltages are encountered.

Specs & Details

  • Velocity Range: 0.15m/s to 20m/s (30 fpm to 4,000 fpm)
  • Operating Temperature: 0°C to 60°C (32°F to 140°F)
  • Supply Power Requirements:: 4.5 - 29 VDC, 15mA nominal
  • Velocity & Temperature Output: 0-5V or 0-10V output
  • Digital Output: UART or I²C available for flow and temperature
  • Alarm Output: Open drain, configurable trip point
F300 (4.5 - 15 VDC)
F400 (19 - 29 VDC)
F500 (24 VDC/VAC)
Normal lead-time is 2-3 business days.


Data Sheet (F300)
Data Sheet (F400)
Data Sheet (F500)
Manual (F-Series)


Related Products

B-Series - Bi-Directional
Air Velocity & Temperature
F200 - Digital Air Velocity
& Air Temperature Sensor
F-Series Remote Head -
Air Velocity & Temperature
S-Series - Air Velocity & Temperature Switch
FH400 - Air Velocity, Temperature, & Humidity