AQ Wind Monitor

05305 / 05305L / 05305V (meets EPA - PSD)

The Wind Monitor-AQ is a high resolution wind sensor for air quality applications. It combines low threshold, fast response and excellent fidelity to meet important regulatory standards.

U.S. Environmental Protection Agency Ambient Monitoring Guidelines for Prevention of Significant Deterioration (PSD).

U.S. Nuclear Regulatory Agency NRC Regulatory Guide 1.23 Meteorological Programs in Support of Nuclear Power Plants.

American Nuclear Society Standard for Determining Meteorological Information at Power Plants.


AC Pulsed/Potentiometer (recommended cable: 18446)05305$1,290.00
4-20 mA Outputs (recommended cable: 18723)05305L$1,622.00
Voltage Outputs (recommended cable: 18446)05305V$1,624.00
22 AWG, Per Ft.18446$1.24
22 AWG, Per Ft.18723$1.02

Quantity discounts applied during checkout. Excludes sensor cables.

The YOUNG Model 05305 Wind Monitor-AQ measures horizontal wind speed and direction.  Adapted from our Model 05103, this sensor is designed to meet many air quality specifications.   A lightweight, carbon fiber thermoplastic (CFT) helicoid propeller, used to measure wind speed, generates an AC sine wave signal upon rotation.  Wind direction is determined by a lightweight, balanced, vane attached to a precision potentiometer inside an internal housing.  UV stabilized plastic with stainless steel and anodized aluminum parts are used in the construction of the sensor.  The sensor mounts on a standard 1-inch IPS pipe.  A mounting orientation ring is included that engages with the base of the sensor to retain orientation when the sensor is removed for maintenance.  Terminations are made in a junction box at the base of the sensor by small clamp-style connectors (no special connectors are required).

The Wind Monitor-AQ is also available with 0-5 VDC outputs, Model 05305V, or 4-20 mA outputs, Model 05305L (both models scaled for 0-100 m/s and 0-360 degrees).  The 05305L is recommended for use in high noise areas or for installations with long cables, typically 300 meters (1000 feet) or more, up to several kilometers.



Wind speed: 0-50 m/s (112 mph)
Azimuth: 360° mechanical, 355° electrical (5° open)


Wind speed: ±0.2 m/s (0.4 mph) or 1% of reading
Wind direction: ±3 degrees

Threshold: *

Propeller: 0.4 m/s (0.9 mph)
Vane: 0.5 m/s (1.0 mph) at 10 degrees

Dynamic Response: *

Propeller distance constant (63% recovery) 2.1 m (6.9 ft)
Vane delay distance (50% recovery) 1.2 m (3.9 ft)
Damping ratio: 0.45
Damped natural wavelength: 4.9 m (16.1 ft)
Undamped natural wavelength: 4.4 m (14.4 ft)

Signal Output:

Wind speed: magnetically induced AC voltage, 3 pulses per revolution. 1800 rpm (90 Hz) = 8.8 m/s (19.7 mph)
Wind direction: DC voltage from conductive plastic potentiometer − resistance 10K Ω, linearity 0.25%, life expectancy − 50 million revolutions

Power Requirement:

Potentiometer excitation: 15 VDC maximum

Operating Temperature:

-50 to 50°C


Overall height: 38 cm (15.0 in)
Overall length: 65 cm (25.6 in)
Propeller: 20 cm (7.9 in) diameter
Mounting: 34 mm (1.34 in) diameter (standard 1 inch pipe)


0.7 kg (1.5 lbs),

Shipping Weight:

2.3 kg (5 lbs)

Model 05305V:

Signal outputs: Wind speed: 0-2.5 VDC (0-50 m/s); Wind direction: 0-5 VDC (0-360 degrees)
Power requirement: 8-24 VDC (5 mA @ 12 VDC)

Model 05305L:

Signal outputs: 4-20 mA full scale
Power requirement: 8-30 VDC (40 mA max.)


Nominal values, determined in accordance with ASTM standard procedures. Shielded bearings lubricated with Type LO-1 light General Purpose Instrument Oil.