Updated:2023-02-08
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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.
Range: |
Wind speed: 0-50 m/s (112 mph) Azimuth: 360° mechanical, 355° electrical (5° open) |
Accuracy: |
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 |
Dimensions: |
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) |
Weight: | 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); 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. |
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