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Geonica - Model 43502 -Aspirated Radiation Shield
The Aspirated Radiation Shield provides maximum sensor protection from incoming short wave solar radiation and outgoing long wave radiation. The shield employs a triple-walled intake tube and multiple canopy shades to isolate the sensor from precipitation and solar radiation. A continuous duty blower draws ambient air through the intake tubes and across the sensor, minimizing radiation errors. Compact shield components reduce radiation absorption and improve aspiration efficiency. Specially selected plastic materials provide high reflectivity, low conductivity, and maximum weatherability.
The versatile DC blower is designed for continuous duty of more than 80,000 hours (9 years) at 25° C (77° F). Brushless electronic commutarion is achieved using dependable solid state circuitry.
The Tempertature Probe is a precision Platinum RTD encased in a stainless steel protective sheath. The sensing element is secured in a convenient junction box that fits YOUNG radiation shields. The probe is avalilable with various output options. The 4-20 mA current output is useful in high noise, industrial settings or for long vcable lengths. The 0-1 VDC option provides a calibrated voltage output signal.
The Relative Humidity/Temperature Probe combines a high accuracy humidity sensor and temperature sensor into one compacto unit. The probe is available with 0-1 VDC or 4-20 mA outputs to satisfy a wide varity of applications.
- Sensor types:
- Accommodates temperature and humidity sensors up to 24 mm (.94 in) diameter
- Radiation error:
- Ambient Temperature: 0.2°C (OA°F) rms @ 1000 w/m2 intensity
- Delta T: 0.05°C (0.1°C) RMS with like shields
- Aspiration Shields:
- 5 to 11 m/s (16 to 35 fps) depending on sensor size
- Power Requirement:
- 12-24 VDC @ 500 mA for blower
- AC adapter included.
- Construction:
- UV stabilized white thermoplastic shields and blower housing
- Aluminum mounting bracket, white coated
- Stainless steel U-bolt clamp
- Dimensions
- Overall Height: 33 cm (13 in)
- Overall Diameter: 20 cm (8 in)
- Shield: 70 mm (2.8 in) dia. x 12 cm (4.7in) length
- Blower Housing: 17 cm (6.7 in) dia. x 11 cm (4.3 in)
- Mounting: V-Block and U-bolt fits vertical post or tower members 25-50 mm dia
- Weight:
- Net weight: 1.1 kg (2.5 lb)
- Shipping weight: 2.7 kg (6 lb)