Instrument

Ambient Temperature & Humidity Sensor

Air temperature and relative humidity with passive or fan-aspirated radiation shield.

Overview

The temperature and humidity sensor measures relative humidity and air temperature, and comes with a passive solar radiation shield or a 24-hour fan-aspirated radiation shield.

The passive shield is made of a proprietary plastic designed for high thermal reflectance and low thermal conductivity. The 24-hour shield includes a solar- and battery-powered fan that pulls air up through the shield and over the sensors for the highest temperature accuracy.

±0.3 °C accuracy
±2% RH
-40 °C to +65 °C
CE certified
Ambient temperature and relative humidity sensor with radiation shield
Specifications

Technical specifications

Operating Temperature-40° to +150°F (-40° to +65°C).
Storage Temperature-40° to +158°F (-40° to +70°C).
Sensor TemperaturePN junction silicone diode.
Sensor Relative HumidityFilm capacitor element.
Cable Length25 feet (7.6 meters).
Dimensions 63801" high x 9.5" wide x 7.8" deep (206mm x 241mm x 198mm).
Dimensions 63828.1" high x 9.5" wide x 7.8" deep (206mm x 241mm x 198mm).
6380 (Weight)3.5 lbs. (1.6 kg).
63820 (Weight)6.6 lbs. (3.0 kg).
Dimensions (length x width x height)15.0" x 1.5" x 18.0" (381 mm x 38 mm x 457 mm).
Weight1 lbs. 4 oz. (1.332 kg).
Humidity Range1 to 100% RH.
Humidity Accuracy±2%
Humidity Drift<0.25% per year.
Temperature (Air only) Range-40° to +150°F (-40° to +65°C).
Temperature (Air only) Sensor Accuracy±0.5°F (±0.3°C) See Graph Below.
Solar-powered, full sun190 ft./min. (0.96 m/s).
Battery only80 feet/min (0.4 m/s).
Radiation Induced Temperature Error+0.6°F (0.3°C) at solar no on (insolation=1040W/m2, avg.wind speed < 2 mph (1 m/s)) (reference: RM Young Model 43408 Fan-Aspirated Radiation Shield).
Battery Charge / Operating Temperature32° to +113°F (0° to +45°C).
Battery Discharge / Storage Temperature4° to +140°F (-20° to +60°C).
Fan Primary PowerSolar panel.
Fan Secondary PowerOne or two 1.2v NiMHC-cells.
CertificateCE certified.

Note: Different Models are Available.

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