Ambient Weather OBSERVERIP 2.0 User Manual page 16

Parameter Type of
Calibration
Temperature Offset
Humidity Offset
ABS Barometer Offset
REL Barometer Offset
Wind Direction Offset
Solar Radiation Gain
UV Gain
Wind Gain
Rain Gain
(1) Temperature errors can occur when a sensor is placed too close to a heat source (such as a
building structure, the ground, or trees).
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Figure 7
Default
Current Value Red Spirit or Mercury Thermometer (1)
Current Value Sling Psychrometer (2)
Current Value Calibrated laboratory grade barometer
Current Value Local airport (3)
Current Value GPS, Compass (4)
1.00 Calibrated laboratory grade solar radiation sensor
126.7 lux Solar radiation conversion from lux to w/m
wavelength correction (5)
1.00 Calibrated laboratory grade wind meter (6)
1.00 Sight glass rain gauge with an aperture of at least 4"
(7)
Typical Calibration Source
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