Version 1.0
©Copyright 2020, Ambient LLC. All Rights Reserved.
Page 37
Figure 43
6.6.2
Notes About Calibration
Parameter
Type of
Calibration
Default
Typical Calibration Source
Temperature
Offset
Current Value Red Spirit or Mercury
Thermometer (1)
Humidity
Offset
Current Value Sling Psychrometer (2)
ABS
Barometer
Offset
Current Value Calibrated laboratory grade
barometer
REL Barometer Offset
Current Value Local airport (3)
Wind Direction
Offset
Current Value GPS, Compass (4)
Light Intensity
Gain
1.00 Calibrated laboratory grade
solar radiation sensor
Wind
Gain
1.00 Calibrated laboratory grade
wind meter (6)
Rain
Gain
1.00 Sight glass rain gauge with an
aperture of at least 4” (7)
(1)
Temperature errors can occur when a sensor is placed too close to a heat source (such as a