Figure 33 Analog Input Settings in Vaisala Configuration Tool
Table 30 Analog Input Setting Definitions
Setting Default value Definition
Update interval 1 min Defines analog input measurement interval. A shorter
interval and a longer averaging time increase power
consumption.
Solar radiation and ultrasonic level
sensor av
eraging time
3 s Defines averaging times for solar radiation and
ultrasonic level sensor voltage measurement.
Solar radiation gain 100000 Taken from solar radiation sensor calibration
documen
ts provided with the sensor. For example for
sensitivity 19.71µV/W/m
2
gain is 1 /
0.00001971V/W/m
2
= 50736
Ultrasonic level sensor range 0 … 5 V Selects voltage measurement range. Available ranges:
0 … 2.5 V, 0 … 5 V, 0 … 10 V
Ultrasonic level sensor gain 1 Defines gain factor for auxiliary level voltage
measur
ement. Gain can be used to convert voltage
reading directly to distance/height.
Aux. temperature averaging time 1 Defines PT1000 temperature sensor measurement
a
veraging time in seconds. To minimize sensor self-
heating eect, make it short.
Aux. rain counter reset M = No reset Defines how to reset the rain counter. M means that
y
ou have to manually reset the counter.
WXT530 Series User Guide M211840EN-D
138
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www.streamlinemeasurement.co.uk
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