The initial tip counter overflows if it reaches 65536 and it starts from 0. If the tipping bucket
resolution is 0
.2 mm per tip, the gain is 0.2, and the maximum rain amount before overflow
is 65536 × 0.2 = 13107 mm.
Limit [L]
[L] defines
the reset limit. The rain counter resets when it reaches this value. The unit is the
same as in gain [G].
The range: 0.000 000 001 … 1 000 000
Parameter Selection [aIU,R = bit 2 and bit 10]
Bits 7 and 14 enable normal and composite message for aux rain accumulation. You can
select the parameter with the aIU command. The maximum value for the rain counter is
65535 * gain.
8.1.6.7 Solar Radiation Sensor Settings [aIB]
Gain
[G]
defines
the volts / user unit, for example, μV/W/m
2
. WXT reports the voltage at solar
radiation input multiplied with gain [G].
For example, if the solar radiation sensor has sensitivity 5 μV/W/m
2
and you set the gain [G]
to 1/ μV = 200 000, the solar radiation value reported by WXT is in W/m
2
. WXT reports the
value always with six decimals.
The range: 0.000 000 001 … 1 000 000
Parameter Selection [aIU,R= bit 3 and bit 11]
The bits enable normal and composite messages. You can select the parameters with the
aIU command.
8.1.6.8 Ultrasonic Level Sensor Settings [aIS]
Gain [G]
[G] defines the volts / user unit, for example, V/m. WXT reports the voltage at input
multiplied with the gain [G].
F
or e
xample, if the sensor has gain 2 V/meter and the user sets the gain [G] to 0.5, the value
reported by WXT is in meters. WXT reports the value with 6 decimals.
The range: 0.000 000 001 … 1 000 000
Parameter Selection [aIU,R= (bit 3 and bit 11)]
The bits enable normal and composite messages. You can select the parameters with the
aIU command.
8.1.6.9 Aux.temperature Sensor Settings [aIP]
You can set the temperature settings for the temperature unit with the aTU,U= c
ommand.
W
XT530 Series User Guide M211840EN-D
142
sales@streamlinemeasurement.co.uk
www.streamlinemeasurement.co.uk
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