14
SV 200A User Manual
1.4.4 SP 275 - weather station
SP 275
is a Vaisala Weather Transmitter WXT5xx type meteorological
station used optionally with the SV 200A monitoring station. It is
connected to SV 200A via serial RS 232C interface.
SP 275 measures 6 most essential weather parameters (barometric
pressure, humidity, precipitation, temperature, wind speed and direction)
and also rain and hail intensity. It is compact and light-weight, has no
moving parts, has internal heating and can be easily installed with a one-
bolt mounting method.
SP 275 has an automatic control circuit that switches the heating on at
low temperatures.
Five measurement weather parameters (barometric pressure, humidity,
temperature, wind speed and direction) are transferred from the SP 275
to the monitoring station every second.
Precipitation and 3 values for rain and hail (intensity, accumulation and
duration) are transferred, every 10 seconds, only when it is raining or
hailing.
SV 200A may save them in the logger file as a
Summary Results
with
the
Integration Period
step and as a time-history results with the
Logger Step
You may switch on or off recording of the Meteo results in the logger file
through the + program (see Chapter
Note: See also Vaisala WXT5xx User Guide.
1.4.5 SP 272
– alarm lamp
SP 272
is a type WERMA, LED/Buzzer alarm lamp (12V DC).
The alarm lamp is connecting to the
EXTERNAL INTERFACE
connector
instead of the Meteo module.
In this lamp, the buzzer is disabled by default. To enable it:
1. open the case by pushing the black button and turning the plafond
and
2. shift the switch to the left.
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