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Vaisala CT25K - 5.2.3 Internal Monitoring and Control; 5.3 Module Descriptions; 5.3.1 Optical Subassembly CTB22

Vaisala CT25K
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Ceilometer CT25K
User’s Guide CT25K-U059en-2.1
44
LINES 15...20
Temperature and environment variables as follows:
TEMPERATURE BLOWER +20C Temperatue measured at the
Window Conditioner blower
airfow exit, e.g. +20 deg C
CPU +34C Temperature on the
microprocessor (CPU) Board,
e.g. +34 deg C
LASER +29C Temperature measured at the
laser diode, e.g. +29 deg C
LENS +34C Temperature measured
adjacent to the lens, e.g.
+34 deg C
OUTSIDE +23C Temperature measured by the
external sensor (at
connectors), e.g. +23 deg C
ENVIRONMENT WINDOW 210mV
102%
Value of window
contamination measurement,
e.g. 210 mV, and ratio in
per cent compared to factory
setting, e.g. 102 %
RADIANCE +60mV Value of background radiance
measurement, e.g. 60 mV
ANGLE +3DEG Value of tilt angle relative
to vertical, e.g. +3
degrees. Positive value
means that door of the unit
tilts towards ground.
HUMIDITY NONE (Relative Humidity in per
cent inside the ceilometer
if sensor is furnished)
LINE 21
Status of Internal Heater (INHEATER ON/OFF), Window Conditioner Heater
(OUTHEATER ON/OFF), Window Conditioner Blower (BLOWER
ON/OFF).
LINE 22
L End-of-Text and CRLF

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