KBF P + KBF LQC + KBWF (E6) 11/2016 page 32/189
4.5 Connecting the light sensors – KBF LQC
Two light sensors to measure illumination and UV-
freely positioned in the inner chamber. The sensors are equipped with
a cable of at least 1.3 m length. They are plugged in the LEMO sock-
ets marked “V-λ SENSOR” or “UVA SENSOR” in the inner chamber.
Figure 13: Lemo sockets to connect the light sensors
The maximum ambient temperature of the light sensors is 60 °C. At higher temperatures the sen-
sors will be destroyed.
When at least one of the light sensors is plugged in, the maximum temperature of the chamber is auto-
matically limited to 60 °C. When exceeding the actual or set-point value of 60 °C due to an excessively
high temperature set-point or an error, the message Light sensor 60 °C! is displayed (chap. 12.1.3). As
soon as the chamber has cooled down to a value ≤60 °C or the set-point has been reset accordingly, the
message disappears.
CAUTION
Excessive inner chamber temperature.
Destruction of light sensors.
∅ With chamber temperature > 60 °C do NOT plug-in the light sensors and do NOT leave
them inside the chamber.
∅ Do NOT set a controller set-point above 60 °C when the light sensors are inside the
chamber
If no light sensor is plugged in, p
rotect the connection sockets by
closing them with the protecting caps attached
of humidity and dirt accumulation at the contacts.
Figure 14: Connection sockets closed with protecting caps
For the characteristic features of the light sensors see chap. 20.5.
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