Density Meter LB 444 SECTION 3. INSTALLATION
33
3.3 Installation of Water Cooling
The maximum operating temperature of a scintillation counter is 50°C
. A
cooling system (which is available as an accessory) must be used if the tem-
perature at the detector is likely to be higher, due to heat emission of the pipe-
line and/or higher ambient temperatures.
The cooling jacket may be added to installed detectors. First, remove the lead
shielding at the front and also the distance ring. After sliding over the cooling
jacket, screw the lead shielding on again
without
the distance ring.
The water must enter from the bottom and exit at the top
. Thus, the cooling
jacket is always filled with water.
In case of ambient temperatures above 70 deg.C, the connection cables
used must be able to withstand these temperatures!
Water cooling
Lead shielding
Inlet
Outlet
Figure 19: Installation of water-cooling
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