KROHNE OPTITEMP TRA-TCA EN - Manual (Page 31)

INSTALLATION
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OPTITEMP TRA/TCA
www.krohne.com 08/2010 - 4000630501 - MA OPTITEMP TRA/TCA R01 en
3.6.4 Insertion-type thermometer without thermowell
As with the installation of an insertion-type thermometer with a thermowell, the version without
a thermowell can be installed in two different ways:
• Insertion
• Attachment with a comprression fitting
You may bend measuring inserts, but be advised of the following restrictions:
Also keep in mind the following information regarding the maximum allowable loads:
CAUTION!
Ensure that when bending the sheath, the smallest bending radius is at least three times the
diameter of the sheath! Otherwise you may damage or destroy the mineral insulated sheathed
cable and thus the measuring insert.
CAUTION!
Do not bend the bottom 50 mm / 2" of the sheath! This may damage or destroy the RTD or the
thermocouple.
CAUTION!
Only operate the industrial thermometer without a thermowell if the static process pressure is in
the range of 0.8...1.2 bara / 11.6...17.4 psia! If the static process pressure is too high (over
1.2 bara / 11.6 psia) or too low (below 1.2 bara / 17.4 psia) the measuring insert may be damaged
or destroyed.
CAUTION!
If you are unsure as to whether the device can withstand the loads of the process when using an
insertion-type thermometer without thermowell, have a separate strength calculation done (e.g.
per DITTRICH or MURDOCK)! For further information contact the manufacturer.
.book Page 31 Tuesday, August 17, 2010 12:18 PM