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5. Commissioning, operation
5. Commissioning, operation
Before installation, commissioning and operation, ensure that the
EN
appropriate instrument has been selected in terms of scale range,
design and specific measuring conditions.
5.1 Mechanical connection
When screwing the instruments in, the force required to do this must not
be applied through the case, but only through the spanner flats provided
for this purpose, and using a suitable tool.
Installation with
open-ended spanner
If possible, the entire length of the stem should be exposed to the
■
temperature being measured. However, at least the length of the
active part that corresponds to the length of the gas expansion
vessel (active length).
16
WARNING!
Physical injuries and damage to property and the
environment caused by hazardous media
Upon contact with hazardous media (e.g. with flammable
or toxic substances), harmful media (e.g. corrosive, toxic,
carcinogenic, radioactive), there is a danger of physical
injuries and damage to property and the environment.
Should a failure occur, aggressive media with extremely
high temperature and under high pressure may be present
at the instrument.
▶
For these media, in addition to all standard regulations,
the appropriate existing codes or regulations must also
be followed.
▶
Wear the requisite protective equipment.
WIKA operating instructions model TGT73 (Ex)
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