7ML19985QK82 ST-H Transducer – OPERATION MANUAL Page EN-5
mmmmm
English
Safety Precautions
The ST-H transducer body is a two part design moulded in PVDF or ETFE with internal parts
potted in epoxy. The joint between the upper and lower sections is not a hermetic seal. The
structural integrity of the transducer will be compromised if the joint is exposed to an
environment that attacks epoxy. As a result, the top section will separate from the main body
of the transducer.
For environments that are compatible with PVDF or ETFE but may degrade epoxy, the
transducer must be mounted through a flange or stub mount using the 2" thread on the lower
section of the transducer. The joint between upper and lower sections of the transducer must
be isolated from the corrosive environment.
If the top section separates from the main body of the transducer, live circuitry
will be exposed to the hazardous environment, increasing the risk of an
explosion if volatile or explosive dusts or gases are in sufficient concentration.
A malfunction of the level system may also occur, which may affect the
process using the ultrasonic ranging system.
NOTE:
Suitable for
use in a
corrosive
environment.
WARNING:
NOT
suitable
for use in a
corrosive
environment.
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