WIKA TR21 Serie Informations Complémentaires page 9

2. Safety / 3. Commissioning, operation
Thermowell marking
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Max. nominal pressure
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Pipe standard
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CE mark
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Hygiene class
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Identification of the qualified inspector (for stamping)
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Material code (complete assembly)
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Tubular body material
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 Outer diameter x wall thickness (in mm)
3. Commissioning, operation
DANGER!
Danger to life from explosion
By using a measuring insert without a suitable connection head (case), an
explosion risk occurs which can cause fatalities.
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Only use the measuring insert in the connection head designed for it.
DANGER!
Danger to life from missing instrument grounding
With missing or incorrect grounding, there exists a risk of dangerous voltages
(leading to, for example, mechanical damage, electrostatic charge or
induction).
▶
Ground thermometer!
Observe the special conditions (see chapter 4 "Special conditions for safe use
(X conditions)", point 2).
WIKA additional information model TR21 (Ex i)
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EN
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