EN
14170746.05 03/2022 EN/DE/FR/ES
WIKA additional information model TR21 (Ex i)
9
Thermowell marking
Max. nominal pressure
Pipe standard
CE mark
Hygiene class
Identification of the qualified inspector (for stamping)
Material code (complete assembly)
Tubular body material
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.
▶
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
2. Safety / 3. Commissioning, operation
Содержание TR21-A
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