Safety – WIKA TR21-C User Manual
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14006814.01 05/2011 GB/D/F/E
WIKA operating instructions model TR21
7
GB
2.4 Labelling / Safety marks
Product label
2. Safety
Thermowell marking
(Example: model TW61 thermowell for model TR21-B resistance thermometer)
Model
For an explanation of symbols see below
Year of manufacture
Pin assignment
Explanation of symbols
Before mounting and commissioning the instrument, ensure you read
the operating instructions!
CE, Communauté Européenne
Instruments bearing this mark comply with the relevant European directives.
Outer diameter x wall thickness (in mm)
Tubular body
material
Material code
(complete assembly)
Identification of the qualified
(for stamping) inspector
CE-mark
Pipe standard
Hygiene class
max. nominal pressure