Labelling / Safety Marks - WIKA TR21-C Manual De Instrucciones

2. Safety

2.4 Labelling / Safety marks

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