3. Safety
3.5 Labelling, safety marks
Product labels (example)
EN
Model
Date of manufacture (year - month)
Approval logos
Information on version (measuring element, output signal, measuring range...)
With transmitter and 4 ... 20 mA output signal
■
With direct sensor output with Pt100 and Pt1000
■
Serial number, TAG number
Thermowell marking
(Example: Model TW61 thermowell for model TR21-B resistance thermometer)
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)
10
WIKA operating instructions model TR21