EN
14096788.08 02/2022 EN/DE/FR/ES
14
WIKA operating instructions models TR31-3, TR31-K
separately to the equipotential bonding system, provided that it has a
fixed and secure contact to the metallic vessel, its components or pipes,
and that these are connected to the equipotential bonding system.
When there is a non-metallic contact with the vessel, or with its
structural components or piping, the instrument must be provided with
equipotential bonding.
WARNING!
Neither repairs nor structural modifications are permitted,
and any would void the guarantee.
Installation examples
For information on tapped holes, refer to DIN 3852 or for NPT threads to
ANSI B 1.20.
Installation on pipes
a on elbows
b in smaller pipe, inclined
c perpendicular to flow direction
Insertion length A
5. Commissioning, operation