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2. Design and function
2. Design and function
2.1 Overview
Pointer
Dial with pressure scale
Case
Window
Blow-out device
2)
1) See chapter 3.7 "Dial layout"
2) Prevents the ejection of the window in the event of a sudden pressure increase in the case
3) Protects against the ingress of dust and water into the case
2.2 Description
The pressure gauges in DirectDrive version do not require a movement. The measuring
element of the model 116.18.02x is designed in a helical form. The pressure element acts
as a pointer itself. The shape of the pressure element provides for a pointer rotation propor-
tional to the pressure. With this, on the one hand, the vibration resistance of the model is
increased and on the other it enables a particularly flat design.
2.3 Scope of delivery
Cross-check scope of delivery with delivery note.
WIKA operating instructions model 116.18.02x
1)
with compensation foil
for overpressure
3)
EN
5
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