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Assembly on a closed container
When taking measurements in a closed container without or with little condensate formation,
the negative pressure line is not filled. Lay the line in such a way that condensation pockets
do not form. Install a condensation container if required.
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6WDUWRIVFDOHYDOXH
0D[LPXPOHYHO
6WDWLF
SUHVVXUH
K
2
K
8
*DVILOOHGORZ
SUHVVXUHOLQH
7UDQVPLWWHU
UHIHUHQFHOLQH
Measurement assembly on a closed container (no or little
condensate separation)
Formula:
Start of scale value: Δp
MA
= ρ · g · h
U
Full-scale value: Δp
ME
= ρ · g · h
O
h
U
Lower filling level
Δp
MA
Start of scale value
h
O
Upper filling level
Δp
ME
Full-scale value
p
Pressure
ρ
Density of the measured medium in the
container
g
Acceleration due to gravity
Installing/mounting
5.3 Installation (level)
SITRANS P320/P420 (mA/HART)
48
Operating Instructions, 06/2018, A5E44852162-AA
Содержание SITRANS P320
Страница 10: ...Table of contents SITRANS P320 P420 mA HART 10 Operating Instructions 06 2018 A5E44852162 AA ...
Страница 18: ...Introduction 2 7 Notes on warranty SITRANS P320 P420 mA HART 18 Operating Instructions 06 2018 A5E44852162 AA ...
Страница 174: ...Functional Safety 10 7 Repair and service SITRANS P320 P420 mA HART 174 Operating Instructions 06 2018 A5E44852162 AA ...
Страница 260: ...Index SITRANS P320 P420 mA HART 260 Operating Instructions 06 2018 A5E44852162 AA ...