Siemens SITRANS P300 7MF8.23 Serie Instrucciones De Funcionamiento Compactas página 13

Note
Protect the transmitter from:
● Direct heat
● Rapid temperature changes
● Severe soiling
● Mechanical damage
● Direct sunlight
NOTICE
The enclosure may only be opened for maintenance, local operation or to make electrical connections.
The installation location is to be as follows:
● Easily accessible
● As close as possible to the measuring point
● Vibration-free
● Within the permitted ambient temperature values
Installation configuration
The transmitter can only be used in non-pressurized vessels for level.
Installation height
Level of non-pressurized vessel
MA Zero point
ME Limit point
p Pressure
h Start-of-scale value
U
h Full-scale value
O
Note
Select the height of the container flange for recording of the transmitter (
measured is always over the flange or at its upper edge.
SITRANS P300 (7MF8.23.. 7MF8.24.. 7MF8.25..)
A5E03434657-01, 08/2011
Formula:
Zero point: p ρ · g · H
MA =
Full-scale value: p
ME =
Δp Limit point to be adjusted
MA
Δp Limit point to be adjusted
ME
ρ Density of the measured medium in the
container
g Acceleration due to gravity
measuring point
U
ρ · g · H
O
) such that the lowest level to be
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