Samson Media 7, Mounting And Operating Instructions

Page: 19 / 96

EB 9510 EN 19
Design and principle of operation
3.2.3 Device arrangement for liquid level measurement
− Fig. 3, diagram 1: measurement on cryogenic tanks
− Fig. 3, diagram 2: measurement on pressure vessels with condensing or non-condensing
pressure reserve. The additional height z is included in the measurement. As a result, this
height (z) must be as low as possible.
− Fig. 3, diagram 3: measurement on open vessels with the meter located in a low position.
The compensation height K can be as large as required depending on the conditions in
the plant.
h
H
z
h
H
h
K
H
Y
+ –
+ – + –
Diagram 1 Diagram 2 Diagram 3
h Measured height
H Measuring range
z Additional height
K Compensation height
Fig. 3: Liquid level measurement · Arrangement of devices (illustration with SAMSON valve block)