Endress+Hauser Proservo NMS83 Operating Instructions Manual page 90

Commissioning
90
Profile density measurement
Profile density has three gauge commands as shown below.
NMS8x measures a density profile according to a defined interval of up to 50 points.
G
1c
H
I
J
 45 Overview of profile density (1a, 2a, 3a...show the order of displacer movements.)
A Tank profile
B Interface profile
C Manual profile
D Liquid level
E Upper interface
F Lower interface
G Gas phase
H Upper density
I Middle density
J Lower density
K Tank bottom
Density measurement has two types of modes.
• Normal measure mode: Profile points are measured at exactly configured positions.
• Compensation mode: Profile points are measured at multiples of the wire drum
circumference to further improve accuracy.
Select normal mode as usual. However, when selecting compensation mode, NMS8x
automatically adjusts the measurement positions to where the density measurement
can be the most accurate.
C B
2c
2b
1b
7c
6b
6c
5b
5c
4b
4c 3b
3c
K
Proservo NMS83
A
2a
1a
D
7a
6a
5a
E
4a
F
3a
Endress+Hauser
A0029106