Endress+Hauser Proservo NMS81 Technical Information page 49

Proservo NMS81
HTMS measuring modes
Measuring mode
HTMS + P1

This mode should be used in atmospheric (i.e.
non-pressurized) tanks
HTMS + P1 + P3

This mode should be used in non- atmospheric
(i.e. pressurized) tanks
Endress+Hauser
Hybrid tank measurement system (HTMS)
HTMS uses level and pressure measurements to calculate the contents of the tank and (optionally)
the density of the medium.
Installation example
1
1 NMS8x
2 To inventory management system
3 Pressure transmitter (bottom)
4
1 NMS8x
2 To inventory management system
3 Pressure transmitter (bottom)
4 Pressure transmitter (top)
Measured variables
• Level
• Bottom pressure (at position
D1)
2
3
A0026830
• Level
• Bottom pressure (at position
1
D1)
• Top pressure (at position
D3)
2
3
A0026831
Calculated variables
Density of the
medium
Density of the
medium
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