Endress+Hauser Proservo NMS81 - Page 49

Proservo NMS81
Endress+Hauser 49
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.
HTMS measuring modes
Measuring mode Installation example Measured variables Calculated variables
HTMS + P1

This mode should be used in atmospheric (i.e.
non-pressurized) tanks
2
3
D1
1
A0026830
1 NMS8x
2 To inventory management system
3 Pressure transmitter (bottom)
• Level
• Bottom pressure (at position
D1)
Density of the
medium
HTMS + P1 + P3

This mode should be used in non- atmospheric
(i.e. pressurized) tanks
2
3
4 1
D3
A0026831
1 NMS8x
2 To inventory management system
3 Pressure transmitter (bottom)
4 Pressure transmitter (top)
• Level
• Bottom pressure (at position
D1)
• Top pressure (at position
D3)
Density of the
medium