Deltabar S
Endress+Hauser 7
Level measurement (level,
volume and mass)
Design and operation mode
P01xMD7xxxx-15-xx-xx-xx-000
Level measurement with Deltabar S
1 Level measurement via pressure piping and PMD70
2 Level measurement with FMD76
3 Level measurement with FMD78
h Height (level)
'p Differential pressure
U Density of the media
g Gravitation constant
Your benefits
• Choice of three level operating modes.
• Volume and mass measurements in any tank shapes by means of a freely programmable characteristic curve.
• Choice of diverse level units with automatic unit conversion.
• A customized unit can be specified.
• Has a wide range of uses, e.g.
– for level measurement in tanks with pressure overlay
– in the event of foam formation
– in tanks with agitators of screen fittings
– in the event of liquid gases
– for standard level measurement
Communication protocol • 4 to 20 mA with HART communication protocol
• PROFIBUS PA
– The Endress+Hauser devices meet the requirements of the FISCO model.
– Due to the low current consumption of 13 mA ± 1 mA, the following number of devices can be operated
on one bus segment if installing as per FISCO:
– up to 7 Deltabar S for Ex ia, CSA IS and FM IS applications
– up to 27 Deltabar S for all other applications, e.g. in non-hazardous areas, Ex nA, etc.
Further information on PROFIBUS PA can be found in Operating Instructions BA00034S "PROFIBUS DP/
PA: Guidelines for planning and commissioning" and in the PNO Guideline.
• FOUNDATION Fieldbus
– The Endress+Hauser devices meet the requirements of the FISCO model.
– Due to the low current consumption of 15,5 mA ± 1 mA, the following number of devices can be operated
on one bus segment if installing as per FISCO:
– up to 6 Deltabar S for Ex ia, CSA IS and FM IS applications
– up to 24 Deltabar S for all other applications, e.g. in non-hazardous areas, Ex nA, etc.
Further information on FOUNDATION Fieldbus, such as requirements for bus system components can be
found in Operating Instructions BA00013S "FOUNDATION Fieldbus Overview".
h=
Δp
ρ g
+
+
–
–
h
➀
➂
➁