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The Endress+Hauser Deltabar PMD55 Differential Pressure Transmitter
The Endress+Hauser Deltabar PMD55 Differential Pressure Transmitter
Endress+Hauser Deltabar PMD55 Differential Pressure Transmitter
Order #: Endress+Hauser Deltabar PMD55 Differential Pressure Transmitter
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Product Highlights
Easy menu-guided commissioning via local display, 4 to 20mA with HART, PROFIBUS PA, FOUNDATION Fieldbus
Easy process adaptation to impulse line high-pressure/low-pressure change via electric switch on the main electronics
Compact design and modular concept for easy replacement of display or electronics
Process pressure up to SIL2, certified to IEC 61508 and IEC 61511
Global usage thanks to the widest range of approvals for industries and applications
Field of Application
For level, volume or mass measurement in liquids, differential pressure monitoring, e.g. of filters and pumps as well as flow measurement (volume or mass flow) in conjunction with primary elements in gases, vapors and liquids.
Process connections: Threads
Process temperature: -40 to 85°C (-40 to 185°F)
Measuring ranges: 0.5mbar to 40bar (0.0072 to 600psi)
Accuracy: ±0.1%, "Platinum" ±0.075% (optional)
International explosion protection certificates, SIL
Continuous/Liquids
Measuring Principle
Differential pressure
Characteristic / Application
Digital transmitter with metallic measuring diaphragms
Supply / Communication
4...20mA HART:
Accuracy
0,1%
"PLATINUM" 0,075%
Long Term Stability
0,05% of URL/year
0,125% of URL/5 years
Ambient Temperature
-40°C...85°C
(-40°F...185°F)
Process Temperature
-40°C...120°C
(-40°F...248°F)
Process Pressure Absolute / Max. Overpressure Limit
-40°C...120°C
(-40°F...248°F)
Pressure Measuring Range
10mbar...40bar
(0.15...580psi)
Main Wetted Parts
316L
Process Connection
1/4-18 NPT
Output
4...20 mA HART
Certificates / Approvals
ATEX, FM, CSA, CSA C/US, IEC Ex, TIIS, INMETRO, NEPSI
Options
Options 4-line digital display
Application Limits
Measuring cell:
Metal weldede
Pressure
Measuring Principle
Differential pressure
Characteristic
Digital transmitter with metallic measuring diaphragms
Supply Voltage
4...20mA HART
Reference Accuracy
0,1%
"PLATINUM" 0,075%
Long Term Stability
0,05% of URL/year
0,125% of URL/5 years
Ambient Temperature
-40°C...85°C
(-40°F...185°F)
Process Temperature
-40°C...120°C
(-40°F...248°F)
Measuring Cell
10mbar...40bar
(0.15...580psi)
Smallest Calibratable Span
0.5 mbar (0.0075 psi)
Max. Turn Down
100:1
Max. Overpressure Limit
On One Side: 160 bar (2300 psi)
Process Connection
1/4-18 NPT
Material Process Membrane
316L, AlloyC
Material Gasket
Viton, PTFE, EPDM, NBR
Fill fluid
Silicone oil, Inert oil
Material Housing
Die-cast aluminum
Output
4...20mA HART
Certificates / Approvals
ATEX, FM, CSA, CSA C/US, IEC Ex, TIIS, INMETRO, NEPSI
Options
4-line digital display
Gas/Liquids/Steam
Measuring Principle
Differential pressure
Product Headline
Digital transmitter with metallic measuring diaphragms
Max. Measured Error
0,1%
"PLATINUM" 0,075%
Max. Process Pressure
10mbar...40bar
(0.15...580psi)
Medium Temperature Range
Temperature gradient from pressure piping
Display/Operation
Option
Outputs
4...20mA HART
Digital Communication
HART
Hazardous Area Approvals
ATEX, FM, CSA, IECEx
Measuring Principle
Differential pressure
Product Headline
Digital transmitter with metallic measuring diaphragms
Max. Measured Error
0,1%
"PLATINUM" 0,075%
Max. Process Pressure
10mbar...40bar
(0.15...580psi)
Medium Temperature Range
Temperature gradient from pressure piping
Display/Operation
Option
Outputs
4...20mA HART
Digital Communication
HART
Hazardous Area Approvals
ATEX, FM, CSA, IECEx
US 
CAN - en 
