
Specs at a glance
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Accuracy
0,1%
"PLATINUM" 0,075% -
Max. measurement error
0,1%
"PLATINUM" 0,075% -
Process temperature
-40 °C...85 °C
(-40 °F...185 °F) -
Medium temperature range
Temperature gradient from pressure piping
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Pressure measuring range
10mbar...40bar
(0.15...580psi) -
Process pressure absolute / max. overpressure limit
160 bar
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Main wetted parts
316L
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Max. process pressure
10 mbar...40 bar
(0.15...580 psi) -
Material process membrane
316L, AlloyC,
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Measuring cell
10 mbar...40 bar
(0.15...580 psi)
Field of application
The Deltabar PMD55 differential pressure transmitter with piezoresistive sensor and welded metallic membrane is typically used in process or environmental applications for continuous measurement of pressure differences in liquids, vapors and gases. Quick Setup with adjustable measuring range allows simple commissioning, reduces costs and saves time. SIL2 according to IEC 61508 / IEC 61511.
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
Benefits
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
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Global usage thanks to the widest range of approvals for industries and applications
Videos
Lean selection
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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity

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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
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Technical Information (TI)
Deltabar M PMD55 Technické informace
Czech version - 12/2016
Měření diferenčního tlaku
EN 22/09/202116/04/201913/12/201613/07/201611/06/2014Language:
Czech
Version:
13/12/2016
File size:
1.8 MB
File name:
PMD55_TI00434PCS_2016.pdf
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Short Instruction (KA)
Deltabar M PMD55
Czech version - 09/2021
Měření tlakové diference PROFIBUS PA
EN 30/09/202113/07/201610/12/201411/06/201426/01/2012Language:
Czech
Version:
30/09/2021
File size:
2 MB
File name:
KA01028PCS_0621-00.pdf
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Technical Information (TI)
Deltabar M PMD55
Differential pressure measurement
EN 22/09/202116/04/201913/12/201613/07/201611/06/2014Language:
English
Version:
22/09/2021
File size:
2.6 MB
File name:
TI00434PEN_2221.pdf
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Technical Information (TI)
Deltatop
Differential pressure flow measurement with orifices and Deltabar differential pressure transmitter
EN 12/10/2007Language:
English
Version:
12/10/2007
File size:
3.9 MB
File name:
TI422PEN_1007.pdf
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Operating Instruction (BA)
Cerabar M /Deltabar M /Deltapilot M Operating Instructions PROFIBUS PA
Cerabar M PMC51, PMP51, PMP55, Pressure transmitter Deltabar M PMD55 Differential pressure transmitter Deltapilot M FM
EN 13/07/201610/12/201411/06/201425/01/201207/06/2011Language:
English
Version:
13/07/2016
File size:
7.8 MB
File name:
BA00383PEN_0816.pdf
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Operating Instruction (BA)
Cerabar M / Deltabar M / Deltapilot M, Operating Instructions FOUNDATION Fieldbus
Cerabar M PMC51, PMP51, PMP55 Pressure transmitter Deltabar M PMD55 Differential pressure transmitter Deltapilot MFMB50 Hydrostatic pressure transmitter
EN 13/07/201610/12/201411/06/201417/08/201225/01/2012Language:
English
Version:
13/07/2016
File size:
7.8 MB
File name:
BA00384PEN_0816.pdf
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Operating Instruction (BA)
Cerabar M, Deltabar M, Deltapilot M HART (V 01.00.zz)
Cerabar M PMC51, PMP51/55 Pressure transmitter Deltabar M PMD55 Differential pressure transmitter Deltapilot M FMB50/5
EN 13/07/201610/12/201411/06/201417/08/201225/01/2012Language:
English
Version:
13/07/2016
File size:
4.8 MB
File name:
BA00382PEN_2016.pdf
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Short Instruction (KA)
Deltabar M PMD55
Differential pressure measurement PROFIBUS PA
EN 30/09/202113/07/201610/12/201411/06/201426/01/2012Language:
English
Version:
30/09/2021
File size:
2 MB
File name:
KA01028PEN_0621-00.pdf
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Short Instruction (KA)
Deltabar M PMD55
Differential pressure measurement HART
EN 30/09/202113/07/201610/12/201411/06/201426/01/2012Language:
English
Version:
30/09/2021
File size:
2 MB
File name:
KA01027PEN_1821-00.pdf
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Short Instruction (KA)
Deltabar M PMD55
Differential pressure measurement FOUNDATION Fieldbus
EN 30/09/202113/07/201610/12/201411/06/201426/01/2012Language:
English
Version:
30/09/2021
File size:
1.9 MB
File name:
KA01029PEN_0621-00.pdf
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Installation Instructions (EA)
Installation instruction - Ground terminal T14/T15/T17, F30/F31
Cerabar S, Deltabar S, Deltabar, Cerabar M, Deltabar M, Deltapilot M
EN 22/06/2015Language:
English
Version:
22/06/2015
File size:
282.8 KB
File name:
EA01131PA2_0115.pdf
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Installation Instructions (EA)
Harting plug HAN7D Installation instruction
Cerabar M/S, Deltabar M/S, Deltapilot M/S
EN 11/04/2012Language:
English
Version:
11/04/2012
File size:
292.8 KB
File name:
EA0006PA2_0810.pdf
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Cover F30/31/34 Alu, gasket
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Cover
Drawing numberOrder code2071092705 -
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Cover F30/31 Alu, Ex d, gasket
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Cover
Drawing numberOrder code2071092706 -
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Cover F30/31/34 Alu, sight glass, gasket
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Cover
Drawing numberOrder code2071092707 -
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Cover F30/31 Alu,Exd,sight glass, gasket
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Cover
Drawing numberOrder code2071092708 -
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Sealing EPDM, F30/31/34, T14/15, 5 pcs.
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Sealing
Drawing numberOrder code2152020429 -
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Plug 3p M12/M20, gasket
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Connection (electrical)
Drawing numberOrder code1552005984 -
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Plug 2/7-pole, HAN7D, gasket
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Connection (electrical)
Drawing numberOrder code1552020762 -
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Cable gland M20 PA, O-ring EPDM/PTFE
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Connection (electrical)
Drawing numberOrder code1571092709 -
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Cable gland M20 Metal, gasket
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Connection (electrical)
Drawing numberOrder code1571092711 -
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Cable entry G1/2, gasket, adapter
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Connection (electrical)
Drawing numberOrder code1571092712 -
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Plug valve, F30/F31, seal NBR
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Connection (electrical)
Drawing numberOrder code1571120017 -
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Ground terminal T14/T15/T17, F30/F31
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further parts
Order code71290825 -
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Display module VU340, Cbar/Dbar/Dpilot M
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Display
Drawing numberOrder code4071091670 -
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Electronics FMB5x, PMC51, PMP5x, PMD55
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Electronic
Drawing numberOrder code30XPP0001- -
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Holder Display Dbar/Cbar/Dpilot M
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Fixing
Drawing numberOrder code4171094113 -
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Set gaskets FKM
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Sealing
Drawing numberOrder code5771092699 -
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Set gaskets NBR
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Sealing
Drawing numberOrder code5771092701 -
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Set gaskets EPDM
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Sealing
Drawing numberOrder code5771092702 -
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Mounting set flange PMD55, PN160, SS
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Fixing
Drawing numberOrder code5671093020 -
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Locking screw (2x), NPT1/4, Alloy
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further parts
Order code71485110 -
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Locking screw (2x), NPT1/4, 316L
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further parts
Order code71485122 -
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Vent valve 316L, 1/4 NPT, 2 pc.
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further parts
Order code71487312 -
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Mounting set PMD55, 7/16-20UNF
Order code71098630 -
Adapter plate PMD55, 7/16-20UNF
Order code71098632 -
Screw set UNF7/16x1/2",VA,4pcs.
Order code943153-0031 -
Mounting set Deltabar S, M10
Order code52024611 -
Mounting set Deltabar M, M10
Order code71101934 -
Mounting kit standard, M10
Order code71435883 -
Adapter plate PMD55, M10
Order code71101935 -
Screw set M10x14,VA,4pcs.
Order code943153-0011 -
Mounting set Deltabar S, 7/16-20UNF
Order code52024609 -
Mount.bracket 3/5 valve, stainless steel
Order code71372499 -
Mounting kit standard, 7/16-20 UNF
Order code71381907