Differential pressure
Deltabar PMD75

Differential pressure transmitter with metal sensor for measurement of pressure differences

PMD75

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Specs at a glance

Accuracy

Standard: 0.05%
Platinum: up to 0.035%
Process temperature

-40 °C...85 °C
(-40 °F...185 °F)
Pressure measuring range

10 mbar...250 bar
(0.15 psi...3750 psi)
Main wetted parts

Alloy C276
316L
Monel
Tantalum
Material process membrane

316L, AlloyC,
Tantal,
Gold-Rhodium
Measuring cell

10 mbar...250 bar
(0.15 psi...3750 psi)

See all specifications

Field of application

The Deltabar PMD75 differential pressure transmitter with piezoresistive sensor and welded metallic membrane is used in all industries for continuous measurement in liquids, vapors and gases. The 3-key operation enables simple and reliable commissioning and operation. The integrated HistoROM data module allows easy management of process and device parameters. Designed according to IEC 61508 for use in SIL2/3 safety applications.

For level, volume or mass measurement in liquids, differential pressure monitoring 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: 0.25mbar to 40bar (0.0036 to 600psi)
Accuracy: ±0.05%, "Platinum" ±0.035% (optional)
International explosion protection certificates, overfill prevention WHG, SIL, hygienic approvals, marine approvals

Benefits

Best accuracy, reproducibility and long-term stability
Highest safety due to gas tight feedthrough with capabilities up to SIL2/3, certified to IEC 61508
Easy menu-guided commissioning via local display, 4 to 20mA with HART, PROFIBUS PA, FOUNDATION Fieldbus
HistoROM data management concept for fast and easy commissioning, maintenance and diagnostics
Cost savings with modular concept for easy replacement of sensor, display or electronics
Overload-resistant up to 420bar / 42MPa / 6300psi, function-monitored
Seamless and independent system integration (HART/PA/FF)

Videos

Pressure measuring principle
Functional safety in process measurement

Extended selection

High-end products
Highly functional and convenient

Technical excellence

Simplicity

What is FLEX?

Simple products
Easy to select, install and operate

Technical excellence

Simplicity

What is FLEX?

Standard products
Reliable, robust and low-maintenance

Technical excellence

Simplicity

What is FLEX?

High-end products
Highly functional and convenient

Technical excellence

Simplicity

What is FLEX?

Specialized products
Designed for demanding applications

Technical excellence

Simplicity

Variable

What is FLEX?

FLEX selections	Technical excellence	Simplicity
F L E X Fundamental selection Meet your basic measurement needs	Technical excellence	Simplicity
F L E X Lean selection Handle your core processes easily	Technical excellence	Simplicity
F L E X Extended selection Optimize your processes with innovative technologies	Technical excellence	Simplicity
F L E X Xpert selection Master your most challenging applications	Technical excellence	Simplicity Variable

Learn more about the FLEX selections

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Predecessor

Deltabar S PMD70

Deltabar S PMD235

Success stories

Time saved, safety increased

Employees of Returkraft regularly have to fulfill and document all requirements of the SIL measuring points in the plant.
Read the full story
Fit for purpose instrumentation for CNG compressors

The Egyptian government is working to replace liquid fuels with natural gas. To achieve this they targeted increasing the number of CNG stations in their country from 306 to 1000 by the end of 2021.
Read the full story

Measuring principle

Differential pressure
Characteristic

Digital transmitter with metallic measuring diaphragms
Modular transmitter
Long-term stability
High static pressure/Overload resistance
Secondary process barrier
Supply voltage

4...20 mA HART
10,5...45V DC (Non Ex):
Ex ia: 10,5...30V DC
PROFIBUS PA:
9...32 V DC (Non Ex)
FOUNDATION Fieldbus:
9...32 V DC (Non Ex)
Reference Accuracy

Standard: 0.05%
Platinum: up to 0.035%
Long term stability

0.03 % of URL/ year
0.05 % of URL/ 5 years
0.08 % of URL/ 10 years
Process temperature

-40°C...85°C
(-40°F...185°F)
Ambient temperature

-50°C...85°C
(-58°F...185°F)
Measuring cell

10 mbar...250 bar
(0.15 psi...3750 psi)
Smallest calibratable span

1 mbar (0.015 psi)
Vacuum resistance

50 mbar (0.73 psi)
Max. Turn down

100:1
Max. overpressure limit

On one side:
420 bar
(6300psi)
Process connection

1/4-18NPT
RC1/4"
Material process membrane

316L, AlloyC,
Tantal,
Gold-Rhodium
Material gasket

Viton, PTFE, EPDM, NBR
Fill fluid

Silicone oil
Inert oil
Material housing

316L, Die-cast aluminum
Communication

4...20 mA HART
PROFIBUS PA
FOUNDATION Fieldbus
Certificates / Approvals

ATEX, FM, CSA, CSA C/US, IEC Ex, INMETRO, NEPSI, EAC, UK Ex
Safety approvals

SIL
Design approvals

NACE MR0103
EN10204-3.1
Marine approvals

GL/ ABS
Specialities

Diagnostic functions
Successor

PMD75B

Measuring principle

Differential pressure
Characteristic / Application

Digital transmitter with metallic measuring diaphragms
Modular transmitter
Long term stability
High static pressure/Overload resistance
Enhanced safety via self diagnostic functions
Secondary process barrier
Supply / Communication

4...20 mA HART:
10,5...45V DC
Ex ia: 10,5...30V DC
PROFIBUS PA /
FOUNDATION Fieldbus:
9...32V DC
Accuracy

Standard: 0.05%
Platinum: up to 0.035%
Long term stability

0,05% of URL/year
Ambient temperature

-50 °C...85 °C
(-58 °F...185 °F)
Process temperature

-40 °C...85 °C
(-40 °F...185 °F)
Process pressure / max. overpressure limit

420 bar (6300 psi)
Pressure measuring range

10 mbar...250 bar
(0.15 psi...3750 psi)
Main wetted parts

Alloy C276
316L
Monel
Tantalum
Process connection

1/4-18NPT
RC1/4"
Max. measurement distance

400 m (1.312 ft) H2O
Communication

4...20 mA HART
PROFIBUS PA
FOUNDATION Fieldbus
Certificates / Approvals

ATEX, FM, CSA, CSA C/US, IEC Ex, INMETRO, NEPSI, EAC
Safety approvals

SIL
Design approvals

EN 10204-3.1
NACE MR0175, MR0103
Marine approval

GL/ ABS
Options

HistoROM/M-Dat
4-line digital display
SS- or Aluminiumhousing
Separate housing
Successor

PMD75B
Application limits

Measuring cell:
Metal welded

Measuring principle

Differential pressure
Product headline

Digital transmitter with metallic measuring diaphragms
Modular transmitter
Long-term stability
High static pressure/Overload resistance
Enhanced safety via self diagnostic functions
Secondary process barrier
Max. measurement error

0,075%
"PLATINUM" 0,05%
Max. process pressure

max. 420 bar
(max. 2175 psi)
Medium temperature range

Temperature gradient from pressure piping
Display/Operation

Option
Outputs

4...20mA HART
PROFIBUS PA
FOUNDATION Fieldbus
Digital communication

HART
PROFIBUS PA
FOUNDATION Fieldbus
Hazardous area approvals

ATEX, FM, CSA, IECEx, INMETRO, NEPSI, TIIS
Functional safety

SIL
Material certificates

NACE MR0103
NACE MR0175
EN10204-3.1

Measuring principle

Differential pressure
Product headline

Digital transmitter with metallic measuring diaphragms
Modular transmitter
Long-term stability
High static pressure/Overload resistance
Enhanced safety via self diagnostic functions
Secondary process barrier
Max. measurement error

0,075%
"PLATINUM" 0,05%
Max. process pressure

max. 420 bar
(max. 6091 psi)
Medium temperature range

Temperature gradient from pressure piping
Display/Operation

Option
Outputs

4...20mA HART
PROFIBUS PA
FOUNDATION Fieldbus
Digital communication

HART
PROFIBUS PA
FOUNDATION Fieldbus
Hazardous area approvals

ATEX, FM, CSA, IECEx, INMETRO, NEPSI, TIIS
Functional safety

SIL
Material certificates

NACE MR0103
NACE MR0175
EN10204-3.1

Measuring principle

Differential pressure
Product headline

Digital transmitter with metallic measuring diaphragms
Modular transmitter
Long-term stability
High static pressure/Overload resistance
Enhanced safety via self diagnostic functions
Secondary process barrier
Max. measurement error

0,075%
"PLATINUM" 0,05%
Max. process pressure

max. 420 bar
(max. 6 091 psi)
Medium temperature range

Temperature gradient from pressure piping
Display/Operation

Option
Outputs

4...20mA HART
PROFIBUS PA
FOUNDATION Fieldbus
Digital communication

HART
PROFIBUS PA
FOUNDATION Fieldbus
Hazardous area approvals

ATEX, FM, CSA, IECEx, INMETRO, NEPSI, TIIS
Functional safety

SIL
Material certificates

NACE MR0103
NACE MR0175
EN10204-3.1

	EN
01/04/2024
04/01/2022
03/12/2020
23/11/2020
01/04/2020

Language:	English
Version:	01/04/2024
File size:	3.7 MB
File name:	TI00382PEN_3524-00.pdf

Language:	English
Version:	20/03/2007
File size:	3.8 MB
File name:	TI425PEN_1007.pdf

Language:	English
Version:	20/03/2007
File size:	3.8 MB
File name:	TI425PEN_1007.pdf

	EN
01/04/2024
04/01/2022
03/12/2020
23/11/2020
01/04/2020

	EN
20/03/2007

	EN
20/03/2007

	EN
12/10/2007

	EN
03/04/2017
10/12/2014
07/08/2013
01/10/2011
01/05/2010

Differential pressureDeltabar PMD75

Differential pressure transmitter with metal sensor for measurement of pressure differences

Specs at a glance

Accuracy

Process temperature

Pressure measuring range

Main wetted parts

Material process membrane

Measuring cell

Field of application

Benefits

Videos

Extended selection

Predecessor

Success stories

Time saved, safety increased

Fit for purpose instrumentation for CNG compressors

Measuring principle

Characteristic

Supply voltage

Reference Accuracy

Long term stability

Process temperature

Ambient temperature

Measuring cell

Smallest calibratable span

Vacuum resistance

Max. Turn down

Max. overpressure limit

Process connection

Material process membrane

Material gasket

Fill fluid

Material housing

Communication

Certificates / Approvals

Safety approvals

Design approvals

Marine approvals

Specialities

Successor

Measuring principle

Characteristic / Application

Supply / Communication

Accuracy

Long term stability

Ambient temperature

Process temperature

Process pressure / max. overpressure limit

Pressure measuring range

Main wetted parts

Process connection

Max. measurement distance

Communication

Certificates / Approvals

Safety approvals

Design approvals

Marine approval

Options

Successor

Application limits

Measuring principle

Product headline

Max. measurement error

Max. process pressure

Medium temperature range

Display/Operation

Outputs

Digital communication

Hazardous area approvals

Functional safety

Material certificates

Measuring principle

Product headline

Max. measurement error

Max. process pressure

Medium temperature range

Display/Operation

Outputs

Digital communication

Differential pressure
Deltabar PMD75