Endress+Hauser Deltabar PMD75 Differential Pressure Transmitter

Product Highlights

Best accuracy, reproducibility and long-term stability
Highest safety due to gastight 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)

Field of Application

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 +120°C (-40 to +248°F)
Measuring ranges: 0.25mbar to 40bar (0.0036 to 600psi)
Accuracy: ±0.05%, "Platinum" ±0.025% (optional)
International explosion protection certificates, overfill prevention WHG, SIL, hygienic approvals, marine approvals

Continuous/Liquids
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	-40°C...85°C (-40°F...185°F)
Process temperature	-40°C...120°C (-40°F...248°F)
Process pressure absolute / max. overpressure limit	420bar (6300psi)
Pressure measuring range	10mbar...40bar (0.15psi...600 psi)
Main wetted parts	Alloy C276 316L Monel Tantalum
Process connection	1/4-18NPT RC1/4"
Max. measurement distance	400m (1.312ft) H2O
Output	4...20 mA HART PROFIBUS PA FOUNDATION Fieldbus
Certificates / Approvals	ATEX, FM, CSA, CSA C/US, IEC Ex, TIIS, INMETRO, NEPSI SIL WHG/ Overfill prevention EN10204-3.1 NACE Marine
Options	HistoROM/M-Dat 4-line digital display SS- or Aluminiumhousing Separate housing
Application limits	Measuring cell: Metal welded

Gas/Liquids
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. measured error	0,075% "PLATINUM" 0,05%
Max. process pressure	max. 420bar (Gas: max. 6.091 psi)(Liquids: max. 2.175 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 NEPSI IECEx SIL NACE Schiffbau GL WHG/ Überfüllsicherung EN 10204-3.1

<>Differential pressure<>Characteristic<>4...20mA 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)

Pressure
Measuring Principle
Digital transmitter with metallic measuring diaphragms Modular transmitter Long-term stability High static pressure/Overload resistance Secondary process barrier
Supply voltage
Reference Accuracy	Standard: 0.05% Platinum: up to 0.035%
Long term stability	0,05% of URL/year 0,125% of URL/5 years
Process temperature	-40°C...120°C (-40°F...248°F)
Ambient temperature	-40°C...85°C (-40°F...185°F)
Measuring cell	10mbar...40bar (0.4inH2O...600psi)
Smallest calibratable span	1 mbar (0.015 psi)
Vacuum resistance	50 mbar (7.25psi)
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	None
Material housing	316L, Die-cast aluminum
Output	4...20mA HART PROFIBUS PA FOUNDATION Fieldbus
Certificates / Approvals	ATEX, FM, CSA, CSA C/US, IEC Ex, TIIS, INMETRO, NEPSI WHG/ Overfill prevention SIL NACE GL/ ABS Marine EN10204-3.1
Options	HistoROM/M-Dat 4-line digital display SS- or Aluminium housing Separate housing
Specialities	Diagnostic functions

Steam
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. measured error	0,075% "PLATINUM" 0,05%
Max. process pressure	max. 420bar (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 NEPSI IECEx SIL NACE Schiffbau GL WHG/ Überfüllsicherung EN 10204-3.1

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The Endress+Hauser Deltabar PMD75 Differential Pressure Transmitter

Overview

Product Highlights

Field of Application

Technical Resources

Specifications