Endress+Hauser Differential pressure Deltabar PMD75

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.

Category: E+H

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Description

Differential pressure transmitter with metal sensor for measurement of pressure differences

Specifications

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	-40°C…+85°C (-40°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, CSA, IECEx, JPN Ex, INMETRO, NEPSI, UK Ex
Safety approvals	SIL
Design approvals	NACE MR0103 EN10204-3.1
Hygienic approvals	3A, EHEDG CoC ASME-BPE
Hygienic approvals	GL/ ABS/ LR/ BV/ DNV
Marine approvals	GL/ ABS
Successor	PMD75B
Specialities	Diagnostic functions

Specs at a glance

Pressure measuring range	10 mbar…250 bar (0.15 psi…3750 psi)
Medium temperature range	Temperature gradient from pressure piping
Max. measurement error	0.075% “PLATINUM” 0,05%
Process pressure / max. overpressure limit	420 bar (6300 psi)
Accuracy	Standard: 0.05% Platinum: up to 0.035%
Main wetted parts	Alloy C276 316L Monel Tantalum
Process temperature	-40 °C…85 °C (-40 °F…185 °F)
Max. measurement distance	400 m (1.312 ft) H2O
Max. process pressure	max. 420 bar (max. 6091 psi)
Material process membrane	316L, AlloyC, Tantal, Gold-Rhodium
Measuring cell	10 mbar…250 bar (0.15 psi…3750 psi)
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
Temperature	-40 to +85°C (-40 to +185°F)
Measuring range	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)