Absolute and gauge pressure Cerabar PMP71

Absolute and gauge pressure Cerabar PMP71 – Digital pressure transmitter with welded metal sensor for measurement in gases, steam or liquids

Specifications:

Measuring Principle	Absolute and gauge pressure
Characteristic	Digital transmitter with piezoresistive sensor and welded metallic membrane; Modular transmitter; Long term stability; Enhanced safety via self diagnostic functions; 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 0.025%
Long Term Stability	0.05 % of URL/ year; 0.07 % of URL/ 5 years; 0.1 % of URL/ 10 years
Process Temperature	-40°C...125°C (-40°F...257°F)
Ambient Temperature	-50°C...85°C (-58°F...185°F)
Measuring Cell	400 mbar...700 bar (5.8 psi...10.500 psi) relative/ absolute
Smallest Calibratable Span	5 mbar (0.075 psi)
Vacuum Resistance	10 mbar (0.15 psi)
Max. Turn Down	100:1
Max. Overpressure Limit	1050 bar (15.750 psi)
Process Connection	Thread: G1/2...G2, R1/2, MNPT1/2...MNPT2; Flange: DN25...DN80, ASME 1"...4", JIS 10K...20K
Material Process Membrane	316L, AlloyC, Rhodium> Gold
Material Gasket	None, measuring cell welded
Fill Fluid	Silicone oil, Inert oil
Material Housing	Die-cast aluminum, AISI 316L
Communication	4...20 mA HART; 1- 5V DC Low Power; PROFIBUS PA; FOUNDATION Fieldbus
Certificates / Approvals	ATEX, FM, CSA, CSA C/US, IEC Ex, JPN Ex, INMETRO, NEPSI, EAC, UK Ex
Safety Approvals	SIL
Design Approvals	EN10204-3.1; NACE MR0175
Marine Approvals	GL/ABS
Drinking Water Approvals	NSF
Specialities	Diagnostic functions
Successor	PMP71B

Field of application

The Cerabar PMP71 digital pressure transmitter with metallic membrane is typically used in process applications for pressure, level, volume or mass measurement in liquids or gases. PMP71 is designed for high pressure applications up to 700bar. Quick Setup with freely adjustable measuring range without pressure specification. Designed according to IEC 61508 for use in SIL2/3 safety systems and available with MID Parts Certificate suitable for custody transfer applications.

Two chamber aluminum or stainless steel (316L) housing.

Process connections: Threads and flange connections
Process temperature: -40 to +125°C (-40 to +257°F)
Measuring ranges: -1/0 up to 700bar (-15/0 up to +10,500psi)
Accuracy: ±0.05%, “Platinum” ±0.025%
International explosion protection certificates, overfill prevention WHG, hygienic approvals, marine approvals, SIL

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
Overload-resistant and function-monitored from the measuring cell to the electronics
Available with mounted manifolds: always fit, always tested for leaks
Seamless and independent system integration (HART/PA/FF)