Absolute and gauge pressure Cerabar PMC71

Absolute and gauge pressure Cerabar PMC71 – Digital pressure transmitter with oil-free ceramic sensor for measurement in gases or liquids.

Specifications:

Measuring Principle	Absolute and gauge pressure
Characteristic	Digital transmitter with capacitive sensor and ceramic 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; 0.08 % of URL/ 5 years; 0.1 % of URL/ 10 years
Process Temperature	-20°C...150°C (-4°F...257°F)
Ambient Temperature	-40°C...85°C (-40°F...185°F)
Measuring Cell	100 mbar...40 bar (1.5 psi...600 psi) relative/ absolute
Smallest Calibratable Span	5 mbar (0.075 psi)
Vacuum Resistance	0 mbar abs.
Max. Turn Down	100:1
Max. Overpressure Limit	60 bar (900 psi)
Process Connection	Thread: G1/2...G2, R1/2, MNPT1/2...MNPT2; Flange: DN25...DN80, ASME 1"...4", JIS 10K
Process Connection Hygienic	Tri-Clamp; DIN11851; Varivent N; SMS; DRD
Material Process Membrane	Ceramic
Material Gasket	Viton, EPDM, Chemraz, Kalrez, NBR
Fill Fluid	none, dry measuring cell
Material Housing	Die-cast aluminum, AISI 316L
Communication	4...20 mA HART; PROFIBUS PA; FOUNDATION Fieldbus
Certificates / Approvals	ATEX, FM, CSA, CSA C/US, IEC Ex, JPN Ex, INMETRO, NEPSI, EAC, UK Ex
Design Approvals	EN10204-3.1
Hygienic Approvals	3A, EHEDG
Marine Approvals	GL/ ABS
Drinking Water Approvals	NSF
Specialities	Diagnostic functions
Successor	PMC71B

Field of application

The Cerabar PMC71 digital pressure transmitter with capacitive, oil-free ceramic measuring cell is typically used in the process and hygienic applications for pressure, level, volume or mass measurement in liquids and gases. It guarantees high degree of system safety thanks to vacuum-proof ceramic membrane with integrated breakage detection. Quick Setup with adjustable measuring range allows simple commissioning, reduces costs and saves time. SIL2/3 according to IEC 61508.

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

Process connections: Threads, flanges or hygienic connections
Process temperature: -40 to +150°C (-40 to +302°F)
Measuring ranges: -1/0 up to to +40bar (+1.5 to +600psi)
Accuracy: ±0.05%, “Platinum” ±0.025%
International explosion protection certificates, overfill prevention WHG, SIL, hygienic approvals, marine approvals

Benefits

Best fit for vacuum applications and applications with corrosive and abrasive media
Process safety through membrane breakage detection
Overload-resistant high purity ceramic sensor (99.9% Al₂O₃)
HistoROM data management concept for fast and easy commissioning, maintenance and diagnostics
Easy menu-guided commissioning via local display, 4 to 20mA with HART, PROFIBUS PA, FOUNDATION Fieldbus
Highest safety due to gastight feedthrough with capabilities up to SIL2/3, certified to IEC 61508
Available with mounted manifolds: always fit, always tested for leaks