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Cerabar - Model PMC71 -Absolute and Gauge Pressure
Digital pressure transmitter with oil-free ceramic sensor for measurement in gases or liquids. 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.
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Best fit for vacuum applications and applications with corrosive and abrasive media
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Process safety through membrane breakage detection
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Overload-resistant high purity ceramic sensor (99.9% Al2O3)
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HistoROM data management concept for fast and easy commissioning, maintenance and diagnostics
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Easy menu-guided commissioning via local display, 4 to 20mA with HART, PROFIBUS PA, FOUNDATION Fieldbus
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Highest safety due to gastight feedthrough with capabilities up to SIL2/3, certified to IEC 61508
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Available with mounted manifolds: always fit, always tested for leaks
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: ±0.075%, "Platinum" ±0.05%
- International explosion protection certificates, WHG overfill prevention, SIL, EN 10204-3.1, 3-A, EHEDG, 3-A, ship building approvals
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Measuring principle
Absolute and gauge pressure
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Characteristic / Application
Digital transmitter with capacitive sensor and ceramic membrane
Modular transmitter
Long term stability
Enhanced safety via self diagnostic functions
Secondary process barrier -
Specialities
diagnostic functionalities
different languages in software -
Supply / Communication
4...20mA HART:
10,5...45V DC
Ex ia: 10,5...30V DC
PROFIBUS PA /
FOUNDATION Fieldbus:
9...32V DC -
Accuracy
0,075%
"PLATINUM" 0,05% -
Long term stability
0,05% of URL/year
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Ambient temperature
-40°C...85°C
(-40°F...185°F) -
Process temperature
-40°C...150°C
(-40°F...302°F) -
Process pressure absolute / max. overpressure limit
60bar (900psi)
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Pressure measuring range
100mbar...40bar
(1.5psi...600psi) -
Main wetted parts
Ceraphire ceramic
Alloy C
316L
Monel
PVDF -
Process connection
Threads
Flanges
Tri-Clamp ISO2852
Hygienic connections -
Max. measurement distance
400m (1312ft) H2O
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Communication
4 ... 20 mA HART
PROFIBUS PA
FOUNDATION Fieldbus -
Certificates / Approvals
ATEX, FM, CSA C/US, IEC Ex, JPN Ex, INMETRO, NEPSI, EAC
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Safety approvals
Overfill prevention WHG
SIL -
Design approvals
EN 10204-3.1
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Marine approval
GL/ ABS
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Drinking water approvals
NSF
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Options
HistoROM/M-Dat
4-line digital display
SS- or Aluminiumhousing
Separate housing -
Application limits
Measuring cell: ceramics
If pressurized, possibly use differential pressure measurement with two pressure transmitters (electronic dp). Observe ratio head pressure : hydrostatic pressure