PMC71 Cerabar Absolute and gauge pressure

Digital pressure transmitter with oil-free ceramic sensor for measurement in gases or liquids

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• 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

Liquids

• 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

  Standard: 0.05%
  Platinum: up to 0.025%

• Long term stability

  0,05% of URL/year

• Ambient temperature

  -40°C...85°C
  (-40°F...185°F)

• Process temperature

  -40°C...150°C
  (-40°F...302°F)

• Process pressure / max. overpressure limit

  60bar (900psi)

• 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

• Communication

  4 ... 20 mA HART
  PROFIBUS PA
  FOUNDATION Fieldbus

• Certificates / Approvals

  ATEX, FM, CSA C/US, IEC Ex, JPN Ex, INMETRO, NEPSI, EAC

• Design approvals

  EN 10204-3.1

• Marine approval

  GL/ ABS

• Drinking water approvals

  NSF

• Options

  HistoROM/M-Dat
  4-line digital display
  SS- or Aluminiumhousing
  Separate housing

• Successor

  PMC71B

• Application limits

  Measuring cell: ceramics
  If pressurized, possibly
  use differential pressure
  measurement with two
  pressure transmitters
  (electronic dp). Observe
  ratio head pressure :
  hydrostatic pressure

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

• 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