Absolute and gauge pressure Cerabar PMC71

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

• 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