Differential pressure
Deltabar PMD55

Differential pressure transmitter with metal sensor for measurement of pressure differences

• Measuring principle

  Differential pressure

• Characteristic

  Digital transmitter with metallic measuring diaphragms
  Compact size
  Modular transmitter
  Long-term stability

• Supply voltage

  4...20 mA HART
  11,5...45V DC (Non Ex):
  Ex ia: 11,5...30V DC
  PROFIBUS PA:
  9...32 V DC (Non Ex)
  FOUNDATION Fieldbus:
  9...32 V DC (Non Ex)

• Reference Accuracy

  Standard 0.1%
  Platinum 0.075%

• Long term stability

  0.05% of URL/ year
  0.13% of URL/ 5 years
  0.23% of URL/ 10 years

• Process temperature

  -40°C...+85°C
  (-40°F...+185°F)

• Ambient temperature

  -40°C...+85°C
  (-40°F...+185°F)

• Measuring cell

  10 mbar...40 bar
  (0.15...580 psi)

• Smallest calibratable span

  10 mbar (0.15 psi)

• Max. Turn down

  20:1

• Max. overpressure limit

  on one side:
  160 bar
  (2300 psi)

• Process connection

  1/4-18 NPT

• Material process membrane

  316L, AlloyC,

• Material gasket

  Viton, PTFE, EPDM, NBR

• Fill fluid

  Silicone oil
  Inert oil

• Material housing

  Die-cast aluminum

• Communication

  4...20 mA HART
  PROFIBUS PA
  FOUNDATION Fieldbus

• Certificates / Approvals

  ATEX, FM, CSA, CSA C/US, IEC Ex, INMETRO, NEPSI, UK Ex

• Safety approvals

  SIL

• Design approvals

  NACE MR0175
  EN10204-3.1

• Successor

  PMD55B