| Measuring Principle | Differential pressure | |
| Characteristic / Application | Digital transmitter with metallic measuring diaphragms diaphragm seals and capillaries Modular transmitter Long term stability Enhanced safety via self diagnostic functions Secondary process barrier | |
| Specialities | TempC membrane | |
| Supply / Communication | 4...20 mA HART: 10,5...45V DC Ex ia: 10,5...30V DC PROFIBUS PA / FOUDATION Fieldbus: 9...32V DC | |
| Accuracy | 0,075% + influence of diaphragm seal | |
| Long term stability | 0,05% of URL/year | |
| Ambient temperature | -50°C...85°C (-58°F...185°F) | |
| Process temperature | -40°C...400°C (-40°F...752°F) | |
| Process pressure / max. overpressure limit | 160bar (2400 psi) | |
| Pressure measuring range | 100mbar...40bar (1.5psi ... 600 psi) | |
| Main wetted parts | Alloy C276 316L Monel Tantalum | |
| Process connection | Diaphragm seal (Pancakes, threads) Flanges (DIN, ASME) Tri-Clamp ISO2852 Hygienic connections | |
| Process connection hygienic | Tri-Clamp DIN11851 NEUMO Varivent SMS DRD Universal adapter | |
| Max. measurement distance | 400m (1312ft) H2O | |
| Communication | 4...20 mA HART PROFIBUS PA FOUNDATION Fieldbus | |
| Certificates / Approvals | ATEX, FM, CSA, CSA C/US, IEC Ex, INMETRO, NEPSI, EAC | |
| Safety approvals | SIL | |
| Design approvals | EN10204-3.1 NACE MR0175, MR0103 | |
| Hygienic approvals | 3A, EHEDG | |
| Marine approval | GL/ ABS | |
| Options | HistoROM/M-Dat 4-line digital display SS- or Aluminiumhousing Separate housing | |
| Successor | PMD78B | |
| Application limits | Measuring cell: Metal welded | |
| Measuring Principle | Differential pressure | |
| Characteristic | Digital transmitter with metallic measuring diaphragms diaphragm seals and capillaries Modular transmitter Long-term stability Secondary process barrier enhanced safety via self diagnostic functions. | |
| 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 | 0,075% + influence of diaphragm seal | |
| Long term stability | 0.08 % of URL/ year 0.14 % of URL/ 5 years 0.27 % of URL/ 10 years | |
| Process temperature | -70°C...400°C (-94°F...752°F) | |
| Ambient temperature | -50°C...85°C (-58°F...185°F) | |
| Measuring cell | 100 mbar...40 bar (40 inH2O...600 psi) | |
| Smallest calibratable span | 5 mbar (0.075 psi) | |
| Vacuum resistance | 50 mbar (0.73 psi) | |
| Max. Turn down | 100:1 | |
| Max. overpressure limit | 160 bar (2400 psi) | |
| Process connection | Diaphragm seal (Pancake, threads) Flanges (DIN, ASME) Hygienic connections Tri-Clamp ISO2852 | |
| Process connection hygienic | Tri-Clamp DIN11851 NEUMO Varivent SMS DRD Universal adapter | |
| Material process membrane | 316L, AlloyC, Tantal, Gold-Rhodium PTFE | |
| Material gasket | None, diaphragm seal welded | |
| Fill fluid | Silicone oil, Inert oil, Vegetable oil Low- temperature oil High- temperature oil | |
| Material housing | 316L, Die-cast aluminum | |
| Communication | 4...20 mA HART PROFIBUS PA FOUNDATION Fieldbus | |
| Certificates / Approvals | ATEX, FM, CSA, CSA C/US, IEC Ex, INMETRO, NEPSI, EAC, UK Ex | |
| Safety approvals | SIL | |
| Design approvals | NACE MR0175 EN10204-3.1 | |
| Hygienic approvals | 3A, FDA | |
| Marine approvals | GL/ ABS | |
| Specialities | Diagnostic functions TempC Membrane | |
| Successor | PMD78B | |