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The Deltabar PMD55 differential pressure transmitter with piezoresistive sensor and welded metallic membrane is typically used in process or environmental applications for continuous measurement of pressure differences in liquids, vapors and gases.
The Deltabar PMD55 differential pressure transmitter with piezoresistive sensor and welded metallic membrane is typically used in process or environmental applications for continuous measurement of pressure differences in liquids, vapors and gases. Quick Setup with adjustable measuring range allows simple commissioning, reduces costs and saves time. SIL2 according to IEC 61508 / IEC 61511.
| 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 | 0,1% |
| "PLATINUM" 0,075% | |
| Long term stability | 0,05% of URL/year |
| 0,125% of URL/5 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 | 20:01 |
| 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, TIIS, INMETRO, NEPSI |
| Safety approvals | SIL |
| Design approvals | NACE MR0175 |
| EN10204-3.1 |
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