Specifications
Differential pressure transmitter with metallic sensorVery good reproducibility and long-term stability
2013 Endress+Hauser differential pressure transmitter with metallic sensor FMD77
Product description
Differential pressure transmitter with metallic sensor
Overload-resistant and function-monitored, Communication via HART, PROFIBUS PA or FOUNDATION Fieldbus
Your benefits
- Very good reproducibility and long-term stability
- High reference accuracy: up to ±0.075%
- Turn down 100:1, higher on request
- Used for flow and differential pressure monitoring up to SIL3, certified to IEC 61508 by TÜV SÜD
- HistoROM®/M-DAT memory module
- Function-monitored from the measuring cell to the electronics
- Continuous modularity for differential pressure, hydrostatic and pressure (Deltabar S, Deltapilot S, Cerabar S), e.g.
- replaceable display
- universal electronics for pressure and differential pressure - Quick commissioning thanks to quick setup menu
- Menu-guided operation
- Extensive diagnostic functions
Field of application
The Deltabar S differential pressure transmitter is used for the following measuring tasks:
- Level, volume or mass measurement in liquids
- International usage thanks to a wide range of approvals
| Measuring Principle | Differential pressure | |
| Characteristic | Digital transmitter with metallic measuring diaphragms, one side with diaphragm seal Modular transmitter Long-term stability Secondary process barrier enhanced saftey via self diagnostic functions | |
| Supply / Communication | 4...20mA HART: 10,5...45V DC Ex ia: 10,5...30V DC PROFIBUS PA / FOUNDATION Fieldbus: 9...32V DC | |
| Accuracy | 0,075% + influence of diaphragm seal | |
| Long term stability | 0,05% of URL/year 0,125% of URL/5 years | |
| Process temperature | -40°C...400°C (-40°F...752°F) | |
| Ambient temperature | -40°C...85°C (-40°F...185°F) | |
| Measuring range | 100mbar...16 bar (40 inH20...240psi) | |
| Max. overpressure limit | 160bar (2400 psi) | |
| Process connection | Low pressure side: 1/4-18NPT RC1/4" High pressure side: Flanges (DIN, ANSI, JIS) | |
| Output | 4...20mA HART PROFIBUS PA FOUNDATION Fieldbus | |
| Certificates / Approvals | ATEX FM CSA NEPSI IECEx SIL NACE WHG/ Overfill prevention EN10204-3.1 | |
| Options | HistoROM/M-Dat 4-line digital display SS- or Aluminium housing Separate housing | |
| Specialities | diagnostic functions | |
