Deltabar M PMD55
Differential pressure transmitter with metal sensor for measuring pressure differences
SKU: PMD55
Highlights
- Maximum process pressure: 10 mbar to 40 bar
- Measuring range: 0.5 mbar to 40 bar (0.0072 to 600 psi)
- Accuracy: ± 0.1%, "Platinum " ± 0.75% (optional)
Fields of application
- Level, volume or mass measurement in liquids
- Differential pressure monitoring, e.g. of filters and pumps
- Flow measurement (volume or mass flow) in connection with differential pressure transmitters in gases, vapours and liquids
Details
The Deltabar PMD55 differential pressure transmitter with piezoresistive sensor and welded metal diaphragm is typically used in process and environmental industries to measure pressure differences in liquids, vapors and gases. The Quick-Setup menu with adjustable measuring range supports easy commissioning, reduces costs and saves time. Designed according to IEC 61508 and IEC 61511 for use in SIL2 safety systems.
General Information
| Measuring principle | Piezoresistive |
|---|---|
| Process pressure range | 0.5 to 40 bar 0.0072 to 600 psi |
| Maximum allowable pressure | ≤ 240 (3600) |
| Process temperature range | -40 to 85 °C (-40 to 185 °F) |
| Sensor accuracy | Standard: 0.1% Platinum: 0.075% (optional) |
| Display type | LCD (optional) |
Input/Output
| Transmitter output type | 4...20 mA |
|---|---|
| Communication protocol | HART PROFIBUS PA FOUNDATION Fieldbus |
| Update frequency | HART: min. 300 ms PROFIBUS PA & FOUNDATION Fieldbus: min. 100 ms |
Mechanical Data
| Process connection | Threaded ¼ -18NPT |
|---|---|
| Wetted material | 316L |
| Housing material | Die-cast aluminum with protective powder-coating on polyester base |
| Degree of protection | IP66/68, NEMA4X/6P IP65 IP64 |
Electrical Data
| Voltage Type | DC |
|---|---|
| Power supply | 11.5 to 30 V |
| Current consumption | PROFIBUS PA: 11 mA ± 1 mA FOUNDATION Fieldbus: 16 mA ± 1 mA |
| Cable entry | Gland M20/ Thread M20 |
| Switch on Delay | 2 s |
| Transmitter response time | HART: min. 330 ms, PROFIBUS PA: approx. 8 to 13 ms, FOUNDATION Fieldbus: max. 20 ms |
Certification/Approvals
| Hazardous approvals | ATEX, CSA, IECEx, INMETRO, NEPSI |
|---|---|
| Other Approvals/ Certification | CE FM CRN Pressure Equipment Directive (PED) up to SIL2 |
Additional Information
| Ambient temperature range | –40 to 85°C (–40 to 185°F) |
|---|---|
| Storage temperature | –40 to 90 °C (–40 to 194 °F) |
| Mounting type | Wall and pipe mounting Through valve manifold |
| Vibration resistance | Guaranteed for 5 to 25 Hz: ±1.6 mm (0.06") Guaranteed for 10 to 60 Hz: ±0.35 mm (0.014") Guaranteed for 10 to 60 Hz: ±0.15 mm (0.006") |
| Reverse polarity protection | Yes |
| Overvoltage protection | Yes (to be selected while ordering) |
| Electromagnetic compatibility (EMC) | EN 61326 series and NAMUR Recommendation EMC (NE21) |
| Long term stability | ≥ % ± 0.05 of URL/1 years ≥ % ± 0.13 of URL/5 years |
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