Cerabar PMC71
Digital pressure transmitter with oil-free ceramic sensor for measurement in gases or liquids
Highlights
- Measuring range pressure: -1/0 up to to 40bar (1.5 to 600psi)
- Reference accuracy: Up to ±0.025 %
- Pressure transmitter with ceramic sensor
- PProcess connections: Threads, flanges or hygienic connections
- Explosion protection certificates, overfill prevention WHG, SIL, hygienic approvals, marine approvals
Fields of application
- For vacuum applications and applications with corrosive and abrasive media
Details
The Cerabar PMC71 digital pressure transmitter with capacitive, oil-free ceramic measuring cell is typically used in the process and hygienic applications for pressure, level, volume or mass measurement in liquids and gases. It guarantees high degree of system safety thanks to vacuum-proof ceramic membrane with integrated breakage detection. Quick Setup with adjustable measuring range allows simple commissioning, reduces costs and saves time. SIL2/3 according to IEC 61508.
General Information
| Measuring principle | Absolute Pressure;Gauge Pressure |
|---|---|
| Process pressure range | From -100/0 to 100 mbar (-1.5/0 to 1.5 psi) to -1/0 to 40 bar (-15/0 to 600 psi) |
| Maximum allowable pressure | 60 bar (900 psi) |
| Process temperature range | -20 to 150°C (-4 to 257°F) |
| Sensor accuracy | Standard: 0.05% Platinum: up to 0.025% |
Input/Output
| Output | 4…20 mA, 1 to 5V DC |
|---|---|
| Communication protocol | HART PROFIBUS PA FOUNDATION Fieldbus |
| Resolution | Current output: 1 μA |
Mechanical Data
| Process connection | Thread: G1/2...G2, R1/2, MNPT1/2...MNPT2 Flange: DN25...DN80, ASME 1"...4", JIS 10K Process connection hygienic: Tri-Clamp, DIN11851, Varivent N, SMS & DRD |
|---|---|
| Wetted material | Process membrane: Ceramic, Gasket: Viton, EPDM, Chemraz, Kalrez, NBR |
| Housing material | Die-cast aluminum, AISI 316L |
| Degree of protection | IP66/67 NEMA 6P, IP65 NEMA 4, IP66/68 NEMA 6P |
Electrical Data
| Power supply | 10.5 to 45 V DC, 9 to 35 V DC (Non-hazardous area) |
|---|---|
| Current consumption | 1-5V DC: 9 V = 1.8 mA, 35 V = 0.8 mA; PROFIBUS PA: 13 mA ±1 mA; FOUNDATION Fieldbus: 15.5 mA ±1 mA |
| Cable entry | Cable gland: M20x1.5, Thread: 1/2 FNPT |
| Transmitter response time | HART: min. 330 ms, PROFIBUS PA: approx. 60 to 70 ms, FOUNDATION Fieldbus: Typically 100 ms |
Certification/Approvals
| Hazardous approvals | ATEX, FM, CSA, CSA C/US, IEC Ex, JPN Ex, INMETRO, NEPSI, EAC |
|---|---|
| Hygienic / Drinking water approvals | 3A, EHEDG, Drinking water approval NSF |
| Other Approvals/ Certification | CE, RoHS, RCM-Tick marking, Overfill protection WHG, SIL, Marine approvals: GL/ ABS, CRN approval |
Additional Information
| Ambient temperature range | -40 to 85 °C (-40 to 185 °F) |
|---|---|
| Storage temperature | -40 to 90 °C (-40 to 194 °F) |
| Vibration resistance | Yes |
| Overvoltage protection | Optionally for HART, PROFIBUS PA and FOUNDATION Fieldbus |
| Electromagnetic compatibility (EMC) | EN 61326 (NE21) |
| Long term stability | Absolute & Gauge pressure sensors: 1 year: ± 0.05 % |
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