Product Description
The Cerabar PMP71 digital pressure transmitter with piezoresistive sensor and metallic membrane is typically used in the process industry for pressure, level, volume or mass measurement in liquids. PMP71 is designed for high pressure applications up to 700bar. Quick Setup with freely adjustable measuring range without pressure specification. Designed according to IEC 61508 for use in SIL2/3 safety systems and available with MID Parts Certificate suitable for custody transfer applications.
Benefits
Accurate measurement of the process value even in the case of changing process temperature
HistoROM/M-DAT data backup for instrument settings and measured values
Developed and designed according to IEC 61508, approved for use in SIL2/3 safety systems (min., max., range)
Overload-resistant and function-monitored from the measuring cell to the electronics
Quick commissioning thanks to Quick Setup menu, menu-guided operation, extensive diagnostic functions
Standard second line of defense with gastight feedthrough
Seamless and independent system integration (HART/PA/FF)
Application Fields
Ceraber s pressure transmitter can solve those questions as follows :
Measuring pressure of gas , steam and liquid in all kinds of process control field ;
Measuring level of liquid ,volume and mass ;
Through a variety certification that can satisfied with all required of application in the world.
Technology information
Measuring Principle | Hydrostatic | |
Characteristic | Digital transmitter with capacitive sensor and ceramic membrane Modular transmitter Long term stability Enhanced safety via self diagnostic functions Secondary process barrier | |
Supply voltage | 4...20mA 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 | Standard: 0.05% Platinum: up to 0.025% | |
Long term stability | 0,05% of URL/year | |
Process temperature | -20°C...150°C (-4°F...257°F) | |
Ambient temperature | -40°C...85°C (-40°F...185°F) | |
Measuring cell | 100mbar...40bar (1.5psi...600psi) relative/ absolute | |
Vacuum resistance | 0 mbar abs. | |
Max. overpressure limit | 60bar (900psi) | |
Process connection | Thread: G1/2...G2, R1/2, MNPT1/2...MNPT2 Flange: DN25...DN80, ASME 1"...4", JIS 10K | |
Hygienic | Tri-Clamp DIN11851 Varivent N SMS DRD | |
Material process membrane | Ceramic | |
Fill fluid | none, dry measuring cell | |
Material housing | Die-cast aluminum, AISI 316L | |
Communication | 4...20mA HART PROFIBUS PA FOUNDATION Fieldbus | |
Certificates / Approvals | ATEX, FM, CSA, CSA C/US, IEC Ex, TIIS, INMETRO, NEPSI | |
Design approvals | EN10204-3.1 | |
Hygienic approvals | EHEDG 3A |