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Cerabar - Model PMP71 -Absolute and Gauge Pressure
Digital pressure transmitter with welded metal sensor for measurement in gases, steam or liquids. The Cerabar PMP71 digital pressure transmitter with metallic membrane is typically used in process applications for pressure, level, volume or mass measurement in liquids or gases. 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.
- Best accuracy, reproducibility and long-term stability
- Highest safety due to gas tight feedthrough with capabilities up to SIL2/3, certified to IEC 61508
- Easy menu-guided commissioning via local display, 4 to 20mA with HART, PROFIBUS PA, FOUNDATION Fieldbus
- HistoROM data management concept for fast and easy commissioning, maintenance and diagnostics
- Overload-resistant and function-monitored from the measuring cell to the electronics
- Cost savings with modular concept for easy replacement of sensor, display or electronics
- Seamless and independent system integration (HART/PA/FF)
Two chamber aluminum or stainless steel (316L) housing.
- Process connections: Threads and flange connections
- Process temperature: -40 to +125°C (-40 to +257°F)
- Measuring ranges: -1/0 up to 700bar (-15/0 up to +10,500psi)
- Accuracy: ±0.075%, "Platinum" ±0.05%
- International explosion protection certificates, overfill prevention WHG, hygienic approvals, marine approvals, SIL
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Measuring principle
Absolute and gauge pressure
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Characteristic
Digital transmitter with piezoresistive sensor and welded metallic membrane
Modular transmitter
Long term stability
Enhanced safety via self diagnostic functionsSecondary process barrier -
Supply voltage
4...20 mA 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
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Process temperature
-40°C...125°C
(-40°F...257°F) -
Ambient temperature
-50°C...85°C
(-58°F...185°F) -
Measuring cell
100 mbar...700 bar
(1.5 psi...10.500 psi)
relative/ absolute -
Smallest calibratable span
5 mbar (0.075 psi)
-
Vacuum resistance
10 mbar (0.15 psi)
-
Max. Turn down
100:1
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Max. overpressure limit
1050 bar (15.750 psi)
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Process connection
Thread:
G1/2...G2, R1/2, MNPT1/2...MNPT2, R1/2
Flange:
DN25...DN80,
ASME 1"...4",
JIS 10K...20K -
Material process membrane
316L, AlloyC,
Rhodium> Gold -
Material gasket
None, measuring cell welded
-
Fill fluid
Silicone oil,
Inert oil -
Material housing
Die-cast aluminum,
AISI 316L -
Communication
4...20 mA HART
1- 5V DC Low Power
PROFIBUS PA
FOUNDATION Fieldbus -
Certificates / Approvals
ATEX, FM, CSA, CSA C/US, IEC Ex, JPN Ex, INMETRO, NEPSI, EAC
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Safety approvals
Overfill prevention WHG
SIL -
Design approvals
EN10204-3.1
NACE MR0175 -
Marine approvals
GL/ABS
-
Drinking water approvals
NSF
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Specialities
Diagnostic functions