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Cerabar - Model PMP75 -Absolute and Gauge Pressure
Digital pressure transmitter with fully welded diaphragm seal for measurement in gases or liquids. The Cerabar PMP75 digital pressure transmitter with metal diaphragm seal is typically used in process and hygiene applications for pressure, level, volume or mass measurement in liquids or gases. Suitable for high pressure as well as extreme process temperature applications from -70 up to +400°C (-94 to 750°F). Quick Setup with adjustable measuring range allows simple commissioning, reduces costs and saves time. Designed according to IEC 61508 for use in SIL2/3 safety applications.
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Large variety of different process connections and membrane materials
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New TempC Membrane minimizes influences of ambient and process temperature fluctuations
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HistoROM data management concept for fast and easy commissioning, maintenance and diagnostics
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Easy menu-guided commissioning via local display, 4 to 20mA with HART, PROFIBUS PA, FOUNDATION Fieldbus
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Highest safety due to gas tight feedthrough with capabilities up to SIL2/3, certified to IEC 61508
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Cost savings with modular concept for easy replacement of sensor, display or electronics
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Overload-resistant and function-monitored from the measuring cell to the electronics
Two chamber aluminum or stainless steel (316L) housing.
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Process connections: Threads, flanges or hygienic connections
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Process temperature: -70 to +400°C (-94 to +752°F)
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Pressure: -1/0 up to 400bar (-15/0 up to +6,000psi)
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Accuracy: ±0.075%
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International explosion protection certificates, overfill prevention WHG, SIL, hygienic approvals, marine approvals
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Measuring principle
Absolute and gauge pressure
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Characteristic / Application
Digital transmitter with piezoresistive sensor and diaphragm seal
Modular transmitter
Long term stability
Minimum oil volume
Enhanced safety via self diagnostic functions
Secondary process barrier -
Specialities
Diagnostic functionalities
Different languages in software -
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
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Long term stability
0,05% of URL/year
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Ambient temperature
-50°C...85°C
(-58°F...185°F) -
Process temperature
-70°C...400°C
(-94°F...752°F) -
Process pressure absolute / max. overpressure limit
1050bar (15,200psi)
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Pressure measuring range
400 mbar...400 bar
(6 psi...6000 psi) -
Main wetted parts
Alloy C276
316L
Monel
Tantalum
PTFE-Foil -
Process connection
Threads
Flanges (DIN, ASME, JIS) with flush membrane
Tri-Clamp ISO02852
Hygienic connections -
Max. measurement distance
7000m (22.966ft) H2O
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Communication
4...20 mA HART
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
EN 10204-3.1
NACE MR0175, MR0103 -
Hygienic approvals
3A, EHEDG
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Marine approval
GL/ ABS
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Options
HistoROM/M-Dat
4-line digital display
SS- or Aluminiumhousing
Separate housing -
Application limits
Measuring cell: Metal
welded
If pressurized, possibly use differential pressure meas-urement with two pressure transmitters (electronic dp). Observe ratio head pressure : hydrostatic pressure