Absolute and gauge pressure Cerabar PMP75

Absolute and gauge pressure Cerabar PMP75 – Digital pressure transmitter with fully welded diaphragm seal for measurement in gases or liquids

Specifications:

Measuring Principle	Absolute and gauge pressure
Characteristic	Digital transmitter with piezoresistive sensor and diaphragm seal; Modular transmitter; Long term stability; Minimum oil volume process connection; Enhanced safety via self diagnostic functions; Secondary 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	0,075% + influence of diaphragm seal
Long Term Stability	0.05 % of URL/ year; 0.07 % of URL/ 5 years; 0.1 % of URL/ 10 years
Process Temperature	-70°C...400°C (-94°F...752°F)
Ambient Temperature	-50°C...85°C (-58°F...185°F)
Measuring Cell	400 mbar...400 bar (5.8 psi...6000 psi) relative/ absolute
Smallest Calibratable Span	5 mbar (0.075 psi)
Vacuum Resistance	10 mbar (0.15 psi)
Max. Turn Down	100:1
Max. Overpressure Limit	1050 bar (15.750 psi)
Process Connection	Thread: G1/2...G2, R1/2, MNPT1/2...MNPT2; Flange: DN25...DN100, ASME 1"...4", JIS 10K; Diaphragm seal
Process Connection Hygienic	Tri-Clamp; DIN11851; NEUMO; Varivent; SMS; DRD; Universal adapter
Material Process Membrane	316L, AlloyC, Tantal, Rhodium> Gold, PTFE
Material Gasket	None, diaphragm welded
Fill Fluid	Silicone oil, Inert oil, Vegetable oil, High temperature oil, Low temperature oil
Material Housing	Die-cast aluminum, AISI 316L
Communication	4...20 mA HART; PROFIBUS PA; FOUNDATION Fieldbus
Certificates / Approvals	ATEX, CSA C/US, IEC Ex, JPN Ex, INMETRO, NEPSI, EAC
Safety Approvals	SIL
Design Approvals	EN10204-3.1; NACE MR0103
Hygienic Approvals	3A, EHEDG
Marine Approvals	GL/ ABS
Specialities	Diagnostic functions; TempC Membrane
Successor	PMP71B

Field of application

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.

Two chamber aluminum or stainless steel (316L) housing.

Process connections: Threads, flanges or hygienic connections
Process temperature: -70 to +400°C (-94 to +752°F)
Pressure: -1/0 up to 400bar (-15/0 up to +6,000psi)
Accuracy: ±0.075%
International explosion protection certificates, overfill prevention WHG, SIL, hygienic approvals, marine approvals

Benefits

Large variety of different process connections and membrane materials
New TempC Membrane minimizes influences of ambient and process temperature fluctuations
HistoROM data management concept for fast and easy commissioning, maintenance and diagnostics
Easy menu-guided commissioning via local display, 4 to 20mA with HART, PROFIBUS PA, FOUNDATION Fieldbus
Highest safety due to gas tight feedthrough with capabilities up to SIL2/3, certified to IEC 61508
Cost savings with modular concept for easy replacement of sensor, display or electronics
Overload-resistant and function-monitored from the measuring cell to the electronics