Pressure switch Cerabar M PMP 51 endress+ hauser

Filter Measuring / Application task

Measuring principle

Absolute and gauge pressure

Characteristic

Smart and reliable pressure transmitter, with piezoresistive measuring cell

and metal welded process isolating

diaphragm

Supply voltage

4...20mA HART

11,5...45V DC (Non Ex):

Ex ia: 11,5...30V DC

PROFIBUS PA:

9...32 V DC (Non Ex)

FOUNDATION Fieldbus:

9...32 V DC (Non Ex)

Reference Accuracy

Standard 0.1%

Platinum 0.075%

Long term stability

0.1% of URL/year

0.2% of URL/ 5 years

0.25% of URL/ 10 years

Process temperature

-40°C...+130°C

(-40°F...+266°F

+150°C for 1h

(+302°F for 1h)

Ambient temperature

-40°C...+85°C

(-40°F...+185°F)

Measuring cell

400mbar...400bar

(15psi...6000psi)

relative/ absolute

Smallest calibratable span

20 mbar (0.3 psi)

Vacuum resistance

10 mbar (0.15 psi)

Max. Turn down

20:1

Max. overpressure limit

600bar (9000psi)

Process connection

Thread:

G1/2...G2, MNPT1/2...MNPT2

Flange:

DN25...DN80,

ASME 1 1/2"...4",

Process connection hygienic

Tri-Clamp

DIN11851

NEUMO

Varivent N

SMS

DRD

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

4...20 mA HART

PROFIBUS PA

FOUNDATION Fieldbus

IO-Link

Certificates / Approvals

ATEX, FM, CSA, CSA C/US, IEC Ex, INMETRO, NEPSI, UK Ex

Safety approvals

SIL

Design approvals

EN10204-3.1

NACE MR0175

Hygienic approvals

3A, EHEDG

CoC ASME-BPE

Marine approvals

GL/ ABS/ LR/ BV/ DNV

Drinking water approvals

NSF

Successor

PMP51B