Show all products: Pressure Piezoresistive

Absolute and
gauge pressure
Cerabar PMP21

Cerabar PMP21: Part of a strong team for standard applications - Liquiphant, Liquipoint, Cerabar, Ceraphant

Pressure measuring principle

Cost-effective pressure transducer with metal sensor for measurement in gases or liquids

The Cerabar PMP21 is a price-attractive and very compact pressure transmitter. It features a piezo-resistive sensor and is able to measure absolute or gauge pressure from 400mbar up to 400bar. The PMP21 is designed to withstand the harsh conditions in the process industry with ingress protection grades up to IP 68 and high quality materials like 316L. It can be used in most areas as it offers various certifications like hazardous area or marine certificates.

Fundamental selection

Simple products
Easy to select, install and operate

Technical excellence

Simplicity

What is FLEX?

Standard products
Reliable, robust and low-maintenance

Technical excellence

Simplicity

What is FLEX?

High-end products
Highly functional and convenient

Technical excellence

Simplicity

What is FLEX?

Specialized products
Designed for demanding applications

Technical excellence

Simplicity

Variable

What is FLEX?

FLEX selections	Technical excellence	Simplicity
F L E X Fundamental selection Meet your basic measurement needs	Technical excellence	Simplicity
F L E X Lean selection Handle your core processes easily	Technical excellence	Simplicity
F L E X Extended selection Optimize your processes with innovative technologies	Technical excellence	Simplicity
F L E X Xpert selection Master your most challenging applications	Technical excellence	Simplicity Variable

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Specs at a glance
Accuracy

0.3%

Process temperature

-40…+100°C
(-40…+212°F)

Pressure measuring range

400 mbar…+400 bar
(6...+6000psi)

Measuring cell

+400 mbar…+400 bar
(+6 psi...+6000 psi)

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Optional add-ons

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Additional components

RN221N
Active barrier with optional HART® diagnosis

Active barrier with power supply for safe separation of 4...20 mA current circuits
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F

L

E

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RMA42
Process transmitter with control unit

Universal transmitter, loop power supply, barrier and limit switch in one device!
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RIA15
Loop-powered indicator for 4 to 20 mA or HART signals

For the indication of the 4 to 20 mA signal or the HART® values in the field or in the panel!
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Benefits
Easy and time-saving installation and set up within the plant due to very compact construction and customizable measuring ranges

High reference accuracy of 0.3% together with high long- term stability and repeatability ensures a high quality of process...

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Easy and time-saving installation and set up within the plant due to very compact construction and customizable measuring ranges

High reference accuracy of 0.3% together with high long- term stability and repeatability ensures a high quality of process monitoring

Enhanced process availability is underpinned by the stringent use of 316L material and the possibility of a submersible version with IP68 ingress protection rating

The need for documentation and traceability as well as safety in the plant can be supported by PMP21 as it ensures the compliance to various hazardous area and marine certifications and features optional EN10204 3.1 material certificates

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Field of application
Pressure transducer with piezo-resistive metal sensor to measure absolute or gauge pressure in gases or liquids.

Process connections: Threads

Process temperature: -40 to +100°C (-40 to +212°F)

Process pressure: 400mbar to +400bar (6 to 6,000psi)

...

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Pressure transducer with piezo-resistive metal sensor to measure absolute or gauge pressure in gases or liquids.

Process connections: Threads

Process temperature: -40 to +100°C (-40 to +212°F)

Process pressure: 400mbar to +400bar (6 to 6,000psi)

Accuracy: ±0.3% of span

International explosion protection certificates, marine approvals

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Features and specifications

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Details

Measuring principle

Absolute and gauge pressure
Characteristic / Application

Cost-effective pressure transducer, piezoresistive sensor with metallic measuring diaphragm
Supply / Communication

10…30 VDC
Accuracy

0.3%
Long term stability

0.2% of URL/year
Ambient temperature

-40…+85°C

(-40…+185°F)
Process temperature

-40…+100°C

(-40…+212°F)
Process pressure absolute / max. overpressure limit

600 bar (9000 psi)
Pressure measuring range

400 mbar…+400 bar

(6...+6000psi)
Process connection

Thread:

G1/4, G1/2,

MNPT1/4, MNPT1/2,

DIN13,

JIS R1/2
Communication

4...20 mA
Certificates / Approvals

ATEX, FM, CSA, IEC Ex, NEPSI, EAC
Design approvals

EN 10204-3.1

Final inspection report

Cleaned from oil and grease
Marine approval

DNV/ GL/ ABS/ LR/ RINA

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Measuring principle

Absolute and gauge pressure
Characteristic

Cost-effective pressure transducer, piezoresistive sensor with metallic measuring diaphragm
Supply voltage

10…30 VDC
Reference Accuracy

0.3 %
Long term stability

0.2 % of URL/year
Process temperature

-40 °C…+100 °C
(-40 °F…+212 °F)
Ambient temperature

-40 °C…+85 °C
(-40 °F…+185 °F)
Measuring cell

+400 mbar…+400 bar
(+6 psi...+6000 psi)
Max. overpressure limit

600 bar (9000 psi)
Process connection

Threads:

G1/4, G1/2,

MNPT1/4, MNPT1/2,

DIN13,

JIS R1/2
Communication

4...20 mA
Certificates / Approvals

ATEX, FM, CSA, IEC Ex, NEPSI, EAC
Design approvals

EN 10204-3.1 Final inspection report

Cleaned from oil and grease
Marine approvals

DNV/ GL/ ABS/ LR/ RINA

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Documents / Manuals / Software

Download type

Filter

Cerabar PMC11, PMC21, PMP11, PMP21
Process pressure measurement

Technical Information (TI)
Weld-in adapter, process adapter and flanges
Level and pressure measurement

Technical Information (TI)
Cerabar PMC11, PMC21, PMP11, PMP21, PMP23
Process pressure measurement

Operating Instruction (BA)
Cerabar PMC11, PMC21, PMP11, PMP21, PMP23
Process pressure measurement

Short Instruction (KA)

04/21

English
Sealing kit Installation Instruction
Cerabar

Installation Instructions (EA)
Cerabar PMC21, PMP21, PMP23
Ga/Gb Ex ia IIC T4 X

Ex Safety Instructions (XA)
Safety Instructions Cerabar PMC21, PMP21, PMP23
FM Control Drawing
4...20 mA (IS)
IS Cl. I, Div. 1, Groups A, B, C, D T4
Cl. I, Zone 0 AEx/Ex ia IIC T4

Ex Safety Instructions (XA)
Cerabar PMC21, PMP21, PMP23
Ex ia IIC T4 Ga/Gb
Ex ia IIC T4 Gb

Ex Safety Instructions (XA)
Safety Instructions Cerabar PMC21, PMP21, PMP23
CSA Control Drawing
4...20 mA (IS)
Cl. I, Div. 1, Groups A, B, C, D;
Cl. I, Zone 1, Ex ia IIC T4, AEx ia IIC T4

Ex Safety Instructions (XA)
Safety Instructions Cerabar PMC21, PMP21
II 3 G Ex ec IIC T4 Gc
EC 00394

Ex Safety Instructions (XA)
Cerabar PMC21, PMP21, PMP23
ATEX:
II 1/2 G Ex ia IIC T4 Ga/Gb
II 2 G Ex ia IIC T4 Gb
IECEx:
Ex ia IIC T4 Ga/Gb

Ex Safety Instructions (XA)
M12 socket
Accessories for Liquipoint, Liquitrend, Liquiphant, Ceraphant, Cerabar,
Deltabar, Gammapilot

Special Documentation (SD)
Pressure Equipment Directive (PED)
Pressure measurement

Special Documentation (SD)
Valve plug
Valve plug

Special Documentation (SD)
Mechanical accessories for pressure measuring devices
Pressure measurement

Special Documentation (SD)
Pressure devices that fit
American version: Cerabar PMP11, PMP21 and PMP23

Competence Brochure (CP)

10/16

English
Komplettpaket Druckmesstechnik
Ein Ansprechpartner - spart Zeit und reduziert Kosten

Competence Brochure (CP)

05/15

German
Cerabar, PMP21
Druckmessumformer mit vollverschweißtem Metallsensor zur Absolut- und
Relativdruckmessung in Gasen oder Flüssigkeiten

Tender Text

02/21

German
Pressebild PressEHM06
Endress+Hauser SE+Co. KG, Cerabar PMP21

Picture

12/16

Language neutral
Cerabar, Ceraphant
Product Code: PMC11-, PMC21-, PMP11-, PMP21-, PMP23-, PTC31B-, PTP31B-, PTP33B-
Declaration Number: HE_00360_01.16
Manufacturer Specification: RoHS

Manufacturer Declaration

German , English
Cerabar
Product Code: PMP21-
Declaration Number: HE_00710_01.17
Manufacturer Specification: Performance characteristics

Manufacturer Declaration

English
Cerabar
Product Code: PMP21-
Declaration Number: HE_00838_01.17
Manufacturer Specification: RoHS

Manufacturer Declaration

Chinese
Cerabar
Product Code: PMP21-
Declaration Number: HE_00563_01.17
Manufacturer Specification: RoHS

Manufacturer Declaration

Chinese
Cerabar
Product Code: PMC21-, PMP21-
Declaration Number: HE_01206_01.19
Manufacturer Specification: Explosion protection

Manufacturer Declaration

English
Cerabar, Cerabar M, Cerabar S, Levelflex, Micropilot, Micropilot S
Product Code: FMR56-, FMR57-, FMR60-, FMR62-, FMR67-, PMC11-, PMC21-, PMC71B-, PMP11-, PMP21-, PMP23-, PMP51-, PMP51B-, PMP55-, PMP71-, PMP71B-, PMP72-, PMP75-, FMR540-, FMR54-, FMR533-, FMR532-, FMR531-, FMR530-, FMR53-, FMR52-, FMR51-, FMR50-, FMP57-, FMP56-, FMP55-, FMP54-, FMP53-, FMP52-, FMP51-, FMP50-
Declaration Number: HE_01158_01.19

Manufacturer Declaration

English
Cerabar
Product Code: PMP21-
Declaration Number: FDA_00151_03.17

FDA Declaration

German , English
Cerabar
Product Code: PMP21-
Declaration Number: FDA_00151_02.17

FDA Declaration

German , English
Cerabar
Product Code: PMP21-
Declaration Number: FDA_00151_01.17

FDA Declaration

German , English
Cerabar
Product Code: PMC21-, PMP21-
Declaration Number: EC_00394_05.16

EU Declaration

German , English
Cerabar, Ceraphant
Product Code: PMP21-, PTP31B-
Declaration Number: EC_00449_03.16

EU Declaration

German , English , French
Cerabar
Product Code: PMC21-, PMP21-, PMP23-
Declaration Number: EC_00069_05.15

EU Declaration

German , English , French
Cerabar
Product Code: PMC11-, PMC21-, PMP11-, PMP21-, PMP23-
Declaration Number: EC_00402_02.16

EU Declaration

German , English , French
Waterpilot, Deltapilot S, Deltapilot M, Deltabar S, Deltabar M, Deltabar, Ceraphant, Cerabar S, Cerabar M, Cerabar
Product Code: PTP33B-, PTP31B-, PTC31B-, PMP75-, PMP71B-, PMP71-, PMP55-, PMP51B-, PMP51-, PMP23-, PMP21-, PMP11-, PMD78B-, PMD75B-, PMD75-, PMD55B-, PMD55-, PMC71B-, PMC71-, PMC51B-, PMC51-, PMC21-, PMC11-, FMX21-, FMD78-, FMD77-, FMD72-, FMD71-, FMB70-, FMB53-, FMB52-, FMB51-, FMB50-
Region/Country: Russia (TR CU)
Approval Agency: EAC
Approval Number: EAEC N RU D-DE.DE02.B.11894/20

Miscellaneous

Russian
Cerabar
Product Code: PMC21-, PMP21-, PMP23-
Region/Country: Canada, USA
Approval Agency: FM
Category: I/1/A,B,C,D/T4, I/zone 0
Protection: IS, AEx ia IIC T4

Explosion Protection

English
Cerabar
Product Code: PMC21-, PMP21-, PMP23-
Region/Country: Canada, USA
Approval Agency: CSA
Category: I/1/A,B,C,D T4, I/zone 1
Protection: IS, Ex ia IIC T4 Gb

Explosion Protection

English
Cerabar
Product Code: PMC21-, PMP21-, PMP23-
Region/Country: China
Approval Agency: NEPSI
Protection: Ex ia IIC T4 Ga/Gb

Explosion Protection

English
Cerabar
Product Code: PMC21-, PMP21-, PMP23-
Region/Country: Canada, USA
Approval Agency: CSA
Category: I/1/A,B,C,D T4, I/zone 1
Protection: IS, Ex ia IIC T4 Gb

Explosion Protection

English
Cerabar
Product Code: PMC21-, PMP21-, PMP23-
Region/Country: Canada, USA
Approval Agency: CSA
Category: I/1/A,B,C,D T4, I/zone 1
Protection: IS, Ex ia IIC T4 Gb

Explosion Protection

English
Cerabar
Product Code: PMC21-, PMP21-, PMP23-
Region/Country: Russia (TR CU)
Approval Agency: EAC
Protection: Ex ia

Explosion Protection

Russian
Cerabar
Product Code: PMC21-, PMP21-, PMP23-
Region/Country: Europe (ATEX)
Approval Agency: SEV
Category: II 2 G, II 1/2 G
Protection: Ex ia IIC T4 Ga/Gb, Ex ia IIC T4 Gb

Explosion Protection

English
Cerabar
Product Code: PMC21-, PMP21-, PMP23-
Region/Country: International (IECEx)
Approval Agency: SEV
Protection: Ex ia IIC T4 Ga/Gb

Explosion Protection

English
SYSTEM, Levelflex, Deltabar S, Deltabar M, Deltabar, Ceraphant T, Ceraphant, Cerabar T, Cerabar S, Cerabar M, Cerabar
Product Code: PTP31B-, PMP75-, PMP71-, PMP55-, PMP51-, PMP21-, PMP11-, PMD78B-, PMD75B-, PMD75-, PMD55B-, PMD55-, NMS81-, FMP54-, FMD78-, FMD77-
Approval Agency: TÜV

Pressure Equipment

German , English
Waterpilot, SYSTEM, Gammapilot M, Gammapilot, Deltapilot S, Deltapilot M, Deltabar S, Deltabar M, Deltabar, Ceraphant T, Ceraphant, Cerabar T, Cerabar S, Cerabar M, Cerabar
Product Code: PMC71B-, PMD55-, PMD75-, PMD75B-, PMD78B-, PMP11-, PMP21-, PMP23-, PMP51-, PMP51B-, PMP55-, PMP71-, PMP71B-, PMP75-, PTC31B-, PTP31B-, PTP33B-, FMB50-, FMB53-, FMB70-, FMD71-, FMD72-, FMD77-, FMD78-, FMG60-, FMX21-, FTG20-, NMS80-, NMS83-, PMC11-, PMC21-, PMC51-, PMC51B-, PMC71-
Approval Agency: TÜV

Pressure Equipment

German , English
Cerabar, Ceraphant
Product Code: PMC11-, PMC21-, PMP11-, PMP21-, PMP23-, PTC31B-, PTP31B-, PTP33B-
Region/Country: Canada (CRN)
Approval Agency: CRN

Pressure Equipment

English
Cerabar, Cerabar M, Cerabar S
Product Code: PMC11-, PMC21-, PMC51-, PMC71-, PMP11-, PMP21-, PMP23-, PMP51-, PMP55-, PMP71-, PMP75-
Region/Country: Belarus
Approval Agency: BELGIM
Approval Number: 13477

Metrology

Russian
Product family: Cerabar
Product Code: PMC11-, PMC21-, PMP11-, PMP21-, PMP23-
Region/Country:
Approval Agency:
Approval Number: 3148

Metrology

Russian
Cerabar
Product Code: PMC11-, PMC21-, PMP11-, PMP21-, PMP23-
Region/Country: Russia
Approval Agency: Rosstandart
Approval Number: DE.C.30.004.A NO 67871/1

Metrology

Russian
Cerabar, Cerabar M, Cerabar S, Cerabar T, Ceraphant T
Product Code: PTP35-, PTP31-, PTC31-, PMP75-, PMP71-, PMP55-, PMP51-, PMP23-, PMP21-, PMP135-, PMP131-, PMP11-, PMC71-, PMC51-, PMC21-, PMC131-, PMC11-
Region/Country: Uzbekistan
Approval Agency: UZS
Approval Number: 02.6582

Metrology

Russian
Cerabar
Product Code: PMC21-, PMP21-
Region/Country: International
Approval Agency: DNVGL

Marine

English
Cerabar
Product Code: PMC21-, PMP21-
Region/Country: International
Approval Agency: RINA

Marine

English
Cerabar
Product Code: PMC21-, PMP21-
Region/Country: International
Approval Agency: ABS

Marine

English
Cerabar
Product Code: PMP21-
Region/Country: International
Approval Agency: LR

Marine

English
Cerabar
Product Code: PMC21-, PMP21-
Region/Country: International
Approval Agency: BV

Marine

English

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Accessories / Spare parts

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Order code

Specification

- Order code 52009800
  
  Flat gasket 18,5x23,9x1,5 FKM, 5 pieces
  
  Process gasket FKM Viton. Usage: Cerabar M/S, Cerabar PMP11/PMP21, metal cell.
  
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- Order code 71286350
  
  Sealing kit PMPx1, PTP31B, FKM, 2 pcs.
  
  Consists of: gasket 18.5x23.9x1.5 FKM. O-ring 14x1.78, FKM. Usage: PMP11, PMP21, PMP51, PTP31B.
  
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- Order code 71280307
  
  Valve Plug ISO4400 M16, 4-pole
  
  Consists of: plug connector, screw, seal, valve plug ring, adapter ring. Usage: FTL31/FTL33, FTW33, PMC11, PMC21, PMP11, PMP21/PMP23.
  
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- Order code 71280349
  
  Valve plug ISO4400 NPTF1/2, 4-pole
  
  Consists of: plug connector, screw, seal, valve plug ring, adapter ring. Usage: FTL31/FTL33, FTW33, PMC11, PMC21, PMP11, PMP21/PMP23.
  
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- Order code 52002643
  
  Weld-in adapter G1/2, 316L
  
  Flush mount process connection. Material: 316L. Usage: PMP11, PMP21, PMP51, PTP31B. Correct installation only with dummy.
  
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- Order code 52010172
  
  Weld-in adapter G1/2, 316L, 3.1
  
  Flush mount process connection. Material: 316L. Inspection cert. EN10204-3.1 material. Usage: PMP11, PMP21, PMP51, PTP31B. Correct installation only with dummy.
  
  Show details Show less
- Order code 71389241
  
  Weld-in adapter G1/2, 316L, A DIN 3852
  
  Weld-in adapter for G1/2 A DIN 3852. Material: 316L. Usage: PMP21, PMP51, PMP71.
  
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- Order code 71389243
  
  Weld-in adapter G1/2,316L, 3.1,A DIN3852
  
  Weld-in adapter for G1/2 A DIN 3852. Material: 316L. Inspection cert. EN10204-3.1 material. Usage: PMP21, PMP51, PMP71.
  
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- Order code 52005082
  
  Weld-in dummy, adapter G1/2
  
  To avoid any deformation of the adapters 52002643 / 52010172 during welding.
  
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- Order code 52006263
  
  Socket for plug 4p-125V, 4A-M12
  
  M12 socket for plug. Self confectionery connection. Usage: plug M12.
  
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- Order code 52010285
  
  Cable 4x0.34, box M12,Cu Sn/Ni,90o,L=5m
  
  M12 plug connector. 5m cable PVC, Cu Sn/Ni lock. Usage: FMB50/FMB51/FMB52/FMB53, FTL31/FTL33, FTW23, FTW33, PMC11, PMC21, PMC51, PMP11, PMP21/PMP23, PMP51/PMP55, PTC31B, PTP31B/PTP33B.
  
  Show details Show less
- Order code 71114212
  
  Plug connector M12 90deg
  
  Self confectionery connection. Usage: plug M12.
  
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- Order code 71395803
  
  Ex-protection cover
  
  Material: PC. Mandatory for Ex-version. W/o Ex-protection cover dust Ex-protection not guaranteed! Usage: FTI26, PMC21, PMP21.
  
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Predecessor
- Cerabar T PMP131

News
Endress+Hauser Operations app

The Endress+Hauser Operations app offers fast access to up-to-date product information and device details such as order code, availability, spare parts and general product information.
Read the full story

Absolute andgauge pressureCerabar PMP21

Cost-effective pressure transducer with metal sensor for measurement in gases or liquids

Specs at a glance

Accuracy

Process temperature

Pressure measuring range

Measuring cell

Quick selection

Individual configuration

Additional components

RN221NActive barrier with optional HART® diagnosis

RMA42Process transmitter with control unit

RIA15 Loop-powered indicator for 4 to 20 mA or HART signals

Benefits

Field of application

Features and specifications

Details

Measuring principle

Characteristic / Application

Supply / Communication

Accuracy

Long term stability

Ambient temperature

Process temperature

Process pressure absolute / max. overpressure limit

Pressure measuring range

Process connection

Communication

Certificates / Approvals

Design approvals

Marine approval

Measuring principle

Characteristic

Supply voltage

Reference Accuracy

Long term stability

Process temperature

Ambient temperature

Measuring cell

Max. overpressure limit

Process connection

Communication

Certificates / Approvals

Design approvals

Marine approvals

Documents / Manuals / Software

Accessories / Spare parts

Predecessor

Endress+Hauser Operations app

Absolute and
gauge pressure
Cerabar PMP21

RN221N
Active barrier with optional HART® diagnosis

RMA42
Process transmitter with control unit

RIA15
Loop-powered indicator for 4 to 20 mA or HART signals