
Specs at a glance
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Accuracy
0.3%
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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)
Field of application
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.
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
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 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
Videos
Fundamental selection
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Simple products
- Easy to select, install and operate
Technical excellence
Simplicity

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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
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Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
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Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
Predecessor
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Technical Information (TI)
Weld-in adapter, process adapter and flanges
English version - 10/2021
Level and pressure measurement
EN 28/10/202119/06/202008/11/201917/08/201730/06/2016Language:
English
Version:
28/10/2021
File size:
2.9 MB
File name:
TI00426FEN_2321.pdf
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Technical Information (TI)
Weld-in adapter, process adapter and flanges
Level and pressure measurement
EN 28/10/202119/06/202008/11/201917/08/201730/06/2016Language:
English
Version:
28/10/2021
File size:
2.9 MB
File name:
TI00426FEN_2321.pdf
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Technical Information (TI)
Cerabar PMC11, PMC21, PMP11, PMP21
Process pressure measurement
EN 01/04/202118/05/201831/03/201730/09/201630/06/2016Language:
English
Version:
01/04/2021
File size:
1.1 MB
File name:
TI01133PEN_0721.pdf
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Operating Instruction (BA)
Cerabar PMC11, PMC21, PMP11, PMP21, PMP23
Process pressure measurement
EN 01/04/202118/05/201831/03/201730/09/201630/06/2016Language:
English
Version:
01/04/2021
File size:
1.2 MB
File name:
BA01271PEN_0721.pdf
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Short Instruction (KA)
Cerabar PMC11, PMC21, PMP11, PMP21, PMP23
Process pressure measurement
EN 01/04/202118/05/201831/03/201730/09/201630/06/2016Language:
English
Version:
01/04/2021
File size:
768.5 KB
File name:
KA01164PEN_0721.pdf
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Installation Instructions (EA)
Sealing kit Installation Instruction
Cerabar
EN 08/08/201623/07/201507/04/2015Language:
English
Version:
08/08/2016
File size:
205.3 KB
File name:
EA01128PA2_0316.pdf
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Ex Safety Instruction (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
EN 17/05/201704/04/2016Language:
English
Version:
17/05/2017
File size:
431.7 KB
File name:
XA01322PEN_0217.pdf
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Ex Safety Instruction (XA)
Cerabar PMC21, PMP21, PMP23
Ex ia IIC T4 Ga/Gb Ex ia IIC T4 Gb
EN 23/11/202028/06/2016Language:
English
Version:
23/11/2020
File size:
408.2 KB
File name:
XA01363PEN_0220.pdf
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Ex Safety Instruction (XA)
Safety Instructions Cerabar PMC21, PMP21
II 3 G Ex ec IIC T4 Gc EC 00394
EN 08/08/201628/06/2016Language:
English
Version:
08/08/2016
File size:
1.2 MB
File name:
XA01533PA3_0216.pdf
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Ex Safety Instruction (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
EN 17/05/202115/05/201708/08/201604/04/2016Language:
English
Version:
17/05/2021
File size:
394.6 KB
File name:
XA01271PEN_0421.pdf
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Ex Safety Instruction (XA)
Cerabar PMC21, PMP21, PMP23
II 1/2G Ex ia IIC T4 Ga/Gb II 2 G Ex ia IICT4 Gb
Language:
English
Version:
13/09/2021
File size:
384.8 KB
File name:
XA02590PEN_0121-00.pdf
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Flat gasket 18,5x23,9x1,5 FKM, 5 pieces
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further parts
Order code52009800 -
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Sealing kit PMPx1, PTP31B, FKM, 2 pcs.
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further parts
Order code71286350 -
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Valve Plug ISO4400 M16, 4-pole
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further parts
Order code71280307 -
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Valve plug ISO4400 NPTF1/2, 4-pole
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further parts
Order code71280349 -
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Weld-in adapter G1/2, 316L
Order code52002643 -
Weld-in adapter G1/2, 316L, 3.1
Order code52010172 -
Weld-in adapter G1/2, 316L, A DIN 3852
Order code71389241 -
Weld-in adapter G1/2,316L, 3.1,A DIN3852
Order code71389243 -
Weld-in dummy, adapter G1/2
Order code52005082 -
M12-female plug connector, cable side
Order code52006263 -
M12-female plug connec., 90deg, 5m cable
Order code52010285 -
M12-female plug connec.,90deg,cable side
Order code71114212 -
Ex-protection cover
Order code71395803