E&H PMC21 pressure transmitter

E&H PMC21 pressure transmitter

Product Overview

The ENDRESS+HAUSER Cerabar PMC21 is a cost-effective pressure transducer engineered for absolute and gauge pressure measurement in gases, vapors, liquids, and dust-5. Built around a capacitive, oil-free ceramic sensor featuring Endress+Hauser’s proprietary Ceraphire® diaphragm, the PMC21 delivers reliable performance in industrial environments where traditional oil-filled sensors may fail-2.

Designed for applications ranging from water and wastewater treatment to chemical processing, pump monitoring, and HVAC systems, the PMC21 offers a compact form factor without compromising measurement integrity-53. With ingress protection ratings up to IP68, a rugged 316L stainless steel housing, and an optional 5-year extended warranty, this transmitter is built to withstand harsh process conditions-35-5.

Key Technical Specifications at a Glance

Model Code Breakdown: PMC21-BA1A1EBVWJ

The ENDRESS+HAUSER Cerabar PMC21 series utilizes an alphanumeric ordering code that encodes all device configuration parameters. Below is the detailed breakdown of model code PMC21-BA1A1EBVWJ:

Interpretation summary: The PMC21-BA1A1EBVWJ is an absolute pressure transmitter with a 0…100 mbar ceramic measuring cell, G1/2 threaded process connection, FKM seal, 4…20 mA analog output, and M12 electrical connection. The VWJ suffix indicates enhanced documentation and cleaning options suitable for oxygen applications.

What Does PMC21-BA1A1EBVWJ Include?

The PMC21-BA1A1EBVWJ variant includes:

Cerabar PMC21 pressure transmitter with capacitive ceramic sensor (oil-free design)

Ceraphire® abrasion-resistant diaphragm

316L stainless steel housing (IP66/IP67 rated)

4…20 mA analog output (2-wire, 10…30 VDC supply)

G1/2 threaded process connection with FKM seal

M12 4-pin electrical connector

EN 10204-3.1 material inspection certificate

Oil-free and grease-free cleaning for oxygen service applications

Factory calibration certificate traceable to international standards

Additional PMC21 Configurations Available

Endress+Hauser offers the PMC21 series in numerous configurations to meet diverse application requirements. Examples include:

PMC21-AA1U1CBWBJA: Ceramic sensor M16, 100 mbar, G1/2, 4…20 mA, 70°C, IP66/IP68, plug connection-

PMC21-AA1U1EBWBJA: Ceramic sensor M16, 250 mbar, G1/2, 4…20 mA, 85°C, IP65/IP67/NEMA 4-

PMC21-AA1U1HBWBJA: 1 bar pressure range, 4…20 mA output-

PMC21-AA1M1NFVXJA: NPT process connection, extended feature set-2

PMC21-CA1V1PFVXJA: Alternative configuration with additional approvals-

PMC21-AA1U1NBWBJA: -100 mbar to +100 bar range capability-

PMC21-AA1M2MBWBJA: 100 mbar to 40 bar range with analog output-

Each PMC21 configuration is fully traceable, with 100% factory test coverage ensuring high quality and reliable performance-5.

Applications

The Cerabar PMC21 is suitable for a broad spectrum of industrial applications:

Water and wastewater treatment: Pump suction/discharge monitoring, filter differential pressure, tank level measurement-53

Food and beverage industry: Process pressure monitoring (hygienic configurations available)-53

Chemical and process industries: Harsh environment pressure measurement-53

Pump and filter monitoring: Condition monitoring and system protection-53

HVAC systems: Refrigerant pressure monitoring, air handling units-

OEM applications: Skid-mounted systems and compact machinery integration-

Marine systems: Ballast tank monitoring, hydraulic system pressure (with marine approvals)-5

Key Features & Benefits

Ceraphire® ceramic diaphragm – The oil-free ceramic sensor eliminates contamination risks associated with oil-filled sensors and provides exceptional abrasion resistance for demanding applications-5.

High accuracy and stability – With ±0.3% reference accuracy and long-term stability of 0.2% of URL per year, the PMC21 ensures consistent, reliable process monitoring-5.

Robust construction – The 316L stainless steel housing provides superior corrosion resistance, while IP68-rated versions offer full submersion protection for outdoor or washdown environments-5-2.

Versatile certifications – ATEX, FM, CSA, IEC Ex, NEPSI, and UK Ex approvals enable installation in hazardous areas. Marine certifications (RINA, KR) meet shipbuilding and offshore requirements-5-18.

Easy installation – Compact construction and customizable measuring ranges simplify installation and setup within existing systems-5.

Optional EN10204 3.1 certification – For applications requiring material traceability, EN10204 3.1 inspection reports are available-5.

Oxygen service ready – Models are available cleaned for oxygen applications, ensuring safe operation in oxygen-enriched environments-18.

Documentation & Downloads

Endress+Hauser provides comprehensive documentation for the PMC21 series:

Technical Information (TI01133PEN_0825-00): Full specifications, ordering information, and technical diagrams (released September 2025)-1

Operating Instructions (BA01271PEN_0721): Installation, commissioning, and operational guidance-1

IO-Link Operating Instructions (BA02299PEN_0123-00): For PMC21 variants with IO-Link communication-1

Short Instructions (KA01164PEN_0721): Quick-start guide for basic installation-1

All documentation is available for download from the Endress+Hauser website.

Why Choose the Cerabar PMC21?

For engineers and procurement professionals seeking a reliable, cost-effective pressure transmitter, the ENDRESS+HAUSER Cerabar PMC21 delivers the performance, durability, and flexibility required for demanding industrial applications. Whether specifying a PMC21-BA1A1EBVWJ for oxygen service, a PMC21-AA1U1HBWBJA for general process pressure monitoring, or a PMC21-CA1V1PFVXJA for hazardous area installations, the PMC21 series offers a tailored solution for nearly every pressure measurement need.