Endress+Hauser Cerabar PMP23 Pressure Transmitter Complete Technical Guide

The Endress+Hauser Cerabar PMP23 (model code: PMP23-AA1M1KB3AJ) is a compact, cost-effective pressure transmitter designed for absolute and gauge pressure measurement in hygienic applications within the food and beverage industry . This instrument features a piezoresistive sensor with a flush-mounted 316L stainless steel diaphragm, making it ideal for applications requiring strict hygienic compliance .

Key Features & Benefits

✅ Fully Welded Hygienic Design

The PMP23 features fully welded process connections that eliminate the need for gaskets, maximizing process safety and minimizing potential leak points . This design ensures superior integrity in hygienic applications.

✅ 5-Year Warranty

Endress+Hauser offers an extended 5-year warranty on this instrument, demonstrating confidence in its long-term reliability and performance stability .

✅ IO-Link Communication

Optional IO-Link communication reduces complexity and costs by enabling easy configuration through simple tools or engineering systems .

✅ High IP69 Protection Rating

With IP69 protection, the PMP23 withstands high-pressure washdown conditions, making it suitable for rigorous cleaning processes in food and beverage environments .

✅ CIP/SIP Compatibility

The device is suitable for Clean-in-Place (CIP) and Steam-in-Place (SIP) cleaning methods, withstanding temperatures up to 135°C (275°F) for one hour .

✅ FDA & Hygienic Compliance

Manufactured with materials conforming to FDA standards and certified by 3A and EHEDG, the PMP23 meets EG1935/2004 compliance requirements for food contact materials .

✅ Compact & Customizable

The ultra-compact construction allows for time-saving installation, while customizable measuring ranges provide flexibility across different applications .

Technical Specifications

Basic Specifications

Parameter Value

Measuring Principle Absolute and gauge pressure 

Sensor Type Piezoresistive with metallic measuring diaphragm 

Measuring Range +400 mbar to +40 bar (6 to 600 psi) 

Maximum Overpressure Limit 160 bar (2400 psi) 

Reference Accuracy ±0.3% of span 

Long-term Stability 0.2% of URL per year 

Electrical Specifications

Parameter Value

Supply Voltage 10…30 VDC 

Output Signal 4…20 mA (analog) / Optional IO-Link 

Temperature Specifications

Parameter Value

Process Temperature -10…+100°C (+14…+212°F) 

Peak Process Temperature +135°C (+275°F) for max. 1 hour 

Ambient Temperature -40…+85°C (-40…+185°F) 

Process Connections

Type Options

Threaded Connections G1, M24 

Hygienic Connections DIN11851, Clamp (Tri-Clamp), SMS, Varivent, Universal adapter 

Materials of Construction

Component Material

Housing 316L stainless steel 

Process Isolating Diaphragm 316L stainless steel 

Wetted Parts 316L stainless steel, FDA-compliant materials