Technical Data
CompareContinuous / Liquids
| Measuring Principle | Absolute and gauge pressure |
| Characteristic / Application | Cost-effective pressure transducer, piezoresistive sensor with metallic measuring diaphragm for hygienic applications |
| 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 | -10…+100°C (+14…+212°F) 135°C for 1h (275°F for 1h) |
| Process pressure / max. overpressure limit | 160 bar (2400 psi) |
| Pressure measuring range | 400 mbar…+40 bar (6...+600psi) |
| Process connection | Thread: G1, M24 |
| Process connection hygienic | DIN11851, Clamp, SMS, Varivent, Universal adapter |
| Communication | 4...20 mA IO- Link |
| Certificates / Approvals | ATEX, FM, CSA, IEC Ex, NEPSI, UK Ex |
| Design approvals | EN 10204-3.1 Final inspection report Cleaned from oil + grease Surface roughness measurement |
| Hygienic approvals | 3A, EHEDG EG1935/ 2004 |
Pressure
| Measuring Principle | Absolute and gauge pressure |
| Characteristic | Cost-effective pressure transducer, piezoresistive sensor with metallic measuring diaphragm for hygienic applications |
| Supply voltage | 10…30 VDC |
| Reference Accuracy | 0.3 % |
| Long term stability | 0.2 % of URL/year |
| Process temperature | -10 °C…+100 °C (+14 °F…+212 °F) +135 °C for 1 h (+275 °F for 1 h) |
| Ambient temperature | -40 °C…+85 °C (-40 °F…+185 °F) |
| Measuring cell | +400 mbar…+40 bar (+6 psi...+600 psi) |
| Max. overpressure limit | 160 bar (2400 psi) |
| Process connection | Threads: G1, M24 |
| Process connection hygienic | DIN11851, Clamp, SMS, Varivent, Universal adapter |
| Communication | 4...20 mA IO- Link |
| Certificates / Approvals | ATEX, FM, CSA, IEC Ex, NEPSI, UK Ex |
| Design approvals | EN 10204-3.1Final inspection report Cleaned from oil + grease Surface roughness measurement |
| Hygienic approvals | 3A, EHEDG EG1935/ 2004 |
The Cerabar PMP23 is a cost-effective, compact absolute or gauge pressure transmitter. The piezoresistive sensor with flush-mounted 316L diaphragm meets the requirements of hygienic applications. The PMP23 is available with various EHEDG and 3-A hygienic process connections, uses FDA-listed materials, complies with EC 1935/2004, has IP69 degree of protection, optional IO-Link and explosion protection approval. Devices with customer-specific measuring ranges can be ordered, up to a maximum of 40 bar.
Benefits:
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Ultra-compact design with user-definable measuring ranges for simple, time-saving installation and setup of the instrument in the plant
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IO-Link enables easy configuration with simple configuration tools or engineering systems, reducing cost and complexity
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No gaskets required; the all-welded process connection provides the highest process safety
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Made entirely of 316L for process suitability; instrument versions with IP69 protection meet washdown requirements, with high repeatability and long-term stability
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Flexible use and low inventory costs; the PMP23 withstands CIP/SIP cleaning
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The PMP23 meets the requirements for hygienic documentation and device traceability, e.g.: EHEDG approval, 3-A approval or Regulation (EC) 1935/2004, relevant certificates, and the manufacturer's declaration of conformity
Application areas:
The pressure transmitter measures the absolute or gauge pressure of gases or liquids.
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Process connection: flush hygienic connection, flush threaded connection
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Process temperature: -10...+100 °C (-40...+212 °F); +135 °C (+275 °F), max. 1 h
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Process pressure: 400 mbar...+40 bar (6...600 psi)
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Measuring accuracy: ±0.3 % of full scale
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International explosion protection approval, hygienic approval
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Source: public information from the Endress+Hauser website
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · Gauge and Absolute Pressure Application Case
Project Background
Municipal Wastewater Treatment customers at the Wastewater Treatment Plant stage have long faced the challenge of insufficient accuracy in effluent quality monitoring and instruments prone to contamination causing data drift, affecting compliance discharge, placing higher demands on the stability and measurement accuracy of Gauge and Absolute Pressure.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Gauge and Absolute Pressure for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Municipal Wastewater Treatment conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Food & Beverage — Food Production Line · Gauge and Absolute Pressure Application Case
Project Background
Food & Beverage customers at the Food Production Line stage have long faced the challenge of high hygienic measurement requirements, with inline instruments needing to withstand CIP/SIP cleaning while maintaining stable accuracy, placing higher demands on the stability and measurement accuracy of Gauge and Absolute Pressure.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Gauge and Absolute Pressure for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Food & Beverage conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Chemical & Pharmaceutical — Reactors and Storage Tanks · Gauge and Absolute Pressure Application Case
Project Background
Chemical & Pharmaceutical customers at the Reactors and Storage Tanks stage have long faced the challenge of highly corrosive media and complex conditions, requiring corrosion-resistant and explosion-proof instruments, placing higher demands on the stability and measurement accuracy of Gauge and Absolute Pressure.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Gauge and Absolute Pressure for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Chemical & Pharmaceutical conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Power & Energy — Power Plant Boiler and Turbine · Gauge and Absolute Pressure Application Case
Project Background
Power & Energy customers at the Power Plant Boiler and Turbine stage have long faced the challenge of unstable measurement under high temperature and pressure, with high maintenance and downtime costs, placing higher demands on the stability and measurement accuracy of Gauge and Absolute Pressure.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Gauge and Absolute Pressure for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Power & Energy conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
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