Technical Data
ComparePressure
| Measuring Principle | |
| Characteristic | Cost-effective pressure transducer, piezoresistive sensor with metallic measuring diaphragm |
| Supply voltage | Analogue output: 12...30V DC Switch output: 18...32V DC |
| Reference Accuracy | 0,5% |
| Long term stability | 0,15% of URL/year |
| Process temperature | -25°C...70°C (-13°F...158°F) |
| Ambient temperature | -25°C...70°C (-13°F...158°F) |
| Measuring cell | 1bar...400bar (15psi...6000psi) |
| Max. overpressure limit | 600bar (9000psi) |
| Process connection | Threads |
| Communication | 4...20mA analogue, PNP switch |
| Certificates / Approvals | ATEX |
| Safety approvals | SIL |
| Marine approvals | GL |
Application
Cerabar T PMP 131 is used to measure the absolute and gauge pressure of gases, vapors and liquids.
PMP131 pressure measuring transmitter
Performance and benefits
Range up to 400 bar (6000 psi)
4x overload protection
Good stability
Electronic module
- Analog output 4...20 mA
- Switch output PNP transistor
Flush-mounted diaphragm connection or 1/2 BSP (G1/2), 1/4 BSP (G1/4) or 1/2 NPT pressure connection
EEx ib IIC T6 approval
PMP131 pressure measuring transmitter system
Pressure sensor Cerabar T PMP 131 with 4...20 mA output or switch output
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Technical information
Technical data
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Accessories/Spare parts
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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