Technical Data
ComparePressure
| Measuring Principle | |
| Characteristic | Cost-effective pressure transducer with piezoresistive sensor, and flush mounted metallic diaphragm for hygienic applications |
| 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...100°C (-13°F...212°F) 135°C for 1h (275°F for 1h) |
| Ambient temperature | -25°C...70°C (-13°F...758°F) |
| Measuring cell | 1bar...40bar (15psi...600psi) |
| Max. overpressure limit | 160bar (2320psi) |
| Process connection | Threads Tri-Clamp ISO2852 Hygienic connections |
| Communication | 4...20mA analogue PNP switch |
| Certificates / Approvals | ATEX |
| Safety approvals | SIL |
| Design approvals | EN10204-3.1 |
| Hygienic approvals | 3A |
| Specialities | switch output |
The following models are still in stock.
| PMP135-A1G01A1Q | Electrical connection M16; process connection Tri-clamp DN25-38; measuring range 4 bar |
| PMP135-A1G01A1S | Electrical connection M16; process connection Tri-clamp DN25-38; measuring range 10 bar |
| PMP135-A1G01A2Q | Electrical connection M16; process connection Tri-clamp DN25-38; measuring range 4 bar absolute |
| PMP135-A1G0DA1S | Electrical connection M16; process connection Tri-clamp DN25-38; measuring range 10 bar; final inspection report + 3.1 material certificate |
| PMP135-A1H01A1G | Electrical connection M16; process connection Tri-clamp DN40-51; measuring range 1 bar |
| PMP135-A1H01A1S | Electrical connection M16; process connection Tri-clamp DN40-51; measuring range 10 bar |
| PMP135-A1N01A1G | Electrical connection M16; process connection G1; measuring range 1 bar |
| PMP135-A1N01A1Q | Electrical connection M16; process connection G1; measuring range 4 bar |
| PMP135-A2N01A1G | Electrical connection NPT1/2; process connection G1; measuring range 1 bar |
| PMP135-A2N01A1Q | Electrical connection NPT1/2; process connection G1; measuring range 4 bar |
| PMP135-A4H0CA1G | Electrical connection M12; process connection Tri-clamp DN40-51; measuring range 1 bar; 3.1 material certificate |
| PMP135-A4N01A2S | Electrical connection M12; process connection G1; measuring range 10 bar absolute |
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Source: Endress+Hauserpublic information from the 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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