Technical Data
ComparePressure
| Measuring Principle | |
| Characteristic | Intelligent pressure switch with ceramic, vacuum tight measuring cell, longterm stable and overload resistant |
| Supply voltage | 12...30VDC |
| Reference Accuracy | 0,5% |
| Long term stability | 0,15% of URL/year |
| Process temperature | -40°C...100°C (-40°F...212°F) |
| Ambient temperature | -40°C...85°C (-40°F...185°F) |
| Measuring cell | 100mbar...40bar (1.5psi...600psi) |
| Max. overpressure limit | 60bar (900psi) |
| Process connection | Threads |
| Communication | 1x PNP switch 2x PNP switch 1x PNP switch + 4...20mA analogue |
| Design approvals | EN10204-3.1 |
| Specialities | Digital display Robust SS-housing with Ra < 0,8 micron |
The Ceraphant PTC31 is an economical pressure switch with a vacuum-sealed ceramic measuring cell for the measurement and monitoring of absolute and gauge pressure.
Benefits
Excellent accuracy, shortest response time and smallest measuring span
Ceraphire® sensor diaphragm: corrosion-resistant, wear-resistant and highly overload-proof
Built-in switching electronics for decentralized and economical process monitoring and control
Modular connection for fast and flexible installation
Excellent repeatability and long-term stability. The LED digital display module allows on-site checking of the instrument status and retrieval of information
The upper housing can be rotated by 310 ° for convenient reading of the display.
Compliant with DESINA standard, 3-A certified
Application areas
The pressure switch is used to monitor the absolute and gauge pressure of gases, vapors, liquids and dust.
The Ceraphant T PTC31 uses a ceramic sensor and measures pressure in the range from vacuum to 40 bar/600 psi.
Electrical configuration: 1 PNP switch output, dual PNP switch outputs, PNP switch output plus analog output 4…20 mA (active).
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Technical information
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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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