Critical Technical Advantages
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High-Precision Metallic Sensor: The PMP71B offers an exceptional accuracy of up to +/- 0.025%. Its robust metallic diaphragm is designed to handle high-pressure cycles and vacuum applications with long-term stability.
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SmartBlue App Connectivity: Operators can remotely control and configure the transmitter via a secure Bluetooth connection. This allows for safe commissioning and maintenance from a mobile device, especially in hard-to-reach or hazardous areas, without the need for a physical cable.
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Intuitive Software Wizards: The device software includes guided wizards that simplify complex tasks. These lead the user through setup, SIL commissioning, and proof testing, significantly reducing the risk of human error.
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Advanced Heartbeat Technology: This suite provides continuous self-diagnostics and verification without process interruption. It can detect anomalies such as changes in loop characteristics or plugged impulse lines, ensuring the device is always operating within specification.
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Visual Status Indication: The backlit display provides immediate feedback on the health of the instrument. In the event of a diagnostic message, the display background changes from green to red, allowing maintenance teams to identify issues at a glance.
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Extreme Temperature Capability: When paired with diaphragm seals, the PMP71B can handle process temperatures as high as 400°C (752 °F), making it suitable for hot oil, steam, and chemical synthesis applications.
Technical Performance Matrix
| Feature | Details |
| Measuring Principle | Piezoresistive / Metallic |
| Pressure Range | Up to 700 bar (10,500 psi) |
| Accuracy | Up to +/- 0.025% |
| Process Temperature | Up to 400°C (752 °F) with diaphragm seal |
| Safety Integrity Level | Designed for SIL 2/3 applications |
| Communications | 4-20 mA HART, Bluetooth |
Primary Applications
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High-Pressure Processing: Monitoring pressure in oil and gas production or high-pressure chemical reactors.
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Safety Instrumented Systems (SIS): Serving as a critical component in safety loops where error-free commissioning and guided proof tests are required.
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Extreme Temperature Fluids: Measuring pressure in refineries or power plants where the medium exceeds standard sensor limits.
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Remote Monitoring: Applications where instruments are installed in difficult-to-access locations, utilizing Bluetooth for wireless interaction.
