Critical Technical Advantages
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Remote Transmitter Flexibility: The transmitter can be mounted up to 300 meters away from the sensor. This allows the electronics to be located in a safe, accessible area while the sensor operates in high-vibration, high-temperature, or restricted-access environments.
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Advanced I/O Capability: The 500-series transmitter offers the highest level of connectivity with up to 4 freely configurable I/Os. This allows for the simultaneous output of mass flow, temperature, and diagnostic alerts, alongside various fieldbus protocols.
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Patented Drift-Free Sensor: The SIL 2-certified sensor design ensures long-term measurement reliability. It is specifically engineered to resist the mechanical and thermal stresses of gas flow, ensuring that the device does not require frequent recalibration to maintain accuracy.
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Comprehensive Gas Engine: The device can be programmed using a library of 21 standard gases or user-defined mixtures. The Gas Engine calculates and compensates for changes in gas type and process conditions on the fly, ensuring repeatable measurement even in fluctuating streams.
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Bidirectional Flow Detection: The t-mass F 500 can monitor flow in both directions. This is vital for complex utility networks where understanding reverse flow is necessary for accurate energy balancing and process disturbance detection.
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Heartbeat Technology: Integrated verification allows for a documented, in-situ health check of the entire device. This verification is traceable to international standards and can be performed without interrupting the process, significantly lowering maintenance costs.
Technical Performance Matrix
| Feature | Details |
| Measuring Principle | Thermal Dispersion (Direct Mass Flow) |
| Installation Style | Inline (DN 15 to 100 / 1/2 to 4″) |
| Transmitter Style | Remote (Up to 4 I/Os, WLAN access) |
| Gas Library | 21 standard gases + custom mixtures |
| Safety & Integrity | SIL 2 compliant, Heartbeat Technology |
| Communication | HART, Modbus RS485, PROFIBUS DP, PROFINET, Ethernet/IP |
Primary Applications
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Demanding Process Gas Control: High-precision measurement in chemical or pharmaceutical reactors where the electronics must be isolated from the process line.
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Specialized Gas Mixtures: Accurate flow control for custom blends of industrial gases (e.g., shielding gases or fermentation air).
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High-Security Utility Monitoring: Measuring natural gas or oxygen in areas where operational safety and remote access are critical.
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Complex Energy Management: Tracking bidirectional gas flow in large distribution headers for ISO 50001 compliance.
