Product Critical Technical Advantages
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Engineering excellence in a straight single-tube design provides a full-bore flow path that minimizes pressure drop and ensures gentle fluid treatment. This architecture is essential for shear-sensitive media or fluids containing solids, as it prevents product degradation and is exceptionally easy to clean or drain.
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Precision engineering for in-line viscosity measurement allows for continuous monitoring of fluid consistency directly in the process pipe. This eliminates the need for manual sampling and bypass lines, providing immediate data for quality control and process optimization.
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Integration of operational intelligence through Heartbeat Technology provides continuous internal diagnostics and documented verification without interrupting the process. This diagnostic power ensures that the Titanium measuring tube remains within specification and detects the earliest signs of internal buildup or coating.
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Specialized TMB® (Torsion Mode Bridge) technology ensures high-precision measurement even in single-tube designs. By utilizing a balanced system that measures both bending and torsional oscillations, the Promass I provides superior stability for both mass flow and viscosity measurement.
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Full access to process and diagnostic data is enabled by the Proline 300 transmitter, featuring up to 3 freely combinable I/Os and integrated WLAN. The dual-compartment housing allows for safe wiring access from one side, and the backlit display with touch control permits local operation without opening the device.
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Reduced installation complexity through multivariable measurement allows a single device to replace multiple sensors. By capturing mass flow, volume flow, density, temperature, and viscosity simultaneously, the Promass I 300 reduces the number of process penetrations and potential leak points in the piping system.
Key Device Specifications
| Feature | Specification |
| Nominal Diameter | DN 8 to 80 (3/8 to 3″) |
| Measuring Tube | Titanium Grade 9 |
| Max. Pressure | Up to 100 bar (1450 psi) |
| Transmitter Housing | Compact dual-compartment with WLAN access |
| Connectivity | Ethernet/IP, PROFINET, Modbus RS485, 4-20mA HART |
| Special Feature | TMB® technology & In-line Viscosity |
Field of Application
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Food & Beverage: Ideal for products like cream, yogurt, and chocolate where maintaining fluid structure and monitoring viscosity are critical for product consistency.
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Chemical & Specialty Fluids: Used in the production of resins, polymers, and adhesives where real-time viscosity feedback is required to control chemical reactions.
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Pharmaceutical Manufacturing: Applied in processes requiring gentle fluid handling and high-precision mass flow of active ingredients or fermentation broths.
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Oil & Gas / Lubricants: Perfect for blending and quality monitoring of lubricating oils and fuels where viscosity must be maintained within tight tolerances.




