Key Specifications
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Maximum Measurement Error
Liquid mass flow: ±0.10% (standard), 0.05% (optional)
Liquid volume flow: ±0.10%
Gas mass flow: ±0.35%
Liquid density: ±0.0005 g/cm³ -
Measurement Range
0 to 2,200,000 kg/h (0 to 80,850 lb/min)
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Medium Temperature Range
–40 to +205 °C (–40 to +401 °F)
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Maximum Process Pressure
PN 250, Class 1500
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Wetted Materials
Measuring tube: 25Cr duplex (Super Duplex), 1.4410 (UNS S32750)
Connection: 25Cr duplex (Super Duplex), 1.4410 (F53)
Applications
The Promass O delivers exceptional precision for liquid and gas measurements under extreme process pressures in oil and gas operations. Engineered for offshore environments, it resists stress corrosion cracking. The Promass O 500 features a remote transmitter for enhanced installation adaptability and operational reliability in harsh conditions. Heartbeat Technology ensures process integrity.
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Measurement principle unaffected by fluid characteristics like viscosity or density
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Delivers high accuracy under extreme pressures, ideal for offshore use
Device Features
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25Cr Duplex measuring tube, 1.4410 (UNS S32750)
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Handles process pressures up to PN 250 (Class 1500)
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Nominal diameter: DN 80 to 250 (3 to 10″)
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Remote configuration supports up to 4 I/Os
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Touch-enabled backlit display with WLAN connectivity
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Standard sensor-to-transmitter cabling
Advantages
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Enhanced safety – superior resistance to stress corrosion cracking
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Reduced instrumentation – multivariable measurement (flow, density, temperature)
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Compact installation – eliminates straight pipe requirements
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Comprehensive data access – flexible I/O combinations and Ethernet support
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Simplified setup – configurable I/O functionality
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Built-in verification – Heartbeat Technology
