Key Specifications
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Maximum measurement accuracy
Liquid volume flow: ±0.75%
Steam/gas volume flow: ±1.00%
Liquid mass flow: ±0.85%
Steam/gas mass flow: ±1.7% -
Measurement range
Liquids: 0.16 to 625 m³/h (0.09 to 368 ft³/min)
Reference medium: water at 1 bar a, 20 °C (14.5 psi a, 68° F)
Steam/gas: 2 to 8342 m³/h (1.18 to 4910 ft³/min)
Reference conditions: steam at 180 °C, 10 bar a (356 °F, 145 psi a); air at 25 °C, 4.4 bar a (77 °F, 63.8 psi a) -
Medium temperature range
Standard: –40 to +260 °C (–40 to +500 °F)
Extended option: –200 to +400 °C (–328 to +752 °F)
Custom option: –200 to +450 °C (–328 to +842 °F) -
Maximum operating pressure
PN 40, Class 300, 20K
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Wetted materials
Measurement tube: 1.4408 (CF3M)
DSC sensor: 1.4435 (316/316L)
Applications
The Prowirl D sensor features direct flange mounting capability, making it ideal for auxiliary process applications with minimal installation requirements. Its true loop-powered design allows for economical integration into existing systems while maintaining operational safety in hazardous environments. The integrated Heartbeat Technology ensures continuous process reliability.
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Ideal measurement solution for wet/saturated/superheated steam, gases & liquids (including cryogenic applications)
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Suitable for standard applications and direct replacement of orifice plates
Key Features
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Compact 65 mm (2.56 in) face-to-face length
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Flangeless design
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Lightweight construction
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Display module with data transfer capability
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Durable dual-chamber housing
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Global safety certifications (SIL, hazardous areas)
Advantages
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Built-in temperature measurement for saturated steam mass/energy flow
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Simplified sensor alignment with included centering rings
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Exceptional durability against vibrations, thermal shocks & water hammer
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Stable long-term performance with drift-resistant capacitive sensor
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Convenient wiring through dedicated connection compartment
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Safe operation with touch-controlled backlit display
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Built-in verification via Heartbeat Technology
