Specs at a glance
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Max. measurement error
Volume flow (liquid): ±0.75 %
Volume flow (steam, gas): ±1.00 %
Mass flow (saturated steam): ±1.7% (temperature compensated); ±1.5% (temperature/pressure compensated)
Mass flow (superheated steam, gas): ±1.5 (temperature/pressure compensated); ±1.7% (temperature compensated + external pressure compensation)
Mass flow (liquid): ±0.85% -
Measuring range
Liquid: 0.1 to 1700 m³/h (0.061 to 1000 ft³/min)
depending on medium: water with 1 bar a, 20 °C (14.5 psi a, 68° F)
Steam, gas: 0.52 to 22000 m³/h (0.31 to 13000 ft³/min)
depending on medium: steam with 180 °C, 10 bar a (356 °F, 145 psi a); air with 25 °C, 4.4 bar a (77 °F, 63.8 psi a) -
Medium temperature range
Standard: –40 to +260 °C (–40 to +500 °F)
High/low temperature (option): –200 to +400 °C (–328 to +752 °F) -
Max. process pressure
PN 250, Class 1500, 40K
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Wetted materials
Measuring tube: 1.4408 (CF3M)
DSC sensor: UNS N07718 similar to Alloy 718, 2.4668
Process connection: 1.4404/F316/F316L
Field of application
Prowirl O is ideally suited for reliable process control in demanding gas and steam applications with high process pressure. Moreover, its design ensures maximum safety in main and ancillary processes. With genuine loop-powered technology, Prowirl O 200 enables cost-effective and seamless integration into existing infrastructures. It offers highest operational safety in hazardous areas. Heartbeat Technology enables process safety at all times.
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Preferred measuring principle for wet/saturated/superheated steam, gases & liquids (also cryogenic)
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The specialist for applications with high process pressure
Device properties
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Saturated steam mass flow up to PN 250 (Class 1500)
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Full compliance with NACE (MR0175/MR0103)
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Flexible positioning of pressure cell
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Display module with data transfer function
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Robust dual-compartment housing
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Plant safety: worldwide approvals (SIL, Haz. area)
Benefits
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Better process control – integrated temperature and pressure measurement for steam and gases
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Increased mechanical integrity for flow measurement – special sensor design
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Same accuracy down to Re 10 000 – most linear Vortex meter body
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Long-term stability – robust drift-free capacitive sensor
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Convenient device wiring – separate connection compartment, various Ethernet options
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Safe operation – no need to open the device
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Integrated verification – Heartbeat Technology
