Endress+Hauser
Endress+Hauser Proline Prosonic Flow 91W ultrasonic flowmeter
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Max. measurement error | Volume flow: ±3% o.r. for DN15 ±2% o.r. for DN25 to 200 ±2% o.r. above DN200 |
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Measuring range | 0.3 to 10 m/s (1 to 33 ft/s) |
Medium temperature range | -20 to +80°C (-4 to +176 °F) 0 to +130°C (32 to +265 °F) option |
Max. process pressure | N/A |
Wetted materials | Clamp on system: Sensor holder 1.4308/CF-8 Sensor housing 1.4301/304 Strapping bands 1.4301/304 |
Measuring principle | Ultrasonic flow |
Product headline | Device with automatic frequency scan for maximum measuring performance and cost-effective transmitter. Clamp-on flow measurement of process water, salt water, demineralized water, drinking & wastewater. |
Sensor features | Low capital investment – cost-effectiveness increases with pipe diameter (up to DN 4000/156"). Long-term stable signal – maintenance-free permanent mounting from outside with coupling pads. Process transparency – diagnostic capability. Medium temperature: –20 to +80 °C (-4 to +176 °F). Degree of protection IP68 (Type 6P enclosure) for pipes under water. Shock and vibration resistance according to IEC 68-2-6. |
Transmitter features | Economical transmitter – designed for easy applications. Fast and reliable commissioning – Quick Setup menu for installation. Automatic recovery of data for servicing. Aluminium field transmitter housing. 2-line display with push buttons. HART. |
Nominal diameter range | Single channel, 1 or 2 paths : DN15 to 2000 (1/2 to 80") |
Wetted materials | Clamp on system: Sensor holder 1.4308/CF-8 Sensor housing 1.4301/304 Strapping bands 1.4301/304 |
Measured variables | Volume flow, sound velocity, flow velocity, signal strength, totalizer |
Max. measurement error | Volume flow: ±3% o.r. for DN15 ±2% o.r. for DN25 to 200 ±2% o.r. above DN200 |
Measuring range | 0.3 to 10 m/s (1 to 33 ft/s) |
Max. process pressure | N/A |
Medium temperature range | -20 to +80°C (-4 to +176 °F) 0 to +130°C (32 to +265 °F) option |
Ambient temperature range | -20 to +60 °C (-4 to +140 °F) |
Sensor housing material | N/A |
Transmitter housing material | AlSi10Mg, coated |
Degree of protection | IP67, type 4X for transmitter IP67 type 4X for sensors IP68 type 6P for sensors (option). IP67 NEMA 4X |
Display/Operation | 2 lines backlit display with 3 push button |
Outputs | 1x 4-20 mA HART (active) 1x Pulse/frequency/switch output (passive) |
Inputs | N/A |
Digital communication | HART |
Power supply | AC 85 to 250 V 20 to 28 V DC 11 to 40 V |
Hazardous area approvals | Non hazardous area FM, CSA |
Other approvals and certificates | Flowmeter verification for DN15, 25, 40, 50 & 100 only EAC marking |
Product safety | CE, C-Tick, EAC marking |
Metrological approvals and certificates | Flowmeter verification for DN15, 25, 40, 50 & 100 only |
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