Endress+Hauser Proline Prosonic Flow 91W

Ultrasonic flowmeter

Ultrasonic clamp-on flow meter with Prosonic Flow system. It measures the flow of wastewater, drinking and industrial water. Overhead sensors.

Device with automatic frequency scan for max. measuring performance and cost-effective transmitter.

Ultrasonic flow

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.

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 В°C (-4 to +176 В°F). Degree of protection IP68 (Type 6P enclosure) for pipes under water. Shock and vibration resistance according to IEC 68-2-6.

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.

Single channel, 1 or 2 paths : DN15 to 2000 (1/2 to 80")

Clamp on system:
Sensor holder 1.4308/CF-8
Sensor housing 1.4301/304
Strapping bands 1.4301/304

Volume flow, sound velocity, flow velocity, signal strength, totalizer

Volume flow:
В±3% o.r. for DN15
В±2% o.r. for DN25 to 200
В±2% o.r. above DN200

0.3 to 10 m/s (1 to 33 ft/s)

N/A

-20 to +80В°C (-4 to +176 В°F)
0 to +130В°C (32 to +265 В°F) option

-20 to +60 В°C (-4 to +140 В°F)

N/A

AlSi10Mg, coated

IP67, type 4X for transmitter
IP67 type 4X for sensors
IP68 type 6P for sensors (option). IP67 NEMA 4X

2 lines backlit display with 3 push button

1x 4-20 mA HART (active)
1x Pulse/frequency/switch output (passive)

N/A

HART

AC 85 to 250 V
20 to 28 V
DC 11 to 40 V

Non hazardous area
FM, CSA

Flowmeter verification for DN15, 25, 40, 50 & 100 only
EAC marking

CE, C-Tick, EAC marking

Flowmeter verification for DN15, 25, 40, 50 & 100 only