Doppler ultrasonic flow meter FDT50 series
for waterin-lineflange

Doppler ultrasonic flow meter
Doppler ultrasonic flow meter
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Doppler ultrasonic
for water
in-line, flange
Protection level
Other characteristics
digital, economical
Process temperature

Min.: 0 °C (32 °F)

Max.: 50 °C (122 °F)

Process pressure

Min.: 0 Pa (0 psi)

Max.: 1,586,000 Pa (230.03 psi)


In-Line Ultrasonic Flow Meter • Economical Ultrasonic Flow Meter for Water Service • DN 32 to 200 (2 to 8") Flanges • Battery Powered • Displays Flow Rate and Total • Extended Low Flow Range • Virtually No Pressure Loss • No Moving Parts for Long Life • NIST 3-Point Calibration Included • USB/RS232 (Optional) The FDT500 series uses transit time ultrasonic technology in which the signal is transmitted and received alternately between 2 flow sensors and the “time of flight” determines the flow rate. The battery-powered transmitter comes in the user’s choice of an integrally mounted display or a remote-mount version. Applications include both commercial and consumable water measurement. Long-term stability and a wide measurement range make it possible not only to measure water consumption, but also to monitor systems for water leakage. Because the FDT500 Series has no moving parts, system pressure loss is minimal and filtration is not required. Display flow rate or total at the push of a button. Models are available with DN 32 to 200 or 2 to 8" 150-lb ANSI flanges. Specifications Accuracy: ±2% of reading; ±5% below minimum transition rate Enclosure IP Rating: Integral mount models: IP67 Remote mount models(-R): IP68 Electronic Housing: Aluminium alloy with plastic cover Display: 7-segment, 8-digit, single-line LCD Current Output (-A): 4 to 20 mA/DC current (requires 8 to 24 Vdc supply) (optional) Open Collector Output: 5 to 30 Vdc, 1 mA maximum Flange: ANSI 150# or DIN Meter Body: Cast iron Power Supply: Internal 3.6V battery (included), 2 to 4 year life


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