The FDT-25W ultrasonic flow meter is designed to measure the fluid velocity of liquid within a closed conduit. The transducers are a non-contacting, clamp-on type, which will provide benefits of non-fouling operation and easy installation. The FDT-25W transit-time flow meter utilizes two transducers that function as both ultrasonic transmitters and receivers. The transducers are clamped on the outside of a closed pipe at a specific distance from each other. The transducers can be mounted in V-method where the sound transverses the pipe twice, or W-method where the sound transverses the pipe four times, or in Z-method where
the transducers are mounted on opposite sides of the pipe and the sound crosses the pipe once. This selection of the mounting method depends on pipe and liquid characteristics. The flow meter operates by alternately transmitting and receiving a frequency modulated burst of sound energy between the two transducers and measuring the transit time that it takes for sound to travel between the two transducers. The difference in the transit time measured is directly and exactly related to the velocity of the liquid in the pipe. The FDT-25W can be used for metallic, plastic and rubber tubes. Applications include Running Water, HAVC, Water Conservation, Metallurgy, Chemical Industry, Machinery, Energy.
FDT25W comes complete with:
1 ea. Wall Mounted Ultrasonic Flow Meter
2 ea. Standard Clamp on Transducers for Pipe Sizes 3/4" to 4"
1 ea. Hexagonal Wrench
2 ea. Steel clamps
1 ea. Acoustic gel for Standard Transducers
Transducers for larger pipe sizes and extended temperature ranges are available in the Accessories Section for an additional charge.
SPECIFICATIONS
Cable Length:5M Communications Protocol: RS485 Minimum Liquid Temperature: Standard -30°C, Hi Temp -30°C Maximum Liquid Temperature: Standard 90°C, Hi Temp 160°C Response Time:0~999 seconds, user configurable Cable Type: Twisted Pair Line Display Type: LCD with Backlight, Chinese/English Power Source: AC/DC Supply Frequency: 50/60 Hz Media Type: Water, sea water, industrial sewage, acid & alkali liquid, alcohol,beer, all kinds of oils which can transmit ultrasonic single uniform liquid Data Logging: Built in Minimum Log Interval: User configurable Repeatability: 0.20% Accuracy Value: ±1% of reading at rates >0.2 mps Measurement Units: User configured—feet, gallons, ft3, mil-gal, meters, liters, mil ft3, m3, mil-liters, acre-feet, oil barrels (42 gallon), liquor barrels (32.5 gallons), lb, kg Minimum Ambient Temperature: -30°C (-22°F) Maximum Ambient Temperature: 80°C (176°F) Maximum Ambient Humidity: 85% RH Measurement Type: Flow
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