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FDT-21W ultrasonic flowmeter is
designed to measure the fluid
velocity of liquid in a full/closed
pipe. It is a measurement system
which is both easy to install and
The FDT-21W operates by measuring the transit time (or time of flight) of an ultrasonic pulse transmitted between two sensors clamped onto the outside of the pipe. These electro-acoustic transducers receive and emit brief ultrasonic pulses through the liquid
of the pipe. The transit time of the ultrasonic pulses is proportional to the flow rate of the liquid.
Transducers are vertically placed at both sides of the measured pipe and fastened by means of a clamp. This external mounting means the transducers do not come into contact with the fluid being measured and the line does not have to be broken or drained for installation. The display will quickly
show the flow velocity. The FDT-21W
can be used for metallic, plastic and
Specifications Accuracy: ±1% of reading >(0.2 m/s) 0.6 ft/s Repeatability: 0.2% Linearity: 0.5% Response Time: 0 to 999 seconds (user configured) Velocity: (±0.01 to 30 m/s) ±0.03 to 105 ft/s bi-directional Temperature Range: 0 to 160°C (32 to 320°F) Pipe Size: DN 20 to 100 mm (0.75 to 4") standard [up to DN 6000 mm (236") with optional transducers] Transducer Frequency: 1 MHz Rate Units (User Configured): Meter, feet, cubic meter, cubic feet, USA gallon, oil barrel, USA liquid barrel, imperial liquid barrel, million USA gallons Totalizer: 7-digit totals for positive, negative and net flow Liquid Types: Most liquids including clean water, sea water, waste water, chemical liquids, oil, crude oil, alcohol, beer, and more Suspension Concentration: ≤20,000 ppm (may contain very small amounts of air bubbles) Pipe Material: All metals, most plastics and fibreglass Security: Programmable lock-out code Display: 2 x 16 english letters Power: 85 to 264 Vac Communications: RS485 (baud rate from 75 to 115,200 bps) Transducer Cable Length: 5 m Data Logger: Built-in, stores over 2000 lines of data Totalizer/Calibration: 7-digit press-to-go for calibration Housing: ABS plastic with aluminium alloy protective carrying case Case: NEMA 4 (IP65) Dimensions: 29 H x 20 W x 9 cm D Weight: 514 g
† Tous les Montants indiqués Dans EUR I> Notez: Comes complete with standard size high temperature transducers (S2H), M2 memory storage card, transducer cable (2 @ 5 metres), transducer clamps (DN100), allen (hex) wrench, 10 terminal spade lugs, shrink tubing and operator's manual.