DMTFB Clamp-on Series Ultrasonic flowmeter from Microview Australia Trading

Functions and applications of the DMTFB Clamp-on Series Ultrasonic flowmeter include:

Transmitter:

• Principle of measurement: Principle of Transit Time, DSP technology and MultiBeam Transducer Technology
• Power requirements: 115/230VAC 50/60Hz ±15% at 5 VA maximum, 9-28VDC at 2.5 VA maximum
• Velocity: 0 - +12 m/s
• Outputs optional: All outputs are isolated from earth and system grounds
• 4-20 mA output：1000 ohm maximum
• Accuracy: 0.1%
• Pulse output：1-9999 Hz (from OCT) for flow rate or total flow output
• Display: 2 line × 8 character LCD back lit
• Units: English or metric units
• Rate: Rate and velocity display
• Totaliser: Forward total, Reverse total, Net total (difference between forward and reverse flow)
• Ambient conditions: -40 to 131F [-40 to 55˚], 0-95% relative humidity, non-condensing
• Enclosure: NEMA 4X [IP65] Polycarbonate SS Brass and plated steel
• 178H×146W×99Dmm
• Accuracy flow rate: ±1.0% of reading at rates >0.3 m/s (uncalibrated) and ±0.5% of reading at rates >0.3 m/s for field calibration systems
• Repeatability: ±0.2% of reading
• Responding time: 500ms (2 set/seconds)
• Communication interface: (Std) RS-232C or (Opt) RS-485
• Security: Keypad lockout, password or other access code available

Other functions:

• Automatic recording of incident and management of flow measurement
• Remembers the state of the flowmeter
• Diagnosis

Transducer:

• Liquid Types: Virtually any liquid containing less than 5% total suspended solids (TSS) or aeration
• Liquid temperature - Magnetic force transducer, -40 to 180F [-40 to 82˚] (Opt) -40 to 300F [-40 to 150˚]
• Transducer cable length - Shielded cable: (Opt) extensive length to 300 metres
• Pipe size - (Std): 1 to 50 inches [25 to 1250mm] pipe I.D. (Opt): 50-180 inches [1250- 4570mm]
• Pipe material - All kinds of steel and cast iron, and PVC

• Water supply and drainage water, including hot water, sewage (with less than 5% suspended solids) and sea water
• Process liquids, including liquors, beverage, olive oil and milk
• Oil, including lubricating oil, gasoline, kerosene and diesel oil
• Metallurgy, laboratory, food and medicine
• Heat measures, heat balance, energy conservation
• On-the-spot check-up, pipeline leak detection and judgment

• Advanced Digital Signal Processing (DSP) technology and MultiBeam transducer technology
• Digital Cross-correlation (DCC) technology
• Non-invasive flow system allowing solids to pass through the pipe with no effect on the meter
• No Y-strainers or filtering devices needed
• No-contacting sensor design, making no fouling and free maintenance
• Sensors suitable for different pipe materials with wide pipe diameters
• Easy and cost-saving installation by clamping transducers on the outside of existing piping systems
• User-friendly menu selections making DMTF easy operations
• User-configurable in English, metric and other universal engineering units
• Event data logger available in searching the event of totaliser
• Parallel operation of positive, negative and net flow totalisers available
• Flow rate, or total pulse output and frequency output available through an open collector