Flow Meter Specifications
- The Portaflow 300 is a portable flow meter designed for use on liquid flows in full pipes which utilises “Clamp On” transducers
- ‘A’ Transducers in mounting rail: 13mm ID to 100mm ID pipes
- ‘B’ Transducers in mounting rail: 100mm ID to 300mm ID pipes Guide rail for diagonal operation using ‘B’ or ‘C’ transducers for pipes larger than 300 mm
- Optional transducers: ‘C’ & ‘D’ for pipes above 300mm upto 6000 mm Transducer
- operating temperature: ‘A’ ‘B’ ‘C’ -25 °C to +125 °C ‘D’ -25 °C to +70 °C. Optional Hi-temp transducers for operation above +125 °C to 175 °C
Enclosure
- IP66 protection class Material: High density P.U. foam
- Weight: Less than 1.5 kg
- Dimensions: 275 x 150 x 55 mm Display 240 x 64 graphics LCD with backlight
- Keypad: IP68 16 key tactile membrane
- Connections: IP66 Lemo connectors
- Temperature range: 0 °C to + 50 °C (-10 to 50 °C storage)
- Supply voltage: Power supply / charger
- Input: 100-260 VAC ± 10% @ 50/60 Hz Max. 9 Watts
- Output: 9VDC unregulated
- Battery pack: Internal batteries 5 x 4/3 AA nickel metal hydride: 24-30 hrs continuous operating on fully charged battery
- Recharge time: 10-16 hrs
- Outputs: Display
- Volumetric flow units: m3, litres, gallons (imperial/ US)
- Velocity units: metres/sec, feet/sec
- Flow velocity range: 0.2…12 ms to 4 significant figures
- Total volume: 12 digits – forward & reverse
- Analogue : 4-20mA into 750 ohm user definable scaling Resolution 0.1% of full scale
- Pulse: 5 volts Max. 1 pulse per second
- Data Logger: Memory capacity: 100K (50000 readings)
- Output: Via RS232 or displayed graphically
- Logs: Block data storage with test & graphic display, transferred to Microsoft windows
- Transducer sets: ‘A’ (standard) 13mm to 115mm pipe 0.2 ms to 8 ms ‘B’ (standard) 50mm to 1000mm pipe 0.2 ms to 12 ms ‘C’ (optional) 300mm to 2000mm pipe 0.2 ms to 7 ms ‘D’ (optional) 1000mm to 5000mm pipe 0.2 ms to 7 ms Temperature range ‘A’ ‘B’ ‘C’ -20 to +200 °C standard
- Frequency: 1MHz, 2 MHz, 0.5 MHz
- Pipe Material: Any sonic conducting medium such as carbon steel, stainless steel, copper, UPVC, PVDF, Concrete, Galvanised steel, Mild steel, Glass, Brass, including lined pipes-Epoxy, Rubber, Steel, Plastic
- Repeatability: ± 0.5% with unchanged transducer position
- Accuracy: ± 2% or ± 0.02 ms whichever is greater. Accuracy achieved under ideal calibration conditions on a 4” plastic pipe. Specifications assumes turbulent flow profile with Reynolds numbers above 4000