Nixon Flowmeters Limited
Metraflow - Non-Invasive PFA Flow Meter
The Metraflow through flow flowmeter uses Titan’s patented transit time ultrasonic technology to accurately measure liquid travelling through a PFA flow tube. The compact integrated electronic, display and sensor package offers superior performance in a single assembly. Computer and operational connections are separate, permitting setting and interface monitoring during normal operation. The units, time base, set points and analogue and digital outputs can all be set through the USB connector and meter interface software. Other parameters such as minimum flow cut-off, computer based data logging, display/output filtration and a negative flow flag can also be configured through this port.
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- Straight through construction.
- Patented ultrasonic technology.
- No dead areas or obstructions.
- PFA flow tube
- High accuracy time of flight measurement system
- Linearity 0.5% FSD (±1% reading isothermal)
- Repeatability ±0.1% plus ±0.02% FSD
- Wide flow range
- Compact body with built in display
- Free from ion contamination MetraFlow Non-Invasive PFA Flow Meter: Ideal for
- Semiconductor
- Pharmaceutical
- Medical
- Aggressive chemical metering
- Pilot plant
Flow range
- 1/8” tube: 20 to 1000 ml/min
- 1/4” tube: 100 to 5000 ml/min
Linearity
- ± 0.5% FSD (* ±1% reading)
Wetted components
- PFA Tube; FDA Approved
Repeatability
- ±0.1% plus ±0.02% FSD
Max temp
- 60°C
Working Pressure
- 1/8” tube 27.7bar(g)@25°C; 20.8bar(g)@60°C
- 1/4” tube 16.7bar(g)@25°C; 12.6bar(g)@60°C
Display
- 6 digit LCD configurable with annunciators
Outputs
- Configurable 2 X “NPN” NFET input or output
- 1 X “PNP” PFET input or output
- 4 – 20mA
- 0 to 5/10V dc
USB
- Interface and programming connection (Mini B)
Configurable
- Rate and/or Total
- Units
- Time base
- High/low flow alarms with hysteresis
- Analogue outputs (4 – 20 mA, 0 – 5/10V)
- Pulse output up to 10kHz
Power Supply
- 12 to 24V dc
- USB 5V with limited functionality
Connections
- Fluid: 300mm tube tails
- Electrical: Via 8 way cable and/or USB
Order codes
- 1/8” tube: 240-020
- 1/4” tube: 240-025