Overview: The MUL-310 is a Clamp-On Ultrasonic Flowmeter designed for measuring the flow rate of liquids, particularly pure and ultrapure water in the semiconductor industry. It utilizes DSP (Digital Signal Processor) technology to improve resistance to bubbles, ensuring stable signal measurement even in the presence of some bubbles.
Features:- Non-contact measurement method prevents particle generation and metallic ion mixing.
- No pressure loss due to the absence of obstacles in the flow path.
- Unaffected by pressure or conductivity of the fluid.
- Long-term stability with no moving parts.
- Standard outputs include indication, totalization, electric current, pulse, and alarm.
Measuring Principle: The flowmeter operates on the 'Time of Flight' principle, where ultrasonic signals are sent between two points (A and B) at an angle. The difference in travel time between upstream and downstream directions is used to calculate the average velocity of the medium.
Specifications:- Measurement Method: Time flight ultrasonic (V or Z path).
- Installation: Clamp-on type.
- Fluid Temperature: Max 60°C at the sensor installation surface.
- Pipe Material: PVC, PVDF, Stainless Steel, and others.
- Measuring Range: Minimum velocity 0.3 m/s, Maximum velocity 10 m/s.
- Accuracy: ±2% of indicated value for velocities over 1 m/s.
- Power Supply: 90 to 250 VAC or 24 VDC.
- Outputs: 4-20 mA current output, pulse output, and alarm output.
Installation Recommendations:- Maintain a straight length of 10D upstream and 5D downstream for accurate measurement.
- Ensure the pipeline is always full of liquid.
- Install control valves downstream of the sensor.
- Use water-tight covers for outdoor installations to prevent grease degradation.
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