FX990 In-line Ultrasonic Flow Meter
Summary:
The FX990 series ultrasonic flow sensors feature a U-shaped flow channel design and can be connected to a variety of tubing types—such as PVC, silicone, PE, and PUR—via NPT internal-thread fittings. With a compact footprint, this series requires no external circuitry to perform flow measurement and signal output, making it easy to integrate into liquid flow paths. Based on the ultrasonic time-of-flight principle, the FX990 series delivers highly accurate measurements even at very low flow rates, with a maximum resolution of ±0.1 mL/min. The sensor supports bidirectional flow measurement, enables volumetric flow calculation, and includes bubble detection. It can be configured as a flow switch or used in liquid filling applications.
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Category:
The FX990 series ultrasonic flow sensors feature a U-shaped flow channel design and can be connected to a variety of tubing types—such as PVC, silicone, PE, and PUR—via NPT internal-thread fittings. With a compact footprint, this series requires no external circuitry to perform flow measurement and signal output, making it easy to integrate into liquid flow paths. Based on the ultrasonic time-of-flight principle, the FX990 series delivers highly accurate measurements even at very low flow rates, with a maximum resolution of ±0.1 mL/min. The sensor supports bidirectional flow measurement, enables volumetric flow calculation, and includes bubble detection. It can be configured as a flow switch or used in liquid filling applications.
Detailed introduction
Product Features
- High accuracy and high stability
- Two-way measurement enables calculation of fluid volume and detection of air bubbles embedded within the sensor; the circuitry is integrated inside the sensor, eliminating the need for external circuitry
- Provides standard output methods for seamless integration with customer systems
- The color or conductivity of the liquid does not affect the measurement results
Technical Specifications
| Product Name | FX990 In-line Ultrasonic Flow Meter |
| Suitable medium | Water, saline solution, buffer solutions, beverages, oils, etc., with no solid particles or only a small amount. |
| Liquid-contact materials | Fluid channel: Ultem , Sealing: Viton |
| Housing material | Aluminum alloy |
| Input voltage | 12–30 VDC |
| Current consumption | Below 20 mA (No external load) |
| Liquid temperature | 0°C–90°C |
| Ambient temperature | 0°C–60°C |
| Storage temperature | -20°C to 70°C |
| Input/Output | R S485 Output; Pulse output; Current output; Voltage output; Digital output, NPN ， PNP ，PUSH-PULL , which can be configured as a flow switch. |
| Optional Accessories | USB A data converter that can connect a sensor to a computer; Flow sensor display screen: connect a sensor and route the sensor cable outward via an adapter. Data cable, 3 Meter, with push-pull connectors at both ends, for connecting the flow display and the sensor. |
Product range and corresponding plastic pipe sizes
| Product Model | Flow range | Process Connection | |||
| FX980012NS | 0–1000 mL/min | 1/8” NPT, internal thread | |||
| FX980016NS | 0–2000 mL/min | 1/8” NPT, internal thread | |||
| FX980024NS | 0–3000 mL/min | 1/8” NPT, internal thread |
Industry Applications
| Semiconductor | Medical device | Beverage industry | Biopharmaceuticals |
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