Product Overview
The SX-FULB Series clamp-on ultrasonic flowmeter is a non-contact, non-invasive liquid flow measurement device. Based on the ultrasonic transit-time principle, it measures liquid flow inside the pipe without cutting the pipe or interrupting the process. The clamp-on design provides no pressure loss and no process-fluid contact, making it suitable for flow monitoring and management in industrial applications
Typical Measurements
- Instantaneous flow rate
- Accumulated flow total
- Flow velocity
- Signal quality
Main Features
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Non-Contact, Non-Invasive —— No pipe cutting or wall damage required; clamp-on installation with a
single screwdriver
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Transit-Time Ultrasonic Principle —— Rapidly and accurately measures liquid flow inside the pipe without
interrupting the process
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High Accuracy & Repeatability —— Accuracy ±1 % F.S.; repeatability 0.15 % F.S.
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No Pressure Loss, No Contamination —— Completely external installation; no contact with process fluid
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One Clamp, Two Pipe Sizes —— Reversing the base bracket 180° selects between two supported pipe diameters
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Multiple Alarm Output Modes —— Instantaneous flow mode, zone mode, and totalizer mode
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Rotatable TFT-LCD Display —— Screen supports 4 orientation directions, allowing multiple installation positions
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Compatible Pipe Materials —— Metal pipe (stainless steel, carbon steel, copper) and plastic pipe (PVDF, PVC, PPR, PPH, PFA, HDPE)
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Multiple Measurable Media —— Water, chemical liquids, organic liquids, and oils
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Multiple Output Options —— RS-485 / Modbus RTU, 4–20 mA, and NPN/PNP discrete output
Product Application
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Li-ion Battery
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Environmental
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Agriculture & Animal Husbandry
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Pharmaceutical
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Food Processing |
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Technical Data
| Measurement |
| Measurement Principle |
Ultrasonic transit-time |
| Pipe Size Range |
DN8–DN20 (NPS ¼"–¾") |
| Measurable Media |
Water / Chemical liquids / Organic liquids / Oils |
| Flow Units |
L/min / m³/h / L/h |
| Displayed Variables |
Instantaneous flow rate / Accumulated flow total / Flow velocity / Signal quality |
| Flow Range |
| DN8 (¼") |
1.0–20 L/min |
| DN10 (⅜") |
1.0–30 L/min |
| DN15 (½") |
2.5–60 L/min |
| DN20 (¾") |
2.5–100 L/min |
| Accuracy & Performance |
| Accuracy |
±1% F.S.
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| Repeatability |
0.15% F.S. |
| Display Update Rate |
0.25 s |
| Display Resolution |
0.01 / 0.1 / 1 (Default: 0.1) |
| Display |
| Display Type |
TFT-LCD, rotatable |
| Display Orientation |
4 directions |
| Menu Language |
Chinese / English |
| Electrical Data |
| Power Supply |
20–30 V DC |
| Digital Output |
RS485 Modbus RTU |
| Analog Output |
4–20 mA (0–24 mA / 0–20 mA adjustable) |
| Discrete Output |
NPN / PNP |
| Connector |
M12 × 1 |
| Cable Length |
2,000 mm (78.7 in) |
| Alarm Output |
| Instantaneous Flow Mode |
High-flow / Low-flow threshold alarm |
| Zone Mode |
Flow outside a defined range |
| Totalizer Mode |
Alarm when accumulated flow reaches a preset value |
| Environmental Conditions |
| Liquid Temperature |
0°C to +85°C (32°F to +185°F), non-freezing |
| Ambient Temperature |
−10°C to +60°C (+14°F to +140°F), non-freezing |
| Relative Humidity |
35–85% RH, non-condensing |
| Ingress Protection |
IP54 (IEC 60529) |
| Mechanical Data & Dimensions |
| Housing Material |
Aluminium alloy |
| Sensor Material |
PEEK |
| Sensor Type |
Integral (one-body) |
| Installation Method |
Clamp-on, non-invasive |
| Installation Tool |
Single screwdriver |
| Overall Length |
106 mm |
| Body Width |
40 mm |
| Body Height |
50 mm |
| Metal Pipe |
Stainless steel / Carbon steel / Copper |
| Plastic Pipe |
PVDF / PVC / PPR / PPH / PFA / HDPE |
| Output Variants |
| R |
RS485 Modbus RTU + 4–20 mA |
| A |
4–20 mA + NPN / PNP discrete output |
| B |
RS485 Modbus RTU + NPN / PNP discrete output |
Certifications & Compliance
