Description
The Keyence FD-XS20 (part number FD-XS20) is a compact micro flow sensor head designed for use with the FD-X Series ultrasonic clamp-on flow sensors. It accurately measures liquid flow in metal and plastic pipes, supporting a maximum rated flow of 20 L/min. The FD-XS20 provides high repeatability and durability, making it suitable for monitoring water, oil, adhesive, and chemical fluids in industrial automation and process control applications.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Keyence |
| Category |
Sensors & Switches |
| Part Number |
FD-XS20 |
| Subcategory |
Flow Transmitter |
| Type |
Ultrasonic Clamp-On Micro Flow Sensor Head |
| Supported Pipe Materials |
Metal pipes, plastic pipes (soft/hard) |
| Supported Fluids |
Water, oil, adhesive, grease, chemical solutions |
| Supported Fluid Temperature |
0°C to 100°C (32°F to 212°F) |
| Clamp Set Compatibility |
FD-XC20R1, FD-XC20R2, FD-XC20R3, FD-XC20R4 |
| Maximum Rated Flow Rate |
Up to 20 L/min |
| Display Resolution |
0.001/0.01/0.1 L/min (standard), 0.001/0.01/0.1 mL (high-resolution mode) |
| Repeatability |
±0.1% F.S. |
| Response Time |
50 ms or 500 ms selectable |
| Zero Cut Flow Rate |
0.10 L/min (standard), 40 mL/min (high-resolution) |
| Enclosure Rating |
IP65/IP67 (IEC60529), IP68G (JIS C0920) |
| Operating Temperature |
-10°C to +60°C (14°F to 140°F) |
| Operating Humidity |
35% to 85% RH (no condensation) |
| Vibration Resistance |
10–55 Hz, 1.5 mm double amplitude, 2 h in X/Y/Z directions |
| Shock Resistance |
50 G (11 ms pulse), 3 times each in X/Y/Z directions |
| Material (Sensor Head) |
PPS/PPSU body, SUS304 detection surface, FKM rubber components |
| Material (Clamp Set - Plastic Pipe) |
PPS, PVC, FKM, SUSXM7 screws |
| Material (Clamp Set - Metal Pipe) |
SUS304/SUSXM7, FKM, special rubber |
| Display Method |
Status indicator LED |
| Power Supply |
Supplied by FD-X amplifier unit |
| Installation |
Clamp-on, no pipe modification required |
| Weight |
Approx. 0.34 lbs (260 g) |
Information About FD-XS20
The FD-XS20 belongs to the Keyence FD-X Series of clamp-on ultrasonic flow sensors engineered for reliable non-invasive fluid measurement. It accommodates both plastic and metal piping with various attachments, ensuring flexibility across production systems. With a measurable fluid temperature range of 0°C to 100°C, the FD-XS20 delivers precise readings without interrupting flow or requiring direct contact with liquids. Its rugged IP65/IP67-rated design, combined with advanced ultrasonic detection technology, ensures accurate performance in harsh manufacturing environments.
Key Features:
- Non-Invasive Design: Clamp-on sensor eliminates the need to cut or modify piping.
- Wide Flow Range: Capable of measuring up to 20 L/min with high precision.
- Multi-Pipe Compatibility: Works with both metal and plastic pipe attachments.
- High Accuracy and Repeatability: ±0.1% F.S. ensures stable and consistent results.
- Environmental Protection: IP65/IP67 dual rating ensures operation under wet or dusty conditions.
- Temperature Versatility: Measures fluids from 0°C to 100°C (32°F to 212°F).
- Fast Response Time: 50 ms response for dynamic flow monitoring applications.
- Chemical Compatibility: Suitable for liquids such as water, oil, adhesive, grease, and chemical solutions.
- Durable Build: Constructed from corrosion-resistant stainless steel and PPS/PBT materials.
- Flexible Mounting Options: Multiple clamp sets available for different pipe diameters and materials.
The FD-XS20 provides the accuracy, robustness, and flexibility essential for real-time flow monitoring in industrial fluid systems.
