Description
SMC PF2A511-03-1 Flow Switch (10–100 L/min)
SMC Corporation Japan | High-Precision Remote Type Flow Monitoring Sensor
This unit is in good pre-owned operational condition, carefully removed from functional automation equipment. The sensor body, mounting points, and port threads display typical minor cosmetic marks or scuffs from previous installation, but performance is fully intact. Please review all high-resolution listing photographs to confirm physical condition, port size, and connector type prior to purchase.
Product Overview
The SMC PF2A511-03-1 Flow Switch is a premium remote-type flow sensor manufactured by SMC Corporation (Japan) for precise measurement, monitoring, and output signaling in industrial fluid and pneumatic supply lines.
Designed to monitor flow rates within a 10 to 100 L/min range, the PF2A5 series remote sensor unit transmits fast, highly accurate flow data back to control monitors or system controllers. Its compact profile makes it ideal for tight machinery spaces, automated manufacturing lines, compressed air monitoring, and process fluid regulation.
Technical Specifications
| Specification Parameter | Details |
|---|---|
| Brand / Manufacturer | SMC Corporation (Japan Genuine) |
| Model / Part Number | PF2A511-03-1 (PF2A Series) |
| Sensor Type | Remote Sensor Unit for Flow Measurement |
| Flow Measurement Range | 10 – 100 L/min |
| Port Connection Size | 3/8″ (03 Connection Code) |
| Output Signal Format | Analog / Pulse Output (for Remote Display Unit / PLC Input) |
| Primary Application | Automated Manufacturing Lines, Pneumatic Systems, Air & Fluid Line Control |
Key Features
- High-Precision Flow Sensing: Provides accurate, reliable measurement across a 10 to 100 L/min flow range to prevent pressure drops and media starvation.
- Remote Unit Versatility: Separates sensor head from display, enabling space-saving installation in tight machine locations while routing signals to convenient control points.
- Fast Response Speed: Quick signal detection allows immediate switching, alarm triggering, or real-time process intervention.
- SMC Japanese Engineering: Built to stringent quality control standards for long operational lifespan and dependable continuous duty.
Please note that international import duties, taxes, customs clearance fees, and VAT are not included in the item price or shipping charges. These charges are the sole responsibility of the buyer. Please check with your country’s customs office to determine what these additional costs will be prior to purchasing.
Fast Express Delivery & Secure Packaging
Worldwide Fast Express Shipping (5 to 10 Days): We ship globally via premier express carriers (DHL / FedEx / UPS Express) to ensure safe, expedited delivery within 5 to 10 business days.

