Product Description
Keyence FD-Q20C Digital Flow Sensor
The Keyence FD-Q20C is an innovative clamp-on digital flow sensor from the industry-leading FD-Q Series, designed to monitor liquid flow rates with unparalleled ease and reliability. Engineered for non-invasive installation, this sensor clamps directly onto the outside of existing piping, eliminating the need for pipe modifications, machine downtime, or the risk of fluid contamination. It is highly versatile and suitable for monitoring a wide range of liquids, including water, coolants, oils, and chemicals. Featuring a compact, rugged body with a high-visibility integrated dual-row display, the FD-Q20C provides real-time flow monitoring and diagnostics ideal for harsh industrial environments.
Technical Specifications:
- Supported Pipe Size: 3/4″ (20A) / Outer diameter 25.0 to 27.4 mm
- Supported Fluids: Water (including DI), oils, chemicals, and coolants
- Supported Pipe Materials: Metal (Stainless steel, Iron, Copper) and Resin (PVC, etc.)
- Enclosure Rating: IP65 / IP67 (Dust-tight and water-resistant)

Keyence FD-Q20C Digital Flow Sensor
Shop the Keyence FD-Q20C Clamp-on Digital Flow Sensor for accurate, non-invasive liquid flow monitoring. Features an integrated display, IP65/IP67 rating, and easy clamp-on installation for water, oils, and coolants.




