Product Description
KEYENCE FD-Q50C Clamp-on Flow Switch
The KEYENCE FD-Q50C is an advanced clamp-on digital flow switch from the highly reliable FD-Q series, engineered for non-invasive liquid flow monitoring. This innovative sensor eliminates the need for pipe modification, cutting, or machine downtime during installation. It easily mounts onto the outside of standard 1 1/2″ (40A) and 2″ (50A) pipes, making it ideal for a wide range of industrial fluid applications. Equipped with a highly visible digital display, intuitive control buttons, and support for both NPN and PNP outputs alongside external input capabilities, the FD-Q50C delivers precise, hassle-free flow detection. Manufactured in Japan, it ensures top-tier quality, durability, and seamless integration into your existing control systems.
Technical Specifications:
- Brand: KEYENCE
- Model: FD-Q50C
- Product Series: FD-Q Series
- Compatible Pipe Sizes: 1 1/2″ (40A) and 2″ (50A)
- Output Type: Selectable NPN / PNP Output
- Input Function: External Input supported
- Display: Integrated digital display with control buttons
- Country of Origin: Made in Japan

KEYENCE FD-Q50C Clamp-on Flow Switch
Upgrade your industrial fluid monitoring with the KEYENCE FD-Q50C Clamp-on Flow Switch. Designed for easy, non-invasive installation on 1.5″ (40A) and 2″ (50A) pipes, this digital flow sensor features NPN/PNP outputs and a clear digital display for accurate, real-time liquid flow detection without machine downtime.


