FD-V40 Series Air Flow Sensor Instruction Manual

This document is the instruction manual for the Keyence FD-V40 Series separate amplifier type air flow sensors, covering safety precautions, installation, wiring, piping, and operational modes. It provides detailed specifications for detecting air, nitrogen, and argon flow, including mounting instructions for both sensor head and amplifier, as well as configuration for standard, window, and integrated flow quantity detection modes.