The OMRON K3HB-CNB-ABCD4-AC/DC24 is a versatile digital panel meter designed for high-speed up/down pulse measurement, ideal for industrial automation applications. Featuring a negative LCD with backlit LED for clear visibility, this device supports a 5-digit display and switches display colors for easy visual confirmation of judgment results. As part of the K3HB series, it functions as a counting pulse indicator and NPN up/down counter, compatible with 24VAC/DC power supplies. Perfect for applications requiring precise pulse counting and rate measurement, this panel meter enhances operational efficiency in automated systems.