The Omron K3MA-F 100-240VAC is a panel-mount tachometer from the K3MA-F series, designed to measure rotational speed or count events up to 5 kHz. It accepts both no-voltage and voltage input types, making it flexible for various sensor signals — magnetic pickups, proximity switches, or encoder pulses. The 5 kHz count rate means it can track fast-moving machinery — think spindle speeds on a CNC lathe or line speed on a high-rate conveyor — without missing pulses. The 100-240 VAC supply range covers standard line voltages globally, so no separate power supply module is needed in the panel.
Mounts into a rectangular panel cutout of 92.00 mm x 45.00 mm — a standard 1/8 DIN footprint. The IP66 rating means the front face and housing are dust-tight and protected against hose-directed water, so it can live on the door of a washdown-rated enclosure in food, beverage, or chemical processing lines. Termination is via screw terminals, which simplifies field wiring without special tools. The LCD display shows 5 characters per row with dual-color backlight (14.20 mm character height), readable from a few meters away on a factory floor.