KOFU Reed Switches and Standex-Meder Reed Sensors and Relays are the Engineers Choice for Reed Switch Sensors and Reed Switch Relays Designed for medical sensing, automation motion sensing, security proximity sensing, fluid level sensing, testing, and measuring. KOFU Reed Switches and Standex-Meder Reed Sensors and Relays are reliable, durable, precise, and cost effective in security, automotive, marine, military, automation, and consumer appliance applications.