Reed switch magnetic sensor - MK21P, MK21M Series - StandexMeder Electronics GmbH - for high-temperature
Magnetic Sensors and Reed Switches - Littelfuse
Magnetic Reed Switch (The "Original" Hall Effect Sensor)(4K) - YouTube
CS1-G Magnetic Air Pneumatic Cylinder Magnetic Reed Switch Sensor DC AC 5V- 240V | eBay
Buy Wholesale China Air Pneumatic Cylinder Cs1-j Magnetic Reed Switch Sensor & Sensor Magnetic Switch at USD 3 | Global Sources
How reed switches work (magnetically operated switches)
Amazon.com: 10Sets MC 38 Magnetic Reed Switch NC Mount Wired Door Window Sensor Recessed Alarm Security System Normally Closed, White : Tools & Home Improvement
Baomain 1.5m Wired Cable CS1- S Magnetic Reed Switch Sensor DC10-30V – BAOMAIN
Reed Switches vs. Magnetoresistive Sensors (GMR) - AUTOMATION INSIGHTS
Reed Switch - Magnetic Field Sensor (Pack of 5) - RobotShop