door status sensor for sale, brand-new and used.

8-Port Remote Ethernet I/O Sensor Controller Switch - Web Control With Scheduler 8-Port Remote Ethernet I/O Sensor Controller Switch - Web Control With Scheduler

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GSM Cold Room Temperature And Refrigerator Monitoring System A secure temperature monitoring and alarm system for product storage facilities. WT-1672E temperature and refrigeration monitoring system will monitor for water leaks, temperature high or low alarm conditions and power outages! When any of the alarm conditions are detected the monitor will text up to 5 phone numbers to alert you to any alarm condition.

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MSA Altair 4X Multi Gas Detector Monitor Kit No Reserve & Free Shipping Auction Starts @ .99 Unit is in Good Working Condition

UP FOR AUCTION IS: Presence Sensor Prevents door operation when an object occupies swing zone Less expensive and easier to maintain than Floor mats Compact and unobtrusive metal enclosure Adjustable Pattern Adjustable reset time delay Activation LED 12 to 24 VAC operation Weather resistant enclosure The Model D14-1 Presence Sensor is a low cost device designed to detect the presence of an object within its pattern. It is an ideal complement to our D7 activation system for swing doors.

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Brand New!! SD200-001 INTELLIGENT MASTER SENSORThe SD200-001 is the master sensor for the HVAC Energy Management System. This sensorfeatures a changeover relay contact output to control the operation of HVAC device according to theoccupancy status of the room.

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Magnetic locks would like to thank you for taking the time to visit our eBay auction. We are a U.S. Based international wholesaler of security equipment specializing in Gate Operators, Access Control Equipment, Parking Systems, Surveillance / CCTV Equipment, Magnetic Locks and Electric Strikes.