The Station Time Grade Time Stop Time and Relay Time Testing Device (SGSRTD) is a portable device that allows one to test whether various railroad-based components and elements, circuits, controls, relays, and systems are operating optimally or pursuant to manufacturers' specifications. SGSRTD comprises a multitude of components, including a power switch, electronic programmable timers, connectors, shunt switch, DC relays, AC relay, and leads. When coupled with a limit switch, an SGSRTD system is formed.
Station time, grade time, stop time, and relay time testing device
2025-05-20
Patent
Electronic Resource
English
Station Time, Grade Time, Stop Time, and Relay Time Testing Device
European Patent Office | 2022
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