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Proof test interval

Key aspects to consider when selecting an overspeed detection system

According to the API standard 670 for Machinery Protection Systems, an electronic overspeed detection system (ODS) consists of speed sensors, power supplies, output relays, signal processing, and alarm/shutdown/integrity logic. Its function is to continuously measure shaft rotational speed and activate its output relays when an overspeed condition is detected.   API 670 defines multiple requirements […]

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