Threshold alarms trigger earlywarning signals that give operators the chance to minimize stress on equipment or prevent it from shutting down or failing.
阈值警报器及时发出报警信号，让油公司最大限度地减小设备承担的压力，避免设备停机或故障。
2
The Electronic vibration Switch (EVS-2) protects against equipment failure by monitoring velocity-based vibration levels and providing an earlywarning or shutdown when abnormal vibration is detected.