計時器





Disambig gray.svg  本文介紹的是測量經過時間的儀器或人員。關於會在指定時間發出訊號的設備，請見「定時器」。







秒錶（模擬）




秒錶（實物）




電子秒錶


計時器，又稱秒錶、停錶（英语：Stopwatch），是測量時間通過的儀器或人員，在一般的情況下，後者通常利用時鐘或碼錶來協助。此外，像是運動競賽的事件中，守時器記錄時間、經歷的時間、或剩餘的時間。



相關條目



  • 原子鐘

  • 計時碼錶

  • 全自動時計

  • 會議角色

  • 裁判

  • 碼錶

  • 時間旅行



外部連結




  • 关于建造圆形投影观测站的论文 是手稿，阿拉伯文，从1473，约报时。

  • NIST: A Walk Through Timekeeping





规范控制


  • AAT: 300203505

  • GND: 4527696-1

  • NARA: 10675222




























































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