Torr

Torr
BesaranTekanan
SimbolTorr
Asal penamaan
Evangelista Torricelli
Definisi1760 atm
Konversi
1 Torr dalam ...... sama dengan ...
   Satuan turunan SI   133,3224 Pa

Torr (simbol: Torr) adalah sebuah satuan tekanan non-SI dengan rasio 760 banding 1 atmosfer standar. Satuan ini dirancang agar hampir setara dengan tekanan cairan yang ditandai dengan milimeter raksa, misalnya tekanan 1 Torr kira-kira setara dengan 1 mmHg. Simbol ini diucapkan sama seperti satuannya, tetapi simbol tersebut dikapitalkan sebagaimana satuan metrik lainnya. Satuan ini dinamai sesuai Evangelista Torricelli, seorang fisikawan dan matematikawan Italia yang menemukan prinsip barometer pada tahun 1644.[1]

Lihat pula

Catatan kaki

  1. ^ Devices similar to the modern barometer, using water instead of mercury, were studied by a number of scientists in the early 1640s (see History of the Barometer). Torricelli’s explanation of the principle of the barometer appears in a letter to Michelangelo Ricci dated June 11, 1644.

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