decibar การใช้

• Specifically, an increase of 1 decibar occurs for every 1.019716 m increase in depth.
• Two supplemental unit names, gravet ( 0.001 grave ), and bar ( 1000 grave ), were added to cover the same range as the old units, resulting in the following decimal series of units : milligravet, centigravet, decigravet, gravet, centigrave, decigrave, grave, centibar, decibar, bar.