'microsoft yahei', helvetica; margin-top: 0px; margin-bottom: 0px; padding: 0px; list-style: none; box-shadow: none; border-radius: 0px; border: 0px; white-space: normal; outline: none; transform: none; transition: none 0s ease 0s; box-sizing: border-box; color: rgb(51, 51, 51); font-size: 14px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);">概述

'microsoft yahei', helvetica; margin-top: 0px; margin-bottom: 0px; padding: 0px; list-style: none; box-shadow: none; border-radius: 0px; border: 0px; white-space: normal; outline: none; transform: none; transition: none 0s ease 0s; box-sizing: border-box; color: rgb(51, 51, 51); font-size: 14px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);">'Source Han Sans CN', 'Hiragino Sans GB', 'microsoft yahei', arial, sans-serif; margin: 0px; padding: 0px; list-style: none; box-shadow: none; border-radius: 0px; border: 0px; outline: none; transform: none; transition: none 0s ease 0s; box-sizing: border-box; font-size: 20px; text-decoration: underline;">热电偶是温度测量仪表中常用的测温元件，它直接测量温度，并把温度信号转换成热电动势信号，通过电气仪表（二次仪表）转换成被测介质的温度。各种热电偶的外形常因需要而极不相同，但是它们的基本结构却大致相同，通常由热电极、绝缘套保护管和接线盒等主要部分组成，通常和显示仪表、记录仪表及电子调节器配套使用。