triangle watch core glass thermometer stick type red water liquid glass thermometer thermometer glass watch core

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triangle watch core glass thermometer stick type red water liquid glass thermometer thermometer glass watch core 中文版

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Ningbo Jinggong Thermometer Firm 13yr.

Main Products:

Operating plastic thermometer. Body thermometer. Alcohol meter. Milk candy thermometer. PVC. Paper globe. Magnifying glass. COMPASS. Complete quality

Contacts:

shixiuliChat

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86-13989433557

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13989433557

Address:

23946 B, 9 Street, 2 F, 52 Gate, International Trade Mart (District 3).

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TE13989433557 史小姐

QQ：3095067229

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温度计，是测温仪器的总称，可以准确的判断和测量温度。利用固体、液体、气体受温度的影响而热胀冷缩等的现象为设计的依据。有煤油温度计、酒精温度计、水银温度计、气体温度计、电阻温度计、温差电偶温度计1、辐射温度计和光测温度计、双金属温度计等等等等多种种类供我们选择，但要注意正确的使用方法，了解测温仪的相关特点，便于更好的使用它

各种温度计工作原理

    1、气体温度计：多用氢气或氦气作测温物质，因为氢气和氦气的液化温度很低，接近于绝对零度，故它的测温范围很广。这种温度计精确度很高，多用于精密测量。　　
   结构是由温包、毛细管和指示表三部分组成。压力式温度计的优点是：结构简单，机械强度高，不怕震动。价格低廉，不需要外部能源。缺点是：测温范围有限制，一般在-80~400℃；热损失大响应时间较慢。　　
   8·水银温度计：水银温度计是膨胀式温度计的一种，　水银的凝固点是:-38.87℃,沸点是:356.7℃,用来测量0--150℃或500℃以内范围的温度，它只能作为就地监督的仪表。用它来测量温度，不仅比较简单直观，而且还可以避免外部远传温度计的误差

Update time：20230804153422