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Home > Products & Suppliers > International Trade Mart (District 3)> 2 F > Office & Study Stationery> Ningbo Jinggong Thermometer Firm 中文

Triangle Watch Core Glass Thermometer Rod Type Red Water Liquid Glass Thermometer Thermometer Glass Watch Core

  • EXW Price: Min. order:
    CN¥ 0.3
    ≥1000/piece
    CN¥ 0.25
    ≥5000/piece
    CN¥ 0.24
    ≥100000/piece
  • 1000 piece
  • Weight 0.08 kg/piece
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    Mixed Batch CN¥ 0.0 60000 piece available
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Ningbo Jinggong Thermometer Firm 14yr.

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TEL:13989433557 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:20240729151423


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