科比变频器14f5c1d-登录云顶集团
科比变频器14f5c1d-380a
根据使用目的的区别,已设计制造出多种温度计。其设计的依据有:利用固体、液体、气体受温度的影响而热胀冷缩的现象;在定容条件下,气体(或蒸气)的压强因区别温度而变换;热电效应的作用;电阻随温度的变换而变换;热辐射的影响等。
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,接近于零度,故它的测温范围很广。这种温度计度很高,多用于精密测量。
mm-efs71m4
mm-efs71m4z
mm-efs71m4y
mm-efs71m4yz
mm-efs71m
mm-efs71mz
mm-efs71my
mm-efs71myz
mm-efs151m4
mm-efs151m4z
mm-efs151m4y
mm-efs151m4yz
mm-efs151m
mm-efs151mz
mm-efs151my
mm-efs151myz
mm-efs221m4
mm-efs221m4z
mm-efs221m4y
mm-efs221m4yz
mm-efs221m
mm-efs221mz
mm-efs221my
mm-efs221myz
mm-efs371m4
mm-efs371m4z
mm-efs371m4y
mm-efs371m4yz
mm-efs371m
mm-efs371mz
mm-efs371my
mm-efs371myz
mm-efs551m4
mm-efs551m4z
mm-efs551m4y
mm-efs551m4yz
mm-efs551m
mm-efs551mz
mm-efs551my
mm-efs551myz
mm-efs751m4
mm-efs751m4z
mm-efs751m4y
mm-efs751m4yz
mm-efs751m
mm-efs751mz
mm-efs751my
mm-efs751myz
mm-efs11k1m4
mm-efs11k1m4z
mm-efs11k1m4y
mm-efs11k1m4yz
mm-efs11k1m
mm-efs11k1mz
mm-efs11k1my
mm-efs11k1myz
mm-efs15k1m4
mm-efs15k1m4z
mm-efs15k1m4y
mm-efs15k1m4yz
mm-efs15k1m
mm-efs15k1mz
mm-efs15k1my
mm-efs15k1myz
mm-efs18k1m4
mm-efs18k1m4z
mm-efs18k1m4y
mm-efs18k1m4yz
mm-efs18k1m
mm-efs18k1mz
mm-efs18k1my
mm-efs18k1myz
mm-efs22k1m4
mm-efs22k1m4z
mm-efs22k1m4y
mm-efs22k1m4yz
mm-efs22k1m
mm-efs22k1mz
mm-efs22k1my
mm-efs22k1myz
mm-efs30k1m4
mm-efs30k1m4z
mm-efs30k1m4y
mm-efs30k1m4yz
mm-efs30k1m
mm-efs30k1mz
mm-efs30k1my
mm-efs30k1myz
mm-efs37k1m4
mm-efs37k1m4z
mm-efs37k1m4y
mm-efs37k1m4yz
mm-efs37k1m
mm-efs37k1mz
mm-efs37k1my
mm-efs37k1myz
mm-efs45k1m4
mm-efs45k1m4z
mm-efs45k1m4y
mm-efs45k1m4yz
mm-efs45k1m
mm-efs45k1mz
mm-efs45k1my
mm-efs45k1myz
mm-efs55k1m4
mm-efs55k1m4z
mm-efs55k1m4y
mm-efs55k1m4yz
mm-efs55k1m
mm-efs55k1mz
mm-efs55k1my
mm-efs55k1myz
mm-efs75k1m4
mm-efs75k1m4z
mm-efs75k1m4y
mm-efs75k1m4yz
mm-efs75k1m
mm-efs75k1mz
mm-efs75k1my
mm-efs75k1myz
mm-efs110k1m4
mm-efs110k1m4z
mm-efs110k1m4y
mm-efs110k1m4yz
mm-efs110k1m
mm-efs110k1mz
mm-efs110k1my
mm-efs110k1myz
mm-efs90k1m4
mm-efs90k1m4z
mm-efs90k1m4y
mm-efs90k1m4yz
mm-efs90k1m
mm-efs90k1mz
mm-efs90k1my
mm-efs90k1myz
mm-efs132k1m4
mm-efs132k1m4z
mm-efs132k1m4y
mm-efs132k1m4yz
mm-efs132k1m
mm-efs132k1mz
mm-efs132k1my
mm-efs132k1myz
mm-efs160k1m4
mm-efs160k1m4z
mm-efs160k1m4y
mm-efs160k1m4yz
mm-efs160k1m
mm-efs160k1mz
mm-efs160k1my
mm-efs160k1myz