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NM-03 Automatic Freezing and Storage Device of Water Triple-point Bottle
NM-03 Automatic Freezing and Storage Device for Water Triple-point Bottle is special measuring equipment successfully developed by our company with advanced automation technology according to the latest demand of the measuring industry. This device has two major functions: firstly, as a special device for water triple-point bottle freezer, it can automatically complete the procedures of cooling, freezing and heat preservation; secondly, it can be used as a high-precision low-temperature thermostatic bath. The equipment can automatically complete the freezing process according to the corresponding temperature curve and give a manual prompt signal; it can also automatically complete the system protection according to the set upper and lower limits of temperature to prevent accidents.
The water triple-point bottle is the only temperature fixed point defined by both the thermodynamic temperature scale and the international temperature scale. The unit of thermodynamic temperature, Kelvin, is defined as 1/273.16 of the thermodynamic temperature of water triple point. It is also the fixed point defined by the international temperature scale (ITS-90) in 1990. Therefore, the water triple-point temperature is the most important, accurate and easy-to-use temperature standard. The water triple point is reproduced by using a water triple-point bottle. The water triple-point bottle contains high-purity water whose isotopic composition is equivalent to seawater. If you have a standard platinum resistance thermometer, you must have a high-quality water triple-point bottle. The purity of water triple-point bottle produced by our company is extremely high and the uncertainty is extremely low. The temperature of 0.01℃ is achieved with an expanded uncertainty of less than 0.0001℃.
No.5, Wuma Street, Shanggao Street, Taishan District, Tai'an City, Shandong Province
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