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NM-GTL Series Dry Type Temperature Calibration Furnace
NM-GTL Series Dry Type Temperature Calibration Furnace is portable, with a high stability temperature controller. The soaking block is made of alloy material with good thermal conductivity to ensure that the insertion depth, horizontal temperature field, vertical temperature field and other technical aspects meet the requirements. It can be easily set and accurately generate the required temperature. It features small volume, fast heating and stable temperature control without pollution. It can calibrate the temperature sensor and instrument as a whole, so it is very suitable for use in the industrial field.
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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