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NM-HTM70 Portable Black Body Radiation Source
NM-HTM70 Portable Black Body Radiation Source is mainly used for real-time calibration of infrared imaging thermometers and infrared temperature measuring probes and the like to eliminate the error of the infrared temperature measuring system due to the complex environment conditions on site. It effectively improves the measurement accuracy, improves the reliability of the infrared temperature measuring system, and reduces the detection error rate.
NM-BW400 Surface Temperature Calibration Furnace
NM-BW400 Surface Temperature Calibration Furnace is mainly used to calibrate various sizes and types of surface sensors, such as thermistors, thin film sensors, surface resistance thermometers, belt sensors, surface thermocouples, etc. It's really easy to operate the surface temperature calibration furnace. It can automatically calibrate the temperature after the user sets the controller without using a computer. The temperature rise and fall time is fast, and the indoor temperature can be increased from 400℃ in 30min and decreased from 400℃ to 100℃ in 65min.
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℃.
NM-TH300 Wall-mounted Intelligent Temperature and Humidity Recorder
The recorder is independently designed by our company based on the advantages of similar foreign products and the characteristics in our country. It can record the temperature and humidity parameters. The high-precision integrated temperature and humidity digital sensor imported from Switzerland is used to save the sampling data in the recorder memory. The collected and recorded data can be transmitted to the computer for processing, forming a computer temperature and humidity monitoring system. Power to the recorder is supplied by high-energy lithium battery. The power consumption of the whole machine is very small. External power supplies can be used. It is small and easy to carry.
NM-HUMI700 Standard ventilation psychrometer
Standard ventilation psychrometer is designed according to the principle of ventilation psychrometer. It is equipped with two temperature sensors, one for dry bulb temperature measurement and the other for wet bulb temperature measurement. The wet bulb temperature sensor is wrapped with gauze soaked in water. The evaporation amount of the wet bulb surface of the humidity temperature sensor depends on the relative humidity of the atmosphere, and the heat required for evaporation causes a decrease in the temperature of the wet bulb. The relative humidity is calculated by the humidity formula based on the factors, such as dry bulb temperature, wet bulb temperature and atmospheric pressure at that time. The motor drives the fan to ventilate the surface of the dry and wet bulb temperature sensor, so that the surface of the sensor can maintain a substantially constant wind speed. Thus, the humidity measurement will be more stable and accurate.
Michell Optidew Vision Precision Dew-point Hygrometer
The working principle of the precision dew-point hygrometer is based on the proven optical dew point measurement. It has unmatched long-term stability. When the ambient temperature is within -40℃ ~ + 90℃, it has a wide measuring range, equivalent to the relative humidity ＜0.5～100%. The optical dew-point hygrometer displays the measured humidity with high-definition digital display, provides dual current 4-20mA linear output. It is also equipped with serial communication interface, which can realize setting and monitoring from the appropriate computer and PLC, or through the specific data login software of the optical dew-point display hygrometer.
Chilled-mirror Dew-point Hygrometer Made in China
★ Measurement range: -20~+80℃@20℃ (calibration range: 1.92~18.31℃dp@20℃, corresponding to 30%-90%RH)
NM-04 Secondary Instrument Calibration System
NM-04 Secondary Instrument Calibration System is mainly composed of computer, printer, thermal meter calibrator (signal source). The system is equipped with an optional signal source with communication function to realize computer operation of signal source adjustment. The system functions and technical indicators fully meet the requirements of the current national regulations.
No.5, Wuma Street, Shanggao Street, Taishan District, Tai'an City, Shandong Province
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