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Help CenterDY-HT3000 Ultra-high Temperature Blackbody Radiation Source
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Product Overview
Definition of black body: an object that can absorb all external radiation energy and radiate all its own energy at the same time.
The main technical indicators of black body: emissivity of black body, diameter of black body cavity, temperature uniformity and uncertainty of radiation temperature. Therefore, in order to ensure the product quality of black body, black body is usually designed according to temperature segmentation. Usually what we call black body is artificial black body. The emissivity of artificial black body is close to 1, but not equal to 1.
The main function of black body is to generate standard radiation at a certain temperature. Therefore, it is mainly used to calibrate various radiation thermometers in temperature measurement, such as optical pyrometers, infrared thermometers, infrared thermal imagers, etc.
Application
Black bodies are mainly used in the field of temperature measurement in industry, and the main product is black body furnace. The comparison method is usually used for the calibration and verification of radiation thermometers, that is, through a high-stability radiation source (usually a black body radiation source) and other supporting equipment, the temperature reproduced by the standard device is compared with the temperature reproduced by the tested radiation thermometer to determine whether it is qualified or to give a calibration result.
As a standard radiation source, the standard black body is mainly used to calibrate radiation thermometers, infrared thermometers and radiation temperature sensor detectors. Our company currently has advanced black body technology, a full range of black body products with a wide temperature range. The product is small in size, light in weight, and easy to carry. It is not only suitable for the calibration of radiation thermometers in laboratories of metrology institutions at all levels, but also can be used for on-site calibration.
Product Features
² Accuracy: 0.25% ± 1 °C of reading.
² Optional remote set point control via RS 232/RS485.
² Rigorous manufacturing and testing to meet strict safety and quality standards.
² Traceability certificate of national measurement units can be provided according to user needs.
² Automatic temperature control method is adopted, which is safe and reliable, with fast heating speed and good temperature stability.
² Stability: Accurately adjust the stable temperature value required to set the black body at high temperature.
² Convenient: 1. It can be operated and moved by one person, equipped with industrial universal wheels.
2. Simple power supply requirements and energy saving.
² Safety: There is a protective alarm device on the equipment to ensure the safety of personnel operation.
² Compact: Lightweight and compact, effectively saving installation space.
Technical indicators
Product model |
DY-HT3000D |
Temperature range |
800℃ to 3000℃ |
Temperature resolution |
0.1℃ |
Temperature stability |
±1℃ |
Accuracy |
±0.25% of measured value±1°C |
Opening diameter |
26mm |
Emissivity |
0.995 |
Cooling |
Water cooling |
Heat-up time |
5 minutes (ambient temperature to 2350℃) |
Control mode |
Digital PID control |
Heating element |
Graphite tube with argon purge |
Communication interface |
RS232 serial port (RS485 serial port optional) |
Working environment temperature |
0℃-50℃ |
Working humidity |
0%-90%, non-condensing |
Power requirement |
220VAC (optional 380V AC) 50Hz, 24KW |
Dimensions (length × width × height) |
175cmx57cmx83cm |
Weight |
175 kg |
|
Detection port design
|
The open design is adopted, and there is no need to consider the measurement error introduced by the window. At the same time, it avoids the pollution of the traditional high-temperature blackbody furnace with a window during use, resulting in excessive brightness temperature difference. |
Additional functions
1) Operation mode: intelligent touch screen, the screen has built-in multi-point independent temperature correction function.
2) Temperature control: high-precision PID automatic control, including MH logic intelligent adjustment function, and advanced control algorithm with parameter self-tuning function.
3) The target surface adopts imported high-radiation coating.
4) Cooling method: water cooling of cavity electrode and power transformer shell.
5) Adopting open design, there is no need to consider the measurement error introduced by the window, and at the same time avoid the pollution of traditional high-temperature blackbody furnace with window during use, resulting in excessive brightness temperature difference.
6) Adopting heating tube variable cross-section heat compensation technology, the axial temperature gradient is small and the effective emissivity is high;
10) The high-temperature blackbody furnace adopts low voltage and high current design to ensure the safety of equipment, personnel and laboratory during use;
11) Adopting GT high-temperature heating materials and modular assembly technology, it has a long service life and low maintenance cost.
12) The graphite tube designed by JK can effectively reduce the temperature gradient of the blackbody cavity wall, achieve good conductivity and heat insulation between other graphite parts and electrodes, and ensure the reliable installation of graphite components.
13) The quartz glass tube can seal the protective gas argon introduced into it to ensure that the graphite parts are not oxidized at high temperatures; when the graphite tube expands at high temperature, the elastic adjustment of the spring itself can ensure good conductive contact between the graphite tube and the electrode.
14) Remote setting point programming is achieved through the standard communication interface. The equipment is equipped with a protective device to facilitate the operation of the operator and ensure safety during operation.
15) Language: Chinese or English by default, and the language interface can be copied from anywhere in the world according to the purchaser's requirements.
Typical calibration applications
1) Infrared temperature sensor
2) Infrared thermal imager
3) Spectroradiometer
4) High energy photon generator
5) Thermal flow meter and colorimeter
6) Solar radiation simulation
7) Optical pyrometer
The user site needs to have water, electricity and gas installation requirements
Water |
Softened water; industrial water needs to pay attention to whether the valve body is blocked during daily maintenance; The maximum water pressure requirement does not exceed 90PSI (pressure valve requirement), which is 620.5 kPa Water flow requirement (to ensure cooling effect) 3.8lpm, which is 3.8 liters/minute If the water flow is less than 2.85 liters/minute, the black body furnace will alarm; Generally speaking, the water pressure should be designed in the range of: 40-90PSI, that is, 275-620 kPa; the flow should be no less than 3 liters/minute, 7.6 liters/minute, and the maximum should not exceed 19 liters/minute; China's "Urban Water Supply Engineering Planning Specifications" requires that the 28-meter requirement be met, that is, the water supply pressure is around 40PSI; currently, most customers use circulating refrigeration water tanks to use pure water for cooling. |
Electricity |
Voltage: 220V; max power 24KW; |
Gas |
Argon gas purity is above 99.99%; Gas pressure out of the pressure reducing valve is required to be between 15-20psi (103-138 kPa), and the maximum is not more than 25psi (172 kPa) Flow rate requirement is 227 liters/hour (corresponding to black body furnace argon gas flow meter 8CFH); Safety alarm if it is lower than 114 liters/hour; |
Product Details
If you have any questions,please feel free to contact us!
Tel: +86 186 5382 5886
Wechat:demeicalibrator
Email: sales@dmthermo.com
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