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Thermocouple temperature measurement is still the most commonly used kiln temperature measurement method at present (hot blast furnace, sintering furnace, heating furnace, secondary combustion chamber, Krause furnace, etc.). Since the thermocouple works in the high temperature region between 1200℃ and 1300℃ for a long time, the service life of the thermocouple is very short. Usually, it needs to be replaced in about two quarters, with high cost and large maintenance. At the same time, because the top-burning hot blast stove is easy to form eddy current around the thermocouple, it is easy to damage the thermocouple.
The thermocouple works at high temperature (usually 1200℃~ 1300℃) in the furnace for a long time, and the thermocouple junction box also operates at high temperature between 100℃ and 120℃, the vault and air channel of the hot blast stove are special temperature measuring occasions for the infrared pyrometer of the hot blast stove, which should not only solve the problem of high temperature and high pressure, but also adapt to the requirements of the changing open-air environment throughout the year.There are some problems such as short service life, long replacement time and large capital consumption when using thermocouple to measure furnace top temperature.
In order to overcome the above shortcomings, our company developed and produced the hot blast furnace radiation pyrometer, which solves the above problems well to ensure that our infrared temperature measurement system works reliably in the complex environment, and realize the normal operation of the ironmaking blast furnace in the daily temperature measurement and maintenance.
Below are the features of our infrared pyrometer mainly used in blast furnace hot blast stove.
Wavelength1：（0.7～1.08）μm
Wavelength 2：1.08μm
Apply to measuring high temperature objects in heating furnace or hot air furnace.
Standard：0.35m adjustable to infinity，
Near focus distance：0.2m～0.5m
Model
BFS-STRONG-SR-6018（Non-explosion-proof）
Measuring Range
600℃～1800℃
Detector
Si/Si（Laminated silicon）
One-color mode Wavelength
1.08μm
Two-color mode Wavelength
Applications
Distance coefficients
60：1
Focal length
Accuracy
±0.5%T℃（T is measured temperature）
Resolution
0.1℃
Repeat Accuracy
±2℃
One-color mode: Calibration coefficient
0.100～1.000, Adjustable in 0.001 increments
Two-color mode: Calibration coefficient
0.850～1.150, Adjustable in 0.001 increments
Response time
Fasted: 5ms，adjustable in 5ms-99.99s
Display mode
Industrial-grade self-luminous OLED display screen
Aiming method
Visual green spot (default) or eyepiece aiming, alternative
IP Rating
IP65
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Main Product:
Infrared Pyrometer,
Infrared Thermometer,
Accuracy Pyrometer,
2-color Pyrometer ,
Fixed Pyrometer,
Industrial Pyrometer
