* External novel design, LED screen display, simple operation.
* Isothermal black body cavity, only one cavity, the cavity radiation is evenly distributed with the spectrum, the cavity emittance above 0.99.
* Automatic temperature control method, safe and reliable, fast heating speed and good temperature stability.
* Easy operation, small volume and light weight, easy to carry, not only suitable for calibration in the laboratory, but also for calibration work on site.
* Use double-row numbers to display the measurement value and set value parameters setting and other new technologies, high precision and high, multifunctional, and strong anti-interference ability.