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1) Function: the instrument complies with JB/T 4279.7-2008. Matching with voltage tester, it can be applied to high temperature breakdown voltage, high temperature failure and thermal shock test of enameled wire; Stainless steel inner liner, stainless steel fan blade, stainless steel heating tube; Adopt high reliability intelligent digital temperature controller, with digital setting, digital display, over temperature alarm, heating timing function；

2) Highest test temperature: 300℃;

3) Temperature uniformity: ±2.5℃;

4) Temperature fluctuation: ±0.5℃;

5) Test sample interval: 420 × 360 × 420 (mm);

6) Motor power: 25W;

7) Rotate speed: 1300 r /m;

8) Heating power: 3.3KW;