3
4. The inner tank is made of stainless steel plate through anti-corrosion treatment and
processing.
5. There is a double-glazed observation window in the middle of the door, which can
observe the heated objects in the working room at any time.
6. The door of the box is inlaid with high temperature resistant rubber strips, which has
good airtightness and prevents heat loss.
7. An exhaust valve is set on the upper side of the working room, and the moisture
released by the heater can be discharged out of the box at any time during the working
process.
8. The temperature in the box is forced to circulate by a fan to ensure that the temperature
uniformity is controlled within ±2.5%.
V.Method summary
In the absence of air, a polished copper sheet was in contact with oil at a test temperature
of 140°C. At the end of the test, check the color change of the copper sheet, and then
evaluate it on the basis of comparison with the table.
VI.Instructions for use of intelligent temperature
controller