First, the temperature range required for the test (when buying the test box, many people have a range that is a little larger than the temperature required for the test, and a different temperature range will be reserved later) Second, what is the weight of the test sample, what conditions do you need to put a few layers of high and low temperature test box Third, the size of the studio (standardly speaking, it is better to be 1/3 larger than what you experiment) 4. Whether the controller configuration requires programming instruments or ordinary instruments 5. In terms of testing, you can request testing and measurement at your local or nationally recognized quality testing agency where the producer is located. Six, as for the price of the high and low temperature test chamber, you need to determine it through communication with the manufacturer 7. The upper limit of the high temperature of the high and low temperature test box is generally 150 ℃. If the test temperature is lower than it, it can be replaced. In summary, high and low temperature test chambers are difficult to reach the temperature of high temperature chamber tests in actual production, so high and low temperature test chambers cannot be used as high temperature chambers. Engraving Dice,Handmade Custom Resin Dice,Logo Engraving Board Game Dice,Star Wars Game Dice NINGBO BESCON GAMES AND APPLIANCES CO., LTD , https://www.bescondice.com