Liquid nitrogen cryogenic cold box product use precautions: 1. Please read the instruction manual and use the caution label before use. 2. When taking material from the box, please wear anti-freeze gloves to prevent frostbite. 3. Ensure that the power supply voltage is stable and AC380V±10% has no large fluctuations. 4, liquid nitrogen cryogenic low temperature box should be used independently a socket, and reliable grounding. 5. Non-professionals are prohibited from opening the electrical control box components. 6. The ambient temperature of the equipment is 5 °C ~ +30 °C ≤ 85% RH. 7. Please clean the condenser filter regularly. 8. Turn on the power switch of the device before use. 9. Turn off the power switch when the liquid nitrogen cryogenic cold box is not used for a long time. 10. When accessing the sample, the door should not be too large, and the access time should be as short as possible. Five hot liquid nitrogen cryogenic cryostats Model: CDW-100, CDW-225, CDW-500, CDW-800, CDW-010 Stainless Steel Grab Bars,Handicap Grab Bars,Barrier-Free Grab Bar,Shower Grab Rails Heshan Zhongxin Sanitary Ware Ind., Co., Ltd , https://www.baolongfaucet.com