1. Check the power supply before use, whether the water supply and drainage, gas and other switches and pipelines are normal.

2. Turn on the lighting equipment and check if the light source and the interior of the cabinet are normal.

3. Turn on the exhaust fan, and if the listening operation is normal within about 3 minutes.

4. When checking in the above order, if there is any problem, please suspend the use and notify the maintenance unit to handle it.

5. Before shutting down, the exhaust fan should continue to run for a few minutes to completely eliminate the exhaust gas in the cabinet.

6. After use, wipe the inside and outside of the cabinet clean and close all switches and windows.

7. The laboratory should also be ventilated when not using the fume hood, which is beneficial to the health of the testers.

8. When the fume hood is in use, it will be replenished for 10 minutes every 2 hours (ie, window ventilation). If it is used for more than 5 hours, open the window to avoid negative pressure inside the room.

9. It is forbidden to experiment in the fume hood when the fume hood is not turned on.

10. It is forbidden to put the head into the fume hood during the experiment or to view

11. Prohibit storage or experimental flammable and explosive materials in the fume hood

12. Do not place the mobile patch cord or wires in the fume hood

13. It is forbidden to do the experiment of mixing organic substances prohibited by the state with high-chlorine compounds in the fume hood.

14. It is forbidden to place the tested substance in the fume hood without safety. Once the chemical substance splashes out, the power should be cut off immediately.

15. When moving up and down the window, you should move slowly and gently to prevent the door handle from crushing your hand.

16. During the experiment, it is appropriate to separate the window from the countertop 100-150 mm.

17. The operating area of ​​the fume hood should be kept clear, and avoid stacking items around the fume hood.

18. When the operator does not use the fume hood, the fume hood surface should avoid storing too much test equipment or chemicals, and prohibit long-term stacking.

working principle

A system of water, electricity, gas and ventilation, equipped with multi-function power sockets, to facilitate the trial of other electrical equipment during the experiment. The quick-opening valve is convenient for water during the experiment. The front baffle is a glass door that can be moved up and down, and the top is a low-speed exhaust fan, which can smoothly discharge harmful and odorous gases during the experiment. The bottom of the working face is equipped with a stainless steel sink, which can discharge the disinfectant and experimental residues from a drain tank by washing, keeping the experimental environment safe and reliable.

Shangyu Xingxing Instrument Equipment Co., Ltd. is located in Daoxu Town, Shangyu District, Shaoxing City, Zhejiang Province. It is an enterprise integrating production, product research and development, processing and trade. The company's main products: drying box series, incubator series, laboratory muffle furnace series, distilled water series, as well as clean workbench, air shower, fume hood, biological safety cabinet and other complete purification equipment.

The company has a strong technical research and development team, a strong after-sales guarantee service system, is the linger of the Chinese laboratory complete sets of equipment manufacturers, welcome customers to buy.

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