-The design of the injection needle fixing bracket allows for vertical fixation of the injection needle, making the injection operation more convenientNo need to manually hold the needle during ventilation

-When inserting needles, fix the depth to avoid damaging the sieve due to human operation

-Equipped with liquid standard bottle and solvent bottle positions

-The product has a small volume and is easy to move

-Can be used for3.5*1/4Preparation of standard samples for inch standard adsorption tubes

-Blow off gas flow rate, easy to adjust, meets different preparation needs

Environmental air detection

indoor air testing

judicial expertise

Consumer product quality testing

Food and beverage, aroma and odor

Air detection inside the car