Lab Bottle Top Liquid Dispenser 5-25ml Adjustable Semi Automatic with Sleeve for Chemistry Adjustable liquid dispensers are widely used in daily analytical work in laboratories. It has a unique design, excellent materials, reliable production, and the trust of users. This type of product is widely sold adjustable liquid dispenser. Applicable: Scientific research institutes, inspection departments, accurate measurement of liquids, suitable for various solutions, acid and , reagents, biochemical samples. The thread pressing device of the liquid outlet pipe should be screwed into the body of the liquid filling device tightly to prevent the corroded sample from being ejected from the space when the liquid is pressed. Please wear protective glasses. When using samples that are harmful to the eyes, please wear protective glasses to prevent . Usage: 1. Fix the quantitative knob on the required scale, lift it up, and press it down slowly. 2. The liquid feeder should be used at normal temperature, and the freshly prepared acid-base liquid should be cooled to normal temperature for use. 3. This liquid dispenser can be directly installed on almost all 500mL screw-top (35mm diameter) reagent bottles. A GL45 adapter can be used to connect 1000mL square reagent bottles. 4. Every time you use it, the air in the suction pipe and the liquid outlet pipe should be drained to accurate measurement. Capacity:5-25 mL Accuracy: 0.7 mL Minimum graduation:1 mL Adaptation:500ml/1000ml bottle (Screw mouth about 35mm)( Without Bottle) Application:Petrochemical, dyestuff, , environmental protection and other industries. Precautions:Hydrofluoric acid and strong bases are . Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, And take a consideration before place the order if you have request for color or appearance. Colour:As Shown Material:Plastic Package Contents: 1 * Adjustable dosing device Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.