Economic Dispenser JBD5-25ml: Economic dispensers are widely used in daily analytical work in laboratories. It has a design, excellent materials, reliable production, and the trust of users. This type of product is widely sold adjustable liquid dispenser. Application: Petrochemical, dyestuff, , environmental protection and other industries. Safety: 1. 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 when the liquid is pressed. Please wear protective glasses. 2. 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 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 Adapt: Come with GL45 adapter, can match reagent bottle with screw GL45 Precautions:Hydrofluoric acid and strong bases are . Color:Grey Material:plastic Package Contents: 2 x Lab Bottle Top Dispenser(With GL45 Adapter) 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.