Forward liquid transfer type
Press the button with your thumb to the first stop point, then slowly release the button back to the origin. Then press the button to the first stop point to drain the liquid. After a short pause, continue to press the button until the second stop point to blow out the remaining liquid. Finally, release the button.
Reverse liquid transfer type
This method is generally used to transfer high viscous liquids, biologically active liquids, easily foaming liquids or very small amounts of liquids. Its principle is to inhale more than the set range of liquids first, and do not blow out residual liquids when transferring liquids. First press the button to the second stop point, slowly release the button to the origin, after suction, lean against the wall of the container and return the excess liquid along the wall of the container. Then press the button to the first stop point to discharge the liquid with a good measurement range, keep the button at the first stop point, remove the gun head with residual liquid, and after it is sucked up, lean against the wall of the container to return the excess liquid to the container.
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