Compared with single-channel pipettes, multi-channel pipettes simplify all the tasks associated with microtiter plates that often occur in immunology, biochemistry, clinical diagnosis and food analysis. Multi-channel pipettes generally have 8 and 12 heads. The gun body can be rotated at 360°C, and each part can be disassembled and repaired separately. The lower half can be sterilized at 121°C. The dimpled housing ensures a firmer grip for the operator. Can be quickly calibrated.
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First, the "slanted tongue" for a long time with the door frame and the "door stop (or "shackle") piece" collision friction must be damaged, the door frame is easy to be punched, the door stop (or "shackle") will also loosen The lock tongue and the lock body part will be loose and damaged, which will result in poor cooperation and close the door. It is very troublesome to move only by moving the lock. If you increase the intensity to close, it will cause more damage to the "slant tongue", "door stop (or "shackle") piece and the lock body and the door frame, thus greatly reducing the service life of the lock and the door.
Second, the "slanted tongue" is exposed, and some of the "door stop (or "shackle") pieces of the design are also exposed, which is easy to hook up with people or objects, and also affects the appearance.
Third, the "slanted tongue" is easy to be opened by the scorpion or hook, and the privacy and anti-theft performance is not good.
4. The "straight tongue" is ejected and retracted by the rotation of the key, which is time consuming and laborious, and the lock is more difficult to open due to rust and dirt on the key shaft.
5. The lock with the slanted tongue should also consider the opening direction of the door when installing. It is necessary to adjust the lock tongue to bring trouble to the installation. 