Notes on maintenance of DA5ND pipette If the BA5ND pipette is not used, the range of the pipette should be adjusted to the maximum scale, so that the spring is in a relaxed state to protect the spring. It is best to clean the pipette regularly, you can use soapy water or 60% isopropyl alcohol, then use distilled water to clean, and dry naturally. Before high temperature disinfection, make sure that the pipette can adapt to high temperature. Calibration can be carried out in a 20-25 degree environment by repeating the method of weighing distilled water several times. When using it, check for liquid leakage. In the method, after absorbing the liquid, hang it vertically and let it stand for a few seconds to see if the liquid level drops. If liquid leaks, the reasons are roughly as follows: 1. Whether the gun head matches; 2. Whether the spring piston is normal; 3. If it is a volatile liquid (as is the case with many organic solvents), it may be a problem of saturated vapor pressure. The liquid can be aspirated several times before pipetting. The selection of BA5ND pipette pipettes should consider the following aspects: 1. High-quality performance 2. Unique volume control system 3. Consistent accuracy and repeatability 4. Reliable and durable 5. Ergonomic design If a pipette can have both variable or fixed volume, it means that a pipette has both a variable range piston and a fixed range piston. This meaning It means that the brand pipette provides users with two functions at the price level of a single pipette. The function of some brand pipettes is not limited to this, not only does each pipette have a fixed Volume piston, and you can also buy fixed pistons of other ranges to install on the pipette, the price is much lower than the price of buying a fixed range pipette. With this method, you You can choose a fixed-volume pipette according to your needs, which is economical and convenient. Accuracy and reproducibility: The accuracy and repeatability of pipettes are important indicators for purchase. This directly relates to whether the actual analysis and testing can be carried out smoothly. The air control principle of the Danish Capp pipette Many brands of pipettes do not pay enough attention to temperature uniformity. The Danish CappAero pipette is the only pipette that uses uniform internal temperature as an important means to ensure pipette accuracy In order to effectively ensure the internal temperature is uniform, the brand also specially designed a patented air compartment handle, the air inside the handle is automatically exchanged with the outside world, this result ensures a more precise It is true that the sample is added, especially in the case of long-term use. Is the combination ability of the BA5ND pipette and pipette tip suitable? The combination ability of the pipette and Tip head is the guarantee of accuracy and reproducibility. Generally speaking, the combination of pipette and Tip adopts the form of direct bayonet. This method is relatively strong, but It takes more effort when replacing the tip. For a long time, it will have an adverse effect on the combination of the pipette and the tip, and it may greatly affect the sampling accuracy. Some brands of pipettes have Double-layer O-ring, this can ensure that the error during sample addition is less than 1% of the set error. O-ring seals make the bonding more precise, thereby reducing inaccurate errors. This pipette everyone When purchasing, you may wish to be a reference, because this pipette can fit more Tip heads.
Tipping Machine Tipping Machine,Tipping Film,Automatic Tipping Machine,Transparent Tipping Film, semi auto tippin machine DongGuan FeiYang Packaging Machinery Equipment Co., Ltd , https://www.feiyang-machinery.com
Tipping machines,
Our Tipping machines is used to tip the Tipping Film on both end of shoelace, or bag handle rope lace. there is fully Automatic Tipping Machine. We have max 1.5meter, 2meter, 2.5meter according to customer demand. We also have semi auto Tipping Machine, which have no length limited, but need one operator to work.
The advantages of the tipping machines,
1, the processing temperature can be adjusted automatically, normally in 50°to 60°.When reaching the set temp, it will be fixed automatically.
2, the main motor has the overload protection function.
3, the machine is equipped with special safety device and the base of the mold is made of high quality casting, so, the mold can be used for a longer life.
4, strong structure and safe operation and good materials and good brand electrical parts, technically and mechanically, the whole machine can be used for at least 20 to 30 years without any problems.
5, the machine has the function of programming protection, under which function the machine parts will not be easily broken because of reverse or wrong power connection. When power cable is wrongly connected, the machine will not run.
6, the machine will stop working automatically when there is no tipping film feeding, under which function the machine idle running will be avoided.
Precautions for maintenance of BA5ND pipette