Precautions for pipette purchase

Buy a good pipette need to pay attention to the following points:

1High-quality performance

2Unique 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 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, but you can also buy fixed pistons of other ranges to install on the pipette. The price of a fixed volume pipette. With this method, you can purchase a fixed-volume pipette according to your needs, which is economical and convenient.

Notes on the selection of pipettes:

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 the accuracy of the pipette. In order to effectively ensure uniform internal temperature, the brand has also specially designed a patented air compartment handle. The air inside the handle is automatically Exchanged with the outside world, this result guarantees a more accurate sample addition, especially in the case of long-term use.

Is the combination of pipette and 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 the Tip head is being replaced. It takes more time, and it will have a bad influence on the combination of the pipette and Tip head for a long time, which may affect the sampling accuracy. Some brand pipettes have double O-rings, which 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. When you buy this kind of pipette, you may wish to make a reference, because this pipette can fit more Tip heads.

Ergonomic design

The handle of the CappAero pipette is designed according to the palm structure and has a hand-held attachment. At the same time, the thrust of the piston is also the lightest of all pipettes on the market.