Operating regulations for adjustable pipettes
Operating regulations for adjustable pipettes
1. Set the volume value: Turn the adjustment knob of the sampler and turn the knob counterclockwise to increase the setting of the pipetting volume. Turn the knob clockwise to decrease the set pipetting volume. When adjusting the knob for setting the pipetting volume, do not use excessive force, and pay attention to make the value displayed by the pipette not exceed its adjustable range.
2. Pre-wash: When a new tip is installed, the tip should be pre-washed, and the liquid should be sucked in once and drained back to the original container.
3. Aspiration:
[1] Select the appropriate tip to place on the pipette sleeve, twist and press the nozzle slightly so that there is no air gap between it and the sleeve.
[2] Before taking the liquid, the liquid should be equilibrated at room temperature (15 ℃ -25 ℃).
[3] Press the button to the first stop point, hold the sampler vertically, so that the tip is immersed 2 to 3 mm below the liquid surface, then slowly and smoothly release the button, suck in the liquid, wait one second, Then lift the tip away from the liquid surface and stay on the wall for 2-3 seconds to allow the droplets on the outside of the tube tip to slide off.
4. Drain:
[1] Stick the mouth of the tip to the bottom of the inner wall of the container and keep it inclined at 100 ~ 40 °.
[2] Press the button steadily to the first stop point, wait one second and then press the button to the second stop point to drain the remaining liquid.
[3] While holding down the button, lift the sampler and wipe the tip against the container wall.
[4] Release the button.
[5] Press the tip ejector to remove the tip.
5. The sampler nozzle is disposable.
The characteristic is that the brush head is 45 °, the size is similar to the Blush Brush, and the bristles are thicker.
Henan Daxin Cosmetic Products Co., Ltd. is a manufacturer of cosmetic brushes that integrates product development, production and sales. The company mainly produces various types of makeup brushes, makeup brushes set, makeup sponges, makeup powder puffs and other products. We have a professional team, rigorous management, and strive to build a well-known brand of Chinese makeup brushes.
Contour Brush,Flat Contour Brush,Angled Contour Brush,Contour Blending Brush
Henan Daxin Cosmetics Co., Ltd. , https://www.dx-cosmetics.com