1:The ergonomic handle hook design can be easily hung on the palm
2:The nozzle pops out that girl is light-weight design 3:Clear display degree window 4:The nozzle ejector is detachable and can be sterilized by high temperature and high pressure for easy cleaning and maintenance
What could be the cause if the volume adjustment knob on the pipette won't turn? There are two possible reasons: 1. The pipette has been adjusted beyond its maximum or minimum volume range, causing the technical wheel to jam. 2. Liquid has been aspirated into the pipette, causing it to stick to internal components.