Sartorius, LH-723081, Biotrate 20 ml

Biotrate - Premium digital burette for convenient titration
Extremely high chemical resistance
Smooth and light to operate with soft touch operating wheels
Media recirculation system that allows unused media to be recovered from the device and returned to the bottle
360° rotating dispensing head
Universal connector at the back of the unit for drying tubes and filters
Easy to attach aspiration tube with a secure threaded connection
User replaceable valves
Supplied with UV-protected replacement window for light sensitive media protection
Long life CR2032 battery
Easy custom adjustment for various liquids
Wide range of accessories
Autoclavable liquid pathway
Wide range of adapters included to fit most common bottle sizes