Pipettors AxyPet-16 series pipettors. 16-channel pipetttor for 384-well formats. Specifically designed for use with Axygen”s racked T-384 and T-1536 series Microvolume tips. AP16 AxyPet-16 series pipettors. 16-channel pipetttor for 384-well formats. Specifically designed for use with Axygen"s racked T-384 and T-1536 series Microvolume tips.