TSE Systems TSE Systems used sell these syringe pumps. They don’t list them now. TSE Systems Model Image Manual Drawing Compatible 60 Series 540060 540060-HP Yes 61 Series 540061 Six Syringe Yes 62 Series 540062 Eight Syringe Yes These pumps work perfectly with SyringePumpPro – Try it for yourself. Free TryPre-loved TSE Systems pumps on ebay – Buyer Beware! Buying Used Pumps SyringePumpPro2021-03-27T16:44:27-04:00 About the Author: SyringePumpPro As the author of SyringePumpPro products I have been involved with laboratory pumps for about 10 years now. My career spans electronics, avionics, programming, teaching, research and development laboratory experience, and even television.