Precision peristaltic pump BT100M DG-1, silicone and tygon tubing RS232 communication 3-digit LED ... 290 per channelDG-N(6 rollers)0.5×0.8, 1×1,2×1, 2.4×0.80.06~30 per channelDG-N ... )0.05~20 per channelSN2524#0.17~226 Features1. Dual CPU control, seperating the drive and control, quick operation speed, ... transfer.2. Acceptable pump heads for YZ1515x, YZ2515x, SN25, DG-1, DG-2, DG-4, DG-6, DG-8, DG-12 ...