Get current pricing for Thermo, Microm HM 550 OP Thermo Scientific Cryomicrotome Microm Hm 550 Op. With Object Cooling And Peltier. 230 V. 50 Hz. 6 A. Digital Display. Max. Pressure: 1900 Kpa. Interf . Product Category: Lab Equipment, Sub Category: Microtomes: