Keewell QW3 Blood & Infusion Warmer High-precision control technology by microcomputer and temperature fixed at a set temperature Dry groove-type heating structure with routine transfusion or blood transfusion machine used; no need to have special consumables Snap joint installed in heating groove to prevent it from falling out during installation Three-set independent temperature remoter adds security coefficients of temperature monitoring Multiple protection functions including overheat warning protection, low temperature warning and warning for remoter failure ensures safe usage. Independent superheat warning protection test function is convenient for maintenance Appropriate liquid line diameter: 3.5-5.0mm Suggested heating flow rate: KVO-16ml per minute