DAIHAN-brand® -30℃+200℃ Precise Refrigerated Heating External Circulators, “MaXircuTM WHR”, Lift 38m, ±0.2℃ Ideal for 5~100 Lit Reactors, Heating Line, etc., with Pre-Cooling Sys, Can be used with External Direct Contact K-type Temp. Probe(Optional) with High Quality Magnetic Pump, Flow 20-/40-/60-Lit/min, 정밀 고온/냉동 겸용 외부 써큐레타