Equipment designed for Research Laboratories Inner Chamber of S. Steel Outer GI Powder Coat finish or S. Steel Extremely efficient Insulation; sufficiently thick to minimize heat loss. Chest type unit available in Horizontal / Vertical Version. Inner Acrylic door to avoid temperature loss. Temperature Range : a) Deep Freezer - 200C / -350C b) Ultra Low Freezer ( with Cascade Refrigeration System ) Temperature Control : a) Thermostat / Digital Controller. b) mP (Micro) Digital Temperature Controller cum indicator. Instructions : To be stored in A.C. Rooms & Use of AVS / Servo Controlled Voltage Stabilizer is strongly recommended.