Portable Cooling & Heating Dry Bath The portable Cooling & Heating Dry Bath is one of the smallest cooling & heating unit. FEATURES Multiple interchangeable aluminum alloy sample blocks for various types of test tubes; Custom blocks available; light weigh and compact; Digital time and temperature control and display. SPECIFICATION Temperature Setting Range -9 °C-110 °C Temperature Control Range -5 °C-100 °C Time Setting Range 1 min to 99 hour 59 min or ∝ Temperature Control Accuracy ≤ ± 0.5°C Temperature Uniformity of Block ≤ ± 1°C Heating Rate ≤35min (from 25°C. to 100°C) Cooling Rate ≤20min (from 20°C to 4°C) Standard Mixing Block 36 x 0.2ml + 15 x 0.5ml + 8 x 1.5ml Standard Block 96 x 0.2ml; 35 x 0.5ml; 24 x 1.5ml; 24 x 2.0 ml Dimension (L x W x H) 7.1 x 5.5 x 5.5 in (18 x 14 x 14 cm) Net Weight 4.4 lb (2 kg) Power Supply Range DC12v ± 1.5v, 60w (with power adapter)