• Temperature range for both positions is -10°C to 100°C. • Has two chilling/heating positions that can be set to the same temperature or two different temperatures. • PID temperature control. • Peltier-based, no CFCs, no compressor. • Has RS-232 I/O port for recording data or for controlling the unit from a computer. • Temperature: readability 1°C, accuracy ±1°C, uniformity 0.5°C • 30-day countdown timer with alarm and user settable auto-off. • Built-in data logger can store 8110 data points in 1 second, 1 minute or 5 minute intervals. • Back-lit two-line alpha-numeric display with 16 characters per line. • Power: 115VAC, 50/60 Hz. • For additional sample blocks see 615-411-28 series. (Blocks must be ordered separately.) • Dimensions: 6.5”W x 20”D x 3.5”H without sample blocks • CSA Approved, 1 year warranty.