Specifications Reference Wells: 6 wells, 4.0 mm ( 5 ⁄32") ID, 95.25 mm (33 ⁄4") deep; wells are thermally and electrically grounded to each other; accepts 3 mm (1 ⁄8") OD probes Reference Temperature: 0°C (32°F) Accuracy: ±0.1°C (±0.18) Stability: ±0.03°C (±0.07) for constant ambient Environmental Ambient: 2 to 32°C (35 to 90°F) Power: 115/230 Vac, 50 Hz, 104 W Stabilization Time: 2 hours after initial power up Dimensions: 203 H x 419 W x 305 mm