Arrhenius plots; trapping of kinetic intermediates; protein phosphorescence; internal protein dynamics

The Brr 20 with two optical ports and the Brr 30 with three optical ports provide temperature control and precision magnetic stirring for your sample. This product uses circulating water to cool the Peltier heat exchanger. It is perfectly suitable for everyday use from 0 °C to 110 °C. When cold studies are desired, add additional windows and simply run the temperature down to -55 °C. It will reach this temperature easily without expensive Dewars or refrigerated baths. Make your measurements in nearly any fluorometer or spectrophotometer.