PolyScience introduces two products for controlling temperature during respirometry applications. Designed for use with anaerobic respirometers, the Model 210 Heated Circulator controls temperature from ambient to +70°C (158°F) with ±0.2°C (±0.4°F) stability. It has a 750-watt heater and a single-speed centrifugal pump that delivers up to 11.4 liters/minute (3.0 gallons/minute) at 0.13 bar (2.0 PSI). The Model 5206M Chiller is recommended for use with aerobic respirometers. This ¼ HP chiller controls temperatures from -10° to 70°C (14° to 158°F) with ±0.1°C (±0.2°F) stability and a magnetic drive centrifugal pump that delivers up to 15.5 LPM (4.1 GPM) at 0.69 bar (10 PSI).

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