Designed and engineered to optimize process protection, the PolyScience 5000 and 6000 Series Recirculating Chillers from the PolyScience Division of Preston Industries, Inc., feature adjustable temperature, pressure and flow rate alarms which alert the user to any problems such as blocked cooling lines or overload conditions. Compact, portable and extremely robust, PolyScience 5000 and 6000 Series Chillers also offer extremely user-friendly operation with digital readouts, one-touch temperature control and ambient temperature tracking capability.