Presto Models W50 and W50t can handle temperature ranges of -58 to 482°F (-50 to 250°C). Intended for demanding temperature applications such as reactors, mini-plants, pilot plants, material-testing stands, microreactors, and material and component tests, the temperature control systems are water cooled. Model W50 provides a heating capacity of 6 kW, and Model W50t provides 12 kW heating capacity. Both instruments have a cooling capacity of up to 7.5 kW. They are suited for compensating exothermic and endothermic reactions.