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Process circulators

20th April 2015


The PRESTO A45 and A45t expand JULABO's portfolio of the completely newly developed PRESTO family.

Thanks to highly efficient technology and powerful components, the process circulators are suited for particularly demanding temperature controls tasks in laboratories and industrial plants; for example for the temperature control of reactors, material stress tests or temperature simulations.

The units cover a working temperature range from -45˚C to +250°C and provide up to 3.4kW cooling capacity. They are robust and reliable even at ambient temperatures of up to +40 C. The heating capacity of the A45 is 6kW and double for the A45t at 12 kW. This permits these two highly dynamic temperature control systems to compensate exothermic and endothermic reactions extremely fast.

The units are equipped with powerful, maintenance-free pumps delivering up to 3.2bar pressure and a flow rate of up to 80l/min. This guarantees high flow rates and constant pressure.

The pump dynamically compensates for changes of the bath fluid's viscosity. The pump performance can be controlled either in four stages or via a preset pressure value.

As typical for the new PRESTO, the A45 and A45t are operated easily and interactively via an integrated 5.7-in industrial colour touch screen. For the user this means: a clear display of values and diagrams, all information at a glance, explicit warning and help text which are easy to understand.

As with all units of the PRESTO family, the A45 and A45t are constructed to save space; the sides have no unwanted vents or connections. Thus the foot print is reduced to a minimum. This permits placing the PRESTO close to other units or integrating them in a process plant.

Extensive interfaces allow for flexible application, e. control and regulation via USB interface, data logging via USB or SD card, and integration into bus solution (eg, Profibus) remote control via Ethernet networks or wireless control with the WirelessTEMP solutions by JULABO.







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