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Autofill vs Classic - Benchtop & Compact Models

The Astell Benchtop and Compact ranges (33 - 63 Litres) are available in two different versions which have two totally different systems for filling the autoclave with water.

These are as follows:

The 'Classic' Version (e.g. the AMA440 or AMB420-AMB440)

Classic - The 'Classic' version is the simplest type of autoclave in Astell’s range. Water is poured directly into the chamber of the autoclave by the user and the colour touch screen advises when the water is at the correct level.

During the cycle at the freesteaming stage, a small amount of condensate is generated which leaves the autoclave by a flexible hose located at the back of the unit. The flexible hose should then be placed into a drain or a heat resistant condensate collection bottle (available separately as an additional option). At the end of each cycle the user is then prompted by the touch screen display to top up the water level to the correct level before starting another cycle.

The 'Autofill' Version (e.g. the AMA240 or AMB220-AMB240)

The 'Autofill' version of Benchtop and Classic autoclaves uses Astell’s unique recirculation system - meaning that there is no need for the autoclave to be connected to any services other than a standard electric power supply. The autofill version of the Benchtop and Compact range differs from the 'Classic' version as it has an integral reservoir built into the inside of the unit. The user simply has to top up this internal tank via a removable screw lid, and a single fill will last for approximately 15 - 20 cycles. At the start of each cycle the chamber is automatically filled from the reservoir, and following sterilization the autoclave then automatically drains any excess water from the chamber and returns it to the internal tank. This saves the user having to top up the autoclave after every cycle, and also ensures that no provision for condensate collection is necessary.

Following automatic drainage of the chamber, this clever system then also allows users to activate the 'Pulsed Heat Drying system'. Available exclusively on the 33-63 litre Autofill range, this feature allows quick and easy drying of pipette tips, empty glassware and other plastics at the end of the cycle.