Control Panel And Description Of Symbols - Tecno-gaz Astra 3S Mode D'emploi

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This ultrasonic cleaning unit only operates with water or detergents for ultrasonic treatments recommended by the

manufacturer.

Only pour the quantity of liquid required for washing. Do not use acid or highly alkaline solutions such as sodium

hypochlorite as these substances, coming directly into contact with the steel tank, cause a series of microscopic

holes with irreparable and above all hazardous consequences for the operation of your unit. All acid substances or

those alkaline substances which may release corrosive compounds such as chloride or other chemical compounds,

or disinfecting substances with a glutaraldehyde base, used together with strong ultrasonic cavitation, cause highly

accelerated corrosion even in stainless steel.

If you must necessarily use substances which could damage the steel tank, use glass or plastic beakers. Remember

that hydrofluoric acid breaks glass beakers and that its use is highly dangerous for your health.

Remember that any acid particles, micronised by intense ultrasonic cavitation, are dispersed in the work area, cor-

roding your equipment and damaging your health too.

Do not use substances such as petrol, benzol or benzene, or other harmful or explosive or flammable solvents. Only

use solutions suitable for the type of work to be performed.

To prevent damage to the ultrasonic cleaner, change the solution regularly, don't operate the cleaner dry, don't place

parts or containers directly on the bottom of the cleaning tank; use a tray or wire to suspend items. Failure to com-

ply may cause transducers damage and will void your warranty.

Don't allow the solution to drop more than 1 cm below the operating level line with heat or ultrasonics on. Failure to

comply may cause transducers and/or heater damage and will void your warranty.

Important instructions for use of the ultrasonic cleaning unit

Before switching on the unit make sure the steel tank has been filled sufficiently with water or liquid detergent and, if

the version of your unit is equipped with a liquids drain device, check that the tap is fully turned off. In this way acciden-

tal leakage of liquid substances will be avoided.

Always check the level of liquid so that it does not drop below 4 centimetres from the upper edge of the tank. If this

should happen, the heating element and ultrasonic transducers and the electronic circuit could suffer serious damage.

Do not place your hands in the tank during operation.

Aggressive liquids which could damage the tank should be placed in a special beaker which is then placed in the tank

containing water which transmits the ultrasonic waves to the beaker and hence to the solution it contains. Remember not

to rest the glass beaker on the bottom of the tank; a special perforated support for these glass containers is available.

Only use this unit for the professional use foreseen in this manual and for the purpose for which it has been designed.

This unit has been designed for washing and detaching surplus materials from instruments, prostheses, drills, probes,

forceps, metal objects and metal parts in general, objects and test-tubes in glass, crystals, stones and archaeological

objects, rings, spectacles, parts which are difficult to reach by hand etc.

The ASTRA cleaning units also provide ideal solutions for emulsion, accelerating chemical reactions, mixing solutions,

degassing liquids, decontamination and for dissolving sediments.

Chapter 2