VD (E3.1) 03/2020 page 13/173
The chamber does not dispose of any measures of explosion protection.
DANGER
Danger of explosion due to introduction of flammable or explosive substances in
the chamber.
Serious injury or death from burns and / or explosion pressure.
∅ Do NOT introduce any substance into the chamber which is combustible or explosive at
working temperature.
∅ Do NOT introduce any combustible dust or air-solvent mixture in the inner chamber.
∅ Do NOT use the vacuum drying oven for drying or heat treatments leading to release of
combustible vapors able to form an explosive mixture with air.
Any solvent contained in the charging material must not be explosive or inflammable. I.e., irrespective of
the solvent concentration in the steam room, NO explosive mixture with air must form. The drying
temperature must lie below the flash point or below the sublimation point of the charging material.
Familiarize yourself with the physical and chemical properties of the charging material, as well as the
contained moisture constituent and its behavior with the addition of heat energy and changes in pressure.
Familiarize yourself with any potential health risks caused by the charging material, the contained
moisture constituent or by reaction products that may arise during the drying process. Take adequate
measures to exclude such risks prior to putting the chamber into operation.
DANGER
Electrical hazard by water entering the chamber.
Deadly electric shock.
∅ The chamber must NOT become wet during operation, cleaning, or maintenance.
∅ Do NOT install the chamber in damp areas or in puddles.
Set up the chamber in a splash-proof manner.
The chambers were produced in accordance with the relevant VDE regulations and were routinely tested
in accordance to VDE 0411-1 (IEC 61010-1).
During and shortly after operation, the temperature of the inner surfaces almost equals the set-point. The
inner chamber will become hot during operation
CAUTION
Danger of burning when touching the inner surfaces during operation.
Burns.
∅ Do NOT touch the inner surfaces or the charging material during and after operation.
In the case of operation with inert gas, the chamber is supplied with an oxygen-displacing gas (e.g. N
2
).
The gas emerging from the system must therefore be removed from the installation area by means of a
suitable extraction system (see technical ventilation measures in the DGUV guidelines 213-850 on safe
working in laboratories, issued by the employers’ liability insurance association (for Germany).
With use of a vacuum system or a vacuum pump, observe the permitted gas inlet
temperature. Observe the safety instructions of the pump manufacturer.
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