High temperature / Burning of the skin
Hot combustion tube
• When the analyzer (HTF, resistance furnace) is switched on again after
switching off, the adjusted set point is driven immediately. Please
check this!
Work breaks, e.g. during lunch breaks, the mains switch remains on position 2. During longer
interruptions, e.g. after finishing work for the day, the mains switch is set to position 1 (standby).
The analyzer's thermostatic control is then working and no long warm-up time is needed, when
re-starting the analyzer. The energy consumption and wear are negligible on standby.
The mains switch is set to pos.2 or pos.3 for about 10-15 minutes before starting the first
analysis. Air and any moisture which has entered the analyzer are purged by the oxygen flow.
The minor influence which the oxygen flow has on the temperature of the infrared cell is
compensated by the thermostatic control. The analyzer is designed for long term use, so that no
damage results.
The induction furnace should always be kept closed during work breaks, so that no moisture
can enter. Only the resistance furnace remains open when the analyzer is completely switched
off. The mains switch is only set to zero for safety reasons, the crucible lift is then at the bottom.
5.4 Crucibles preheating
Eye injury
Hot combustion tube.
Eye damage.
• Avoid looking directly into the hot combustion tube. For eye protection
use the supplied protective glass.
Scalding/burns
Hot furnace / combustion tube / analyzer parts
Parts of the analyzer can be very hot.
• Use heat protecting gloves.
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