Stereo microscope DESCRIPTION
Stemi 305 Technical data ZEISS
01/2015 435063-7044-001 19
Ambient conditions
Storage (in packaging)
Admissible ambient temperature ...................................................................................... +10 to +40 °C
Admissible relative humidity ........................................................ max. 75 % at +35 °C (non-condensing)
Transport (in packaging)
Admissible ambient temperature ....................................................................................... -40 to +70 °C
Operation
Admissible ambient temperature ...................................................................................... +10 to +40 °C
Admissible relative humidity .................................................................................................. max. 75 %
Atmospheric pressure .............................................................................................800 hPa to 1060 hPa
Pollution degree ................................................................................................................................... 2
Field of application ..............................................................................................................closed rooms
Height of field of application ............................................................................................... max. 2000 m
Operating data – desktop power units, microscope and controller K LED
Safety Class .......................................................................................................................................... II
Type of enclosure ........................................................................................................................... IP 20
Electrical safety .............................................................................. acc. to DIN EN 61010-1 (IEC 61010-1)
taking CSA and UL regulations into account
Pollution degree ................................................................................................................................... 2
Overvoltage category ............................................................................................................................ 2
Line voltage ............................................................................................................. 100 to 240 V ±10 %
Due to the fact that the instrument features a multi-voltage power supply unit, change-over of the device
voltage not required!
Line frequency .................................................................................................................. 50 Hz − 60 Hz
Power consumption: Desktop power unit with connected microscope ..................................... max. 40 VA
Output desktop power unit for microscope
and for Controller K LED ............................................................................................ 12 V DC, max. 2 A
Input desktop power unit for microscope
and for Controller K LED .................................................................... 100-240 V, 50-60 Hz, max. 0.55 A
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