16
Operating Instructions MD8 Airport
Operation
8 Operation
8.1 Setting up the Device
The device can be operated in a horizontal or vertical position .
Procedure
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Notice
A blocked air inlet or air outlet can damage the device .
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Ensure sufficient distance between air intake and objects in the immediate
vicinity (for required distance, see Chapter “14 .2 Ambient Conditions at the
Installation Site”, Page 25) .
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Do
not
cover the air let and outlet with any objects .
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To operate horizontally: Stand the device upright on its rubber feet .
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To operate vertically: Stand the device up on the two rigid fins on the backplate .
8.2 Inserting a Filter Holder or Culture Media Plate
8.2.1 Inserting a Filter Holder
Air sampling using the filtration method requires the use of a filter holder and
filter, such as a gelatin membrane filter . Unsuitable filters, and filters from other
manufacturers, may have characteristics that are
not
appropriate for the device,
such as being too dense . This can cause processes to abort .
Requirements
The suitability of the filter holder and filter has been checked (for suitability, see
Chapter “14 .6 Approved Consumables”, Page 27) .
Procedure
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Attach the filter holder adapter to the opening of the air inlet (for suitability of
the adapter, see Chapter “15 .1 Accessories”, Page 28) .
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Gently and without applying pressure, insert the filter holder into the adapter .
If the filter holder is inserted too firmly: It can under some circumstances be
difficult to remove .
