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8011952/YWL2/3-0/2016-08| SICK OPERATING INSTRUCTIONS | DUSTHUNTER C200
Subject to change without notice
PRODUCT DESCRIPTION 2
2.2.5 Optional external purge air unit
The MCU control unit with integrated purge air supply cannot be used when the internal
duct pressure is greater than +2 hPa or when using the DHC-R1 reflector/scattered light
receiver for long measuring paths. Use the optional external purge air unit in this case. It
has a powerful blower and can be used for excess pressure in the duct up to 30 hPa. The
scope of delivery includes a purge air hose with 40 mm nominal diameter (length 5 m or 10
m).
Fig. 15: Optional external purge air unit with adapter
A weatherproof cover is available for use outdoors (see “Weatherproof covers”, page 121).
To purge air connection of reflector/scat-
tered light receiver
Purge air hose
Base plate
Adapter 40-25
Air filter
To purge air connection of sender/receiver unit
Blower (standard type 2BH13)
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