
18
8026957/AE00/V1-0/2021-08| SICK
O P E R A T I N G I N S T R U C T I O N S | DUSTHUNTER SB30
Subject to change without notice
2
PRODUCT DESCRIPTION
2.2.3
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. 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. 8: Optional external purge air unit
A weather hood is available for use outdoors (
2.2.4
Voltage and purge air supply
2.2.5
Installation accessories
Separate parts of the measuring system (order separately) are:
●
Purge air hose, nominal diameter 40 mm, for purge air supply to the sender/receiver
unit via the MCU-P control unit.
●
Connection line from the MCU to the sender/receiver unit.
Weather hood
A weather hood is available when using the sender/receiver unit outdoors (
).
Air filter
Cover cap with opening (part of the purge air
reduction)
Blower (standard type 2BH13)
Purge air hose
Base plate
To purge air connection of sender/receiver unit
Internal duct
pressure
[hPa ]
Connection and supply components
Purge air
Voltage
-50 ... +2
MCU-P + purge air hose DN40
-50... +30
Optional external purge air unit
MCU-N
We recommend using the optional external purge air unit when the sender/receiver unit
is more than 10 m away from the MCU control unit.