KROHNE OPTIWAVE 6300 IECEx - Manual (Page 8)

2
INSTALLATION
8
OPTIWAVE 6300 C
www.krohne.com 10/2010 - 4001046701 - AD IECEX OPTIWAVE6300 R01 en
2.1.3 Special conditions
2.1.4 Purging system
Devices that have the horn antenna option also have a purging system.
Figure 2-2: Risk of ESD
1 Sun cover
2 Drop antenna
3 Flange plate protection (option for the Drop antenna)
WARNING!
Aluminium housing: Possible source of ignition in a potentially explosive atmosphere. The
housing is made of either aluminium alloy or stainless steel. If the device has an aluminium
alloy housing, make sure that iron/steel objects do not hit or rub against the device.
Figure 2-3: Purging system
1 ¼ NPTF purging connection
INFORMATION!
If delivered with the device, the purging connection is plugged with a
¼ NPTF screw and engaged
on a minimum of 3 ½ threads.