GENERAL SAFETY INFORMATION
1
7
OPTIWAVE X500
www.krohne.com
06/2017 - 4005809801 - AD ATEX OPTIWAVE x500 R01 en
1.4.3 Ex ic devices
The Ex ic-approved device has the markings that follow for Gas Groups:
OPTIWAVE 3500, OPTIWAVE 6500 and OPTIWAVE 7500
All versions
•
II 3 G Ex ic IIC T6...T3 Gc
The Ex ic-approved device is suitable for use in potentially explosive atmospheres of all
flammable substances in Gas Groups IIA, IIB and IIC. It is designed for applications requiring
Category 3 G and EPL Gc equipment, when fitted with the appropriate options. It agrees with
temperature classes T6 thru T1 (Gas Groups) if the temperature limits are obeyed. For more
data, refer to
Ambient and process connection temperatures
on page 12.
Category 3 G equipment is used in zone 2.
The Ex ic-approved device has the markings that follow for Dust Groups:
OPTIWAVE 3500
All versions
•
II 3 D Ex ic IIIC T85
°
C...T150
°
C Dc
OPTIWAVE 6500 and OPTIWAVE 7500
Without distance piece
•
II 3 D Ex ic IIIC T85
°
C...T150
°
C Dc
OPTIWAVE 6500 and OPTIWAVE 7500
With distance piece
•
II 3 D Ex ic IIIC T85
°
C...T200
°
C Dc
The Ex ic-approved device is suitable for use in potentially explosive atmospheres of all
flammable substances in Dust Groups IIIA, IIIB and IIIC. It is certified for applications requiring
Category 3 D and EPL Dc equipment, when fitted with the appropriate options.
Category 3 D equipment is used in zone 22.
