GENERAL SAFETY INFORMATION
1
5
MS15 - MS40 SERIES
www.krohne.com
06/2020 - 4007717401 - AD ATEX MS15-MS40 R01 en
1.4 Device categories
1.4.1 Ex ia-approved devices
The Ex ia-approved device has the marking that follows:
MS15 series and MS40 series
•
II 1 G Ex ia IIC T6...T1 Ga or II 2 G Ex ia IIC T6...T1 Gb
The Ex ia-approved device is suitable for use in potentially explosive atmospheres of all
flammable substances in Gas Groups IIA, IIB and IIC. It is certified for applications requiring
EPL Ga or EPL Gb. The equipment is also applicable for applications that agree with EPL Gc. It
can be attached to the measuring chamber of a BM26A series bypass level indicator that agrees
with EPL Ga/Gb or EPL Gb, if the temperature limits are obeyed. For more data, refer to
Operating conditions
on page 8.
This equipment can be used in zone 0, zone 1 or zone 2.
1.4.2 Ex db-approved devices
The Ex db-approved device has the markings that follow:
MS15 series
•
II 2 G Ex db IIC T6...T1 Gb
The Ex db-approved device is suitable for use in potentially explosive atmospheres of all
flammable substances in Gas Groups IIA, IIB and IIC. It is certified for applications requiring
EPL Gb. The equipment is also applicable for applications that agree with EPL Gc. It can be
attached to the measuring chamber of a BM26A series bypass level indicator that agrees with
EPL Ga/Gb or EPL Gb, if the temperature limits are obeyed. For more data, refer to
Operating
conditions
on page 8.
This equipment can be used in zone 1 or zone 2.
