VA Master FAM540
METAL CONE VARIABLE AREA FLOWMETER | OI/FAM540-EN REV. E
21
Change from two to one column
3
Use in potentially explosive atmospheres in accordance with FM and cCSAus
Note
Further information on the Ex-Approval of devices can be found in the type examination certificates or the relevant certificates at
www.abb.com/flow
.
Device overview
The devices are designed for maximum versatility. This is achieved through a combination of several types of protection within each
device. All devices are suitable for use in potentially explosive atmospheres with combustible dust. For detailed installation
instructions and terminal assignments, refer to
Electrical connections
on page 24.
Class 1 Division 1 / Zone 1
Class 1 Division 2 / Zone 2
Standard / No explosion protection
Order code
*
Potential equalization
* Order code ‘Explosion protection and approvals’ (versions 9, 10); refer to
Ordering information in the data sheet
on page 62.
