A-16
Appendix A Scanner
®
2000 microEFM
Seal wire with
lead seal
S-shaped bracket
with Allen head screw
Factory-applied
tag
Figure A.20—Measurement Canada seal kit components
Seal wire properly
installed with lead
seal crimped
Figure A.21—Scanner 2000 with seal kit installed
Terminal Housing
Cameron’s Model TH4 terminal housing (Figure A.22 and Figure A.23, page A-17) expands the number of I/O
and instrument connections that can be added to a Scanner 2000. It features a six-position terminal strip and
four 3/4-in. entries. No conduit seal is required between the Scanner 2000 enclosure and the terminal housing.
The terminal housing is approved by CSA for use with the Scanner 2000. When installed with a Scanner
2000, the assembly is rated for Class I, Div. 1, Groups C and D and Class I, Div. 2, Groups A, B, C, and D. If
the Scanner is supplied without the terminal housing, it is approved for installation in Group B areas as well
as Group C and D areas.
The user can wire the Scanner 2000 main board to the terminal housing terminal strip prior to installation to
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