20
12.2
95-8616
APPENDIX B
CSA CERTIFICATION DESCRIPTION
The following items, functions, and options describe the CSA approval.
APPROVAL
Electrochemical Gas Detector, GT3000 Series.
Explosion Proof Model
Class I, Div. 1, Groups A, B, C, & D (T4).
Class I, Div. 2, Groups A, B, C, & D (T4).
IP66.
Conduit seal not required.
Acidic atmospheres excluded.
NOTE
The GTX Gas Transmitter module shall be connected directly to a junction box suitable for the area of
installation to provide protection for the flying leads.
Intrinsically Safe Model
Class I, Div. 1 & 2, Groups A, B, C, & D (T4).
IP66.
NOTE
In order to maintain the intrinsically safe rating of the transmitter, the device must be powered through an
approved I.S. barrier.
For a list of recommended barrier models, refer to Tables 3 and 4. For additional information regarding
proper I.S. installation, refer to the Control Drawings in Appendix H of this manual.