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APPENDIX B
CSA CERTIFICATION DESCRIPTION
The following items, functions, and options describe the CSA certification.
APPROVAL
Line-of-Sight Infrared Hydrocarbon Gas Detector, Model LS2000.
Receiver with Relays
Class I, Div. 1, Groups B, C, & D (T4).
Tamb = –55°C to +75°C.
Class I, Div. 2, Groups A, B, C, & D (T4).
Class II/III, Div. 1 & 2, Groups E, F, & G (T4).
Tamb = –55°C to +65°C.
Class I, Zone 1, Ex db IIC T4 IEC 60079-29-4 IP66/67.
Tamb = –55°C to +75°C.
Type 4X, IP66/67.
Receiver without Relays
Class I, Div. 1, Groups B, C, & D (T4).
Class I, Div. 2, Groups A, B, C, & D (T3C).
Class II/III, Div. 1, Groups E, F, & G (T4).
Class II/III, Div. 2, Groups E, F, & G (T3C).
Tamb = –55°C to +75°C.
Class I, Zone 1, Ex db eb IIC T4 IEC 60079-29-4 IP66/67.
Tamb = –50°C to +75°C.
Class I, Zone 1, Ex db IIC T4 IEC 60079-29-4 IP66/67.
Tamb = –55°C to +75°C.
Type 4X, IP66/67.
Transmitter
Class I, Div. 1, Groups B, C & D (T4).
Class I, Div. 2, Groups A, B, C & D (T3C).
Class II/III, Div. 1, Groups E, F & G (T4).
Class II/III, Div. 2, Groups E, F & G (T3C).
Tamb = –55°C to +75°C.
Class I, Zone 1, Ex db eb IIC T4 IEC 60079-29-4 IP66/67.
Tamb = –50°C to +75°C.
Class I, Zone 1, Ex db IIC T4 IEC 60079-29-4 IP66/67.
Tamb = –55°C to +75°C.
Type 4X, IP66/67.
Conduit seal required within 18 inches (450mm) of the enclosure.
ACCURACY
±5% of full scale gas concentration or ±10% of applied gas concentration, whichever is greater.
NOTE
In order to remain within ±5% of full scale gas concentration or ±10% of applied gas
concentration, the maximum misalignment is ±0.8 degrees.