D-Guard
2
7
Manual Conventions
To aid with the process of bringing attention to key points, graphical notices are used in this manual. These
notices are graded based upon the consequence of ignoring or incorrectly applying the information given.
Warning.
Significant risk to health and safety with the possibility of serious injury or death.
Caution.
Possibility of unsafe operation of D-Guard
2
and connected equipment.
Ex Certification of D-Guard
2
and connected equipment may be invalidated.
Note.
Additional information is provided to assist with understanding of detector
operation, configuration, calibration or maintenance.
1.
Warnings, Cautions and Notes
For safety reasons, D-Guard
2
must be installed, operated and serviced only by competent and appropriately
trained personnel. Reading and understand this instruction manual completely is essential before installing,
operating or servicing this equipment. Failure to install or operate this instrument in accordance with
instructions contained in this manual may result in invalidation of the conditions of certification and additionally
create hazardous operating conditions.
D-Guard
2
Carries the following Group II Hazardous area certifications :-
Ex ia IIC T4 Ga (-20°C ≤ Ta ≤ +70°C)
II 1G
U
i
= 28V, I
i
= 93mA, P
i
= 0.7W, C
i
= 0, L
i
= 0.
Includes: All Electro-Chemical sensor versions covering both standard ranges and user specified types.
Excludes: Infra-Red types 65-1080-LEL, 65-1080-CH4, 65-1080-CO2
.
Ex ia IIB T4 Ga (-20°C ≤ Ta ≤ +55°C)
II 1G
U
i
= 28V, I
i
= 93mA, P
i
= 0.7W, C
i
= 0, L
i
= 0.
Includes: Infra-Red types 65-1080-LEL, 65-1080-CH4, 65-1080-CO2.
Includes: All Electro-Chemical sensor versions covering both standard ranges and user specified types.
D-Guard
2
Carries the following Group I Hazardous area certifications, applicable to all product versions,
Ex ia I Ma (-20°C ≤ Ta ≤ +55°C)
I M1
U
i
= 22V, C
i
= 0, L
i
= 0.
Includes: Infra-Red types 65-1080-LEL, 65-1080-CH4, 65-1080-CO2.
Includes: All Electro-Chemical sensor versions covering both standard ranges and user specified types.
HART Communication Port (where fitted):
U
i
= 28V, I
i
= 93mA, P
i
= 700mW, C
i
= 0, L
i
= 0.
U
o
= 28V, I
o
= 93mA, P
o
= 700mW.
HART Communication Port (where fitted):
U
i
= 28V, I
i
= 93mA, P
i
= 700mW, C
i
= 0, L
i
= 0.
U
o
= 28V, I
o
= 93mA, P
o
= 700mW.
HART Communication Port (where fitted):
U
i
= 28V, C
i
= 0, L
i
= 0.
U
o
= 22V, I
o
/ P
o
as per power supply input.
Summary of Contents for D-Guard2
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Page 65: ...D Guard2 62 23 APPENDIX F 23 1 System Menu Map ...
Page 68: ...D Guard2 65 25 APPENDIX H Product Certificates 25 1 IECEx Product Certificate ...
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Page 72: ...D Guard2 69 25 2 ATEX Product Certificate ...
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Page 76: ...D Guard2 73 26 APPENDIX I Product Dimensions ...
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