AO2000 CONTINUOUS GAS ANALYZERS | OI/AO2000-EN REV. B 33
Version for use in Class I Div. 2 explosion hazard areas
Intended application
The AO2000 Series gas analyzers with analyzer modules Caldos25, Caldos27,
Limas21 UV, Limas21 HW, Magnos206, Magnos28, Magnos27 and Uras26 are
certified for use in Class 1, Div. 2 explosion hazard areas, Groups A, B, C, and
D, Temperature code T4.
Housing versions not equipped with conduit entries must be installed in a
suitable enclosure, cabinet or rack with provision for connection of Div. 2
wiring methods, acceptable to the local inspection authority having jurisdic-
tion.
Certificate
Certificate No. 1105720
Warnings
WARNING – EXPLOSION HAZARD
Substitution of components may impair suitability for Class I Division 2.
Secure all connectors with fasteners provided.
Relay contacts rated 30 V/1 A.
I/O connectors must only be connected to Class 2 circuits.
Ratings and ambient temperature
Analyzer module Rating Ambient temperature
Caldos25 max. 25 W +5 to +45 °C
Caldos27 max. 17 W +5 to +50 °C
Limas21 UV max. 100 W +5 to +45 °C
Limas21 HW max. 100 W +15 to +35 °C
Magnos206 max. 50 W +5 to +50 °C
Magnos28 max. 50 W +5 to +50 °C
Magnos27 max. 35 W +5 to +45 °C
Uras26 max. 95 W +5 to +45 °C
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