LSP Ex System for Zone 22
Linescanner Head
User Guide
2
Explanation of markings
As well as the model number, serial number and year of manufacture, HotSpotIR
Ex for Zone 22 models are marked with the following information:
•
The name of the manufacturer:
Land Instruments International
Stubley Lane
Dronfield
England
S18 1DJ
•
EX tD A22 IP6X T130C X
EX
indicates that the equipment complies with the European requirements
for equipment to be used in a potentially explosive atmosphere.
tD
indicates that the protection concept used is Protection by Enclosure as
defined in EN 61241-1
A22
indicates Practice A and the equipment is suitable for use in Zone 22.
IP6X
indicates the instrument is dust-tight.
T130C
indicates that the maximum external surface temperature is not
greater than 130°C, in a 60°C ambient, when installed as specified. Refer
to the applicable code of practice for selection of this equipment with
respect to specific dust ignition temperatures.
X
indicates that there are special conditions of use
•
Ta -20C to +60C
this indicates that the permitted range of ambient
temperature in which the equipment is installed is -20°C to +60°C.
•
II 3 D
Ex
symbol indicates compliance with European Directive 94/9/EC (ATEX)
II
indicates the equipment is designed for use in non-mining applications
(equipment Group II)
3
indicates that the equipment is category 3 i.e. it provides the required
level of protection in normal operation.
D
indicates type of explosive atmosphere i.e. Dust
•
The
CE
symbol to indicate compliance with all applicable European
directives.
•
“DO NOT OPEN WHEN AN EXPLOSIVE DUST ATMOSPHERE IS
PRESENT”
This label is fitted to each removable cover to indicate that the
equipment must not be opened in the described circumstances.
•
“DO NOT SEPARATE WHEN ENERGISED”
This label is fitted adjacent to
the electrical connector to indicate that the cable plug and socket must not
be disconnected when the equipment is energised.