110
Notes on Approval
Notes on Approval
Marking
Serial no.
1)
In areas regulated by UL standards, the gas detection transmitter shall be supplied by a
Limited Voltage/Current Circuit, i.e. the open circuit voltage available to the circuit shall not
exceed 42.4 V peak and the current available shall be limited to 8 A measured after 1 minute
of operation.
____________________
1) The year of manufacturing is indicated by the third letter of the serial number on the type plate:
Y = 2007, Z = 2008, A = 2009, B = 2010, C = 2011, etc.
Example: Serial no. ARYH-0054, the third letter is Y, so the year of manufacturing is 2007.
05923886_01.eps
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