Rae QRAE 3 User Manual - page 63
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Quick Start Manual
Manual is about: Wireless Personal Four-Gas
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Year of Manufacture
To identify the year of manufacture, refer to the serial number of the instrument. The
letter in the serial number indicates the year of manufacture. For example, “P” indicates
the manufacturing year is 2012. Other alphabetical letters may be used after 2019.
Letter
Year
N
2011
P
2012
Q
2013
R
2014
S
2015
T
2016
U
2017
V
2018
W
2019
Combustible (LEL) Sensor Performance Specifications
Range
0 to 100% LEL
Resolution
1%
Response Time:
T
90
Caution:
Refer to RAE Systems Technical Note TN-114 for LEL sensor cross-sensitivities.
Refer to RAE Systems Technical Note TN-144 for LEL sensor poisoning.