Rae QRAE 3 - Page 58

55
Year Of Manufacture
To identify the year of manufacture, refer to the serial number of the instrument.
The second to last digit in the serial number indicates the year of manufacture. For example, “M”
indicates the manufacturing year is 2010.
First digit
Year
J
2008
K
2009
M
2010
N
2011
P
2012
Q
2013
R
2014
S
2015
T
2016
U
2017
V
2018
W
2019
Standard Span Values For Sensors
Sensor
Standard Span Values
CO
50 ppm
H
2
S
10 ppm
OXY
18.0 %
LEL
50 %LEL Methane
SO
2
5 ppm
HCN (3R sensor and 4R sensor)
10 ppm
NH
3
50 ppm
PH
3
5 ppm
Cl
2
10 ppm
NO
2
5 ppm