MicroRAE User’s Guide
62
Year of manufacture
To identify the year and month of manufacture, refer to the two digit marking placed
adjacent to the serial number on the instrument label according to the following table:
Year
First digit
Year code
Month
Second digit
Month code
2014
R
January
1
2015
S
February
2
2016
T
March
3
2017
U
April
4
2018
V
May
5
2019
W
June
6
2020
A
July
7
2021
B
August
8
2022
C
September
9
2023
D
October
A
2024
E
November
B
2025
F
December
C
E.G.: “RA” indicates that the monitor is manufactured in the month of October in the
year 2014.
