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Systech Instruments EC900 series - 19 Serial Number Suffix Details

Systech Instruments EC900 series
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EC900 Series Operation Manual V4.7
www.systechillinois.com
Page
41
19.0 SERIAL NUMBER SUFFIX DETAILS
Systech Illinois have a process of continual development of their analyzers. Over the years there
have been a number of changes in the basic instrument that have resulted in the suffix of the
instrument being changed. These are as follows:
Suffix
Change Details
Change Date
A
RS485 Hardware fitted.
19/10/1999
B
5 segment display / switch PCB fitted.
28/11/2002
C
New Plastic front panel & CPU update.
01/11/2007
D
Dual race cell
E
New PCB - MK 3 (900 172) (USB).
28/07/2010
F
New PCB - MK 3 (900 183) (USB)
25/05/2011