Serial Number Suffix Details - Systech Instruments EC900 series Operator's Instruction Manual

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
A
B
C
D
E
F
www.systechillinois.com
EC900 Series Operation Manual
Change Details
RS485 Hardware fitted.
5 segment display / switch PCB fitted.
New Plastic front panel & CPU update.
Dual race cell
New PCB - MK 3 (900 172) (USB).
New PCB - MK 3 (900 183) (USB)
V4.7
Change Date
19/10/1999
28/11/2002
01/11/2007
28/07/2010
25/05/2011
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