EC900 Series Operation Manual V4.7
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:
5 segment display / switch PCB fitted.
New Plastic front panel & CPU update.
New PCB - MK 3 (900 172) (USB).
New PCB - MK 3 (900 183) (USB)