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How many optional modules does the Power Meter 800 Series (PM800) support?
PM800 series meter
Customer would like to know the maximum number of modules PM800 series meter can support.
Installing maximum number of modules on PM800 series meter.
In March of 2005 a redesigned power supply changed the limits of how many option modules were allowed and the de-rating levels for operating temperature.
The series 800 Power Meter supports up to two (2) option modules. There are couple different ways this can be done.