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Unread 02/07/2019, 01:14 PM   #4
vhuang168
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Join Date: Feb 2015
Location: San Jose, CA
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A PMK (uses the ASM module) also has the i/o port. As well as a PM3 (Dissolved Oxygen) module.

PM1 is useful if you use or plan on using a CaRx as well as giving you another Temp port.


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