INM MTL 130-0202 Rev 4
17
NOTE
The codes are additive. E.g. if a code of 5 was displayed it would mean that Vo1 AD
counts were less than (-)4093 and Vo2 AD counts were less than (-)4093.
Vt is the internal voltage signal that indicates the katharometer’s temperature
Vo1 is the internal voltage signal that is a function of the difference between the two
katharometer sense signals at terminals 1-2 and 3-4 in Figure 6. It is used to calculate the
hydrogen content.
Vo2 is the internal voltage signal that is a function of the katharometer sense signal at
terminals 3-4. It is used to calculate the chlorine content.
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