▪ When ZERO WATER (programmed as “NO” by default) is
programmed as “YES”, BioTector takes DI Water from the
available system port (which could be the ZERO WATER port or
MANUAL/CALIBRATION port, and if these ports are not
available SAMPLE 1 port), and uses DI Water as a sample
during the Zero Calibration and Zero Check cycles.
▪ When this function is activated, the relevant system messages
are also displayed in Install New Reagents menu. See section
2.2.2.1 Install New Reagents for details.
pH ADJUST BASE 14 , 0 , 0
▪ The three pH ADJUST BASE parameters defines the number of
pulses the base reagent pump operates to inject base reagent
into the reactor at each available system operation range, which
are Range 1, Range 2 and Range 3.
▪ This function is used to neutralize the pH of the Mixer Reactor.
▪ pH ADJUST TIME determines the mixing time (60 seconds by
default) the Mixer Reactor operates for the pH neutralization of
the reactor.
▪ SERVICE ZERO specifies the number of zero calibration cycles
to be repeated after a defined number of reactions between
each zero calibration cycle. The first setting “20” is the number of
reactions between each zero calibration cycle, and the second
setting “5” is the total number of zero calibration cycles which will
be carried out.
▪ SERVICE ZERO cycle is activated by the SET SERVICE ZERO
function in Service menu.
▪ Anytime the Zero Adjust value is changed, either manually by
the user or automatically by the system, the new Zero Adjust
value is stored in the Zero Adjust History archive with the time,
date, zero range and the zero type (calibration, check or manual)
information.
▪ The meaning of the codes used in the system for zero adjust are
as follows:
TOC/TC-ZC: Zero calibration result for TOC/TC.
TOC/TC-ZK: Zero check result for TOC/TC.
TOC/TC-ZM: Manually input Zero Adjust for TOC/TC.
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