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6. Press
HOLD/ENTER
to enter the menu.
7. Use or to select
YES
(reset user) or
NO
(do not reset
user).
8. Press
HOLD/ENTER
to conf rm.
9. If “
YES
”, the meter will return to the measurement mode after
resetting.
10. Press
CAL
to return to the measurement mode.
5.8 % Saturation Offset Adjustment (OFS.6)
Use this feature to offset the meter value when
cross referenced to another DO meter. The DO
6 PLUS allows a ±10.0% offset adjustment.
View the offset value from the Electrode Data
menu “ELE.3”.
1. Using the % saturation mode of the DO
6 PLUS, measure the concentration of
a sample after it has stabilized.
2. Measure the concentration the same
sample using another DO meter as a
reference. The probe of the reference
meter should be immersed at the same
depth as the probe of the DO 6 PLUS.
Turn the meter off.
3. With the meter off, keep the
MODE
key pressed. Press and release
ON/
OFF
, then release
MODE
. The meter
should display “
SEt.P
” after
ON/OFF
is released and “
COF.1
” after
MODE
is released.
4. Press or to select “
OFS.6
”.
5. Press
HOLD/ENTER
to enter the menu. The display will
momentarily show the measured reading based on the last
calibration before displaying the last offset adjusted value.
6. Use or to enter the value of the reference DO meter.
7. Press
HOLD/ENTER
to conf rm.
8. Press
CAL
to return to measurement mode.
Note: User calibrations will reset the offset adjustment to 0.0 %.
%
HOLD
ENTER
Measured reading based on last
percentage saturation calibration
is displayed momentarily
%
%
HOLD
ENTER
Last offset adjusted
value will be displayed
Display will return to “OFS.6” subgroup menu
“CO” will display for
1.5 seconds
