Nova-Tech DO 6+ - Manual (Page 18)

Instruction Manual DO 6+
- 12 -
3.3.2 0% Calibration
1) Rinse the probe well with DI water or
rinse solution.
2) Press MODE to select % saturation.
3) Dip the probe into zero oxygen
solution. Wait for the reading to
stabilize.
4) Press CAL. The CAL indicator and
intended percentage calibration point
(0%) display briefly, before CAL
flashes. The % value based on the
factory default calibration is shown.
5) Press HOLD/ENTER to confirm the
calibration. The meter displays “CO”,
automatically calibrates to 0.0%
saturation, then returns to
measurement mode.
A value with respect to the
factory default calibration
will be displayed
%
CAL
A
%
HOLD
ENTER
CAL
CAL
%
Calibration point will be
displayed for 1.5 seconds
%
“CO” will displayed for
1.5 seconds
A