0% Calibration - EUTECH INSTRUMENTS DO 6 PLUS Instruction Manual

Instruction Manual
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
saturation,
measurement mode.
calibrates to
then returns
CAL
CAL
CAL
0.0%
to
HOLD
ENTER
- 12 -
DO 6+
A
%
%
Calibration point will be
displayed for 1.5 seconds
%
A value with respect to the
factory default calibration
will be displayed
"CO" will displayed for
1.5 seconds
A
%