EUTECH INSTRUMENTS DO 6 PLUS Manual de instrucciones Pagina 17

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Instruction Manual DO 6+
- 11 -
3.3 % Saturation Calibration
The DO6+ can be easily calibrated in air. For best DO accuracy, ensure that the
barometric pressure value is accurate.
The barometric pressure factory default is
760 mm Hg, which results in a theoretical
calibration value of 100% saturation in air.
If the barometric pressure setting has been
changed from 760 mm Hg, the meter will
automatically adjust to a new % saturation
calibration value instead of 100%. This new
value is correct for the adjusted barometric
pressure.
3.3.1 100% Calibration
1) Rinse the probe well with DI water or
rinse solution.
2) Press MODE to select % saturation.
3) Hold the probe in the air with the tip
facing downwards. Wait for the
reading to stabilize.
4) Press CAL. The CAL indicator and
intended percentage calibration point
(100%) 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 100.0% air
saturation, then returns to
measurement mode.
%
CAL
A
%
HOLD
ENTER
CAL
CAL
%
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
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