EUTECH INSTRUMENTS DO 6 PLUS Bedienerhandbuch PDF herunterladen (Seite 17)

Instruction Manual DO 6+

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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

HOLD

ENTER

CAL

Calibration point will be

displayed for 1.5 seconds

value with respect to the

factory default calibration

will be displayed

“CO” will displayed for

1.5 seconds

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EUTECH INSTRUMENTS DO 6 PLUS Bedienerhandbuch Seite 17