MaxTech 800 Bedienungsanleitung PDF herunterladen (Seite 10)

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2.2 Calibration

A new calibration is required when:

• The measured O

percentage in 100% O

is below 97.0%.

• The measured O

percentage in 100% O

is above 103.0%.

• The CAL reminder icon is blinking at the bottom of the LCD.

• You are unsure about the displayed O

percentage, see Factors Inﬂuencing

Accurate Readings in section 3.0.

The MaxVenturi can be calibrated at 100% oxygen or room oxygen (20.9%). The One

Touch calibration will assume one of these two concentrations.

2.2.1 Room Air Calibration

Caution: Turn off all ﬂow of gas to the MaxVenturi before calibration in room air.

Calibrating the oxygen sensor in a gas concentration other than room air (20.9%) will

result in an incorrect measurement of oxygen concentration.

...2 minutes

Shut off Oxygen supply. Remove sensor from

port.

Wait two (2) minutes

for sensor to equilibrate

in room air.

Press and hold CAL

button for three (3)

seconds. Wait for

display to

read "20.9%".

Place sensor in port.

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MaxTech 800 Bedienungsanleitung Seite 10