Euro-Gas CO2-SS-20 Manuel de l'utilisateur - Page 9

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3. Operation

3.5 Sampling/Measuring Mode

IMPORTANT NOTE: Always ensure that the filters provided are used and

replaced regularly

IMPORTANT NOTE: Before each day of use, we recommend that the unit

is zeroed in air by following the "Calibrate in Air" procedure in

Section 4. Calibration.

To turn on the integral gas pump, briefly press the

To turn off the pump, again briefly press the

3.6 Resolution adjustment

To adjust the measurement resolution from 1 decimal place to 2 decimal places tap the

"Percent CO2" area of the screen:

3.7 Measurement procedure

When sampling the CO2 level of a CO2 Incubator, connect the unit tubing to the

sample port and press the

A sample of the atmosphere from the CO2 Incubator will then be drawn in through the

tube and the "PERCENT CO2" reading will start to change as the gas to be measured is

drawn into the unit.

Monitor the reading until it stabilises. This will typically take around 90 seconds.

Take note of the reading and press the

IMPORTANT NOTE: As the atmosphere in an incubator is normally kept at a high humidity,

we recommend that you DO NOT leave the analyser sampling on a humidified incubator for

longer than 2 minutes. After sampling on a humidified Incubator for a long period, we

recommend that you continue to run the analyser pump in air for 30 seconds to flush out any

humidity which could have built up inside the sensor.

Pump

button to turn on the metering gas pump.

Pump

button to turn off the metering gas pump.

Pump

button.