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Connect the 

blue labeled end

 of TUBE-A to LEO gas inlet port 

labeled with icon        .

Put the cap on LEO gas inlet port labeled with icon        .

Connect the 

red labeled end

 of TUBE-A to the incubator or the point 

where measurement is required.

Use the fitting tubes and/or additional tube in order to allow the 

compatibility of the supplied tubing with the gas port of your 

incubators.

If the incubator has the return input available, use the Output Tube 
to connect the LEO gas outlet port labeled with icon               to the 
incubator gas recycle.

Press Pump/Diffusion Mode button                to select the Pump 

Mode.

Start a single point or logging gas measurement. 

IN

1. CO2-O2 Measurement 

ASPIRATION MODE

2

1

4

3

1

2

3

4

5

TUBE-A

IN

OUT

Connect the 

blue labeled end

 

of TUBE-A to LEO gas inlet port labeled with icon       .

Put the cap on LEO gas inlet port labeled with icon       .

Connect the 

red labeled end

 of TUBE-A to the incubator or the point where measurement is required.

Use the fitting tubes and/or additional tube in order to allow the compatibility of the supplied tubing with the gas port 

of your incubators.

Do not exceed 300 mbarg upstream to LEO.

Press Pump/Diffusion Mode button                to select the Diffusion Mode, and start a single point or logging gas 

measurement.

IN

DIFFUSION MODE

1

2

1

2

3

4

TUBE-A

IN

FOR HUMID GAS

TUBE-B

TUBE-A

If the sampling gas is humid, connect the 

red labeled end 

of TUBE-A and the 

green connector 

of TUBE-B to the Moisture Trap. 

Connect the end of Tube-B to the incubator or to the point where measurement 

is required.

Press Dry/Wet Mode button                to set the Wet Mode, 

and insert the humidity and temperature values of your 

incubator.

Before starting a Gas Logging, unscrew the  condensation trap to make sure the 

condensation trap top lid has been removed.

The condensation trap top lid 

allows reducing the sampling gas 

time during a Gas Single Point 

measurement Gas Measurement 

with Moisture Trap.

2

3

1

Always take care

of the room

ventilation.

6

Use the fitting tubes and/or additional tube in order to allow the compatibility of 

the supplied tubing with the gas port of your incubators.

Please verify the correct measurement mode for each incubator.

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