Z204687-0D

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TM

AA01

INSTALLATION GUIDE

FOR CDE DEVICE WITH PEAR-SHAPED

SENSOR

1. Remove the cover and connect the gas cylinder hose to the plastic port located on

the sensing module. Connect only one sensor to the calibration gas cylinder at a

time.

Connect hose here

2. Start flowing nitrogen gas (0 ppm CO

2). Use a flow rate of 0.3 to 0.5 liter/minute.

NITROGEN

GAS

Regulator

Valve

3. Push and hold down the calibration button until the LED illuminates.

Push and hold down calibration button

Green LED

4. Continue flowing gas through the sensor until the LED deluminates. Estimated

calibration time is 5 minutes. Remove the hose from the calibration port when

complete.

FOR CWE DEVICE WITH PEAR-SHAPED

SENSOR

1. Remove the cover and connect the gas cylinder hose to the plastic port located on

the sensing module. Connect only one sensor to the calibration gas cylinder at a

time.

Connect hose here

2. Start flowing nitrogen gas (0 ppm CO

2). Use a flow rate of 0.3 to 0.5 liter/minute.

NITROGEN

GAS

Regulator

Valve

3. Push and hold down the calibration button until the LED illuminates.

Push and hold down calibration button

Green LED

4. Continue flowing gas through the sensor until the LED deluminates. Estimated

calibration time is 5 minutes. Remove the hose from the calibration port when

complete.