Enmet OMNI-4000 Manual de usuario descargar pdf (Pagina 59)

OMNI-4000 S/N 6705 and above ENMET Corporation

3.7 Replacing the Oxygen Sensor

This procedure is used when a new oxygen sensor is installed.

Equipment Required

 A small phillips head screwdriver

 A new oxygen sensor

Replacing the Oxygen Sensor

• Use the screwdriver to remove the cover which contains the sensor openings. See Figure 3-14

• Remove the old oxygen sensor

• Install the new sensor. The connector ensures a correct fitting. Be careful not to damage the male part of the

connector.

• Put the cover protecting the sensors back into place

Figure 3-14: Acceptable Locations of Oxygen and Toxic Sensors

Possible locations of the oxygen sensor are channels 2, 3, and 4. See Figure 3-14.

Checking the Oxygen Sensor

In the interests of safety, check the sensor by:

• Pressing the ON/OFF switch

• Checking that the displayed reading is 20.9%, in a normally ventilated environment. If it is not, attempt on auto-

zero or calibration. If this doesn't work, replace the sensor.

Explosive Gas

Sensor

CO2 Sensor

(if needed)

Toxic Gas or

Oxygen Sensor

Locations

1 2 ... 54 55 56 57 58 59 60 61 62 63 64 ... 71 72

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Enmet OMNI-4000 Manual de usuario Pagina 59