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Replacing the PM Sensors

Follow these steps to replace the PM Sensors. This guide assumes you have HDPE enclosure.

Step-by-step

  • Open the enclosure

Replacing the Particulate Matter Sensor (PMS)

  • Remove power from the sensors (both, USB and battery)

Replacing the Particulate Matter Sensor (PMS)

Replacing the Particulate Matter Sensor (PMS)

  • Extract the SCK and PM sensors by removing the screws

Replacing the Particulate Matter Sensor (PMS)

Replacing the Particulate Matter Sensor (PMS)

  • Disconnect the 6-way cable from the PM sensor

Replacing the Particulate Matter Sensor (PMS)

Replacing the Particulate Matter Sensor (PMS)

  • Extract the PM sensor and replace it with the new one

Replacing the Particulate Matter Sensor (PMS)

Replacing the Particulate Matter Sensor (PMS)

  • Connect back the 6-way cable and put the sticker from the previous sensor on the PM sensor (this ID is related to the Data Board)

Replacing the Particulate Matter Sensor (PMS)

Replacing the Particulate Matter Sensor (PMS)

  • Put everything back together. No need to update anything else in the SCK. You are good to go!