
Prepare
your AlcoMate Plus. Make sure it is powered off. |

Remove
the battery cover. |

Remove
the batteries. |

Using
a screwdriver, remove both screws under the battery cover. |

Using
a screwdriver, remove both screws under the battery cover. |

Pull
the two tabs (to the left and right of the battery compartment)
up from the device. |

Pull
the two tabs (to the left and right of the battery compartment)
up from the device. |

Lift
up the entire back portion of the device. |

Remove
the back portion from the device. |

Remove
the circuit board (with sensor and breath tube attached). |

Hold
the breath tube where it is attached to the sensor module.
|

Remove
the breath tube from the sensor module. It should lift easily. |

Pull
the sensor module up from the adapter slot. Be careful. |

Prepare
a new pre-calibrated sensor module. |

Replace
the new sensor module into the adapter slot. |

Press
firmly to make sure that the new sensor module is secured in place. |

Re-attach
the breath tube, as shown. |

Replace
the circuit board to its original position. |

Snap
the back portion of the device back on to the front, securely. |

Use
a screwdriver to remount the screws. |

Replace
the batteries. |

Finally,
replace the battery cover. |

Ready
for Testing! |
|