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Honeywell MultiRae Hydrogen Sulfide Electrochemical Sensors Replacement

What you need

  1. Honeywell MultiRae Hydrogen Sulfide Electrochemical Sensors Replacement, Electrochemical Sensors: step 1, image 1 of 1
    • Confirm which sensor you are intending to replace. Make note of it.

    • Nitrile gloves should be worn for the entire procedure.

  2. Honeywell MultiRae Hydrogen Sulfide Electrochemical Sensors Replacement: step 2, image 1 of 2 Honeywell MultiRae Hydrogen Sulfide Electrochemical Sensors Replacement: step 2, image 2 of 2
    • Place the monitor face down on a clean surface.

    • Use the Phillips #0 screwdriver to remove the single 3 mm Phillips screw on the belt clip.

  3. Honeywell MultiRae Hydrogen Sulfide Electrochemical Sensors Replacement: step 3, image 1 of 1
    • Starting at the bottom of the case, pull the outer case away from the main body of the monitor.

    • Continue pulling out and away until the entire outer case has been removed.

  4. Honeywell MultiRae Hydrogen Sulfide Electrochemical Sensors Replacement: step 4, image 1 of 1
    • With the Phillips #0 screwdriver, remove all four 3 mm screws from the rear pump/sensor cover.

  5. Honeywell MultiRae Hydrogen Sulfide Electrochemical Sensors Replacement: step 5, image 1 of 1
    • Remove the outer pump/sensor housing cover and set it aside.

  6. Honeywell MultiRae Hydrogen Sulfide Electrochemical Sensors Replacement: step 6, image 1 of 1
    • Carefully grip and twist the outer edge of the sensor to remove the sensor from its insertion point.

    • Be careful not to twist too aggressively as this could damage the sensor attachment point in the monitor.

  7. Honeywell MultiRae Hydrogen Sulfide Electrochemical Sensors Replacement: step 7, image 1 of 3 Honeywell MultiRae Hydrogen Sulfide Electrochemical Sensors Replacement: step 7, image 2 of 3 Honeywell MultiRae Hydrogen Sulfide Electrochemical Sensors Replacement: step 7, image 3 of 3
    • Grip the replacement sensor on the outer edge.

    • Insert the new sensor in a straight downward orientation.

    • Be careful to line up the prongs with their insertion/attachment point in the monitor.

  8. Honeywell MultiRae Hydrogen Sulfide Electrochemical Sensors Replacement: step 8, image 1 of 1
    • Reassemble the unit in reverse order.

    • After reassembly, power the unit on to ensure that the monitor recognizes the new sensor.

    • Calibrate the sensor per the manufacturer's instructions.

Conclusion

To reassemble your device, follow these instructions in reverse order.

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