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Replacing the humidity indicator
The humidity indicator must be replaced when it turns white or does not return to blue after
the desiccant has been replaced.
Time needed: Less than 1 minute
Tools needed: Gloves, finger cots, or laboratory tissue
Note: To order parts, contact us.
1.—Remove the old humidity indicator.
Save the old indicator for reference when you install the new indicator.
Notice: Always wear lab gloves or finger cots, or use laboratory tissue, when handling the
humidity indicator. Oil or moisture from skin can discolor the indicator.
Notice: Make sure that the indicator is centered in the holder and that there are no gaps.
2.—Peel the backing off of the indicator holder, and then, as shown below, press the round,
blue indicator onto the adhesive on the holder.
Place the new indicator and holder over the indicator opening, and press down gently to
make sure it is sealed.
26
Using Your Nicolet iS10 Spectrometer
Thermo Fisher Scientific
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