Thermo Scientific
1. Remove the old humidity indicator.
Save the old indicator for reference when you install the new indicator.
Note
• 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.
• When installing the new humidity indicator, make sure 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.
Maintaining Your Instrument
Replacing the Humidity Indicator
Nicolet iS20 User Guide
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