PerkinElmer SPECTRUM TWO N, User Manual

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82 . Spectrum Two N User's Guide
Humidity Shield
The humidity shield displays the current internal humidity of the spectrometer as measured
by the humidity sensor inside the instrument.

Select Humidity Shield from the Measurement menu.
The Humidity Shield dialog is displayed.
Figure 72 Humidity Shield
The information your humidity shield may display is listed in Table 3.
Table 3 Humidity Shield status information
Status Appearance Humidity
Range
Action Required
Normal
0%
<10% No action is required.
High 20% 20–39% Desiccant change is recommended.
Critical 40% ≥ 40% Replace the desiccant immediately to avoid
instrument damage.
If the humidity of your instrument reaches high or critical levels, the humidity sensor will
display a warning message on the Status bar.
Figure 73 Humidity sensor High and Critical warning messages
NOTE:
The humidity is also checked during the Component Checks.