Chapter 1. Getting Started
Model PM880 Portable Hygrometer User’s Manual 13
1.4.2b Entering Moisture Calibration Data (cont.)
Figure 5: Hygro Window in Calibration
7. Press [] to move to the next text box, and press [ENTER]. Use the
numeric keys to enter the corresponding dewpoint reading and press
[ENTER].
8. Use the arrow keys to scroll to additional data points and repeat steps 5,
6 and 7 until you have entered the values for each data point.
Note: To insert an additional data point, press [F1] (Insert).
To delete a data point, press
[F2] (Delete).
9. When you have completed entering values, press [F3] (EXIT).
Next, do one of the following:
• If the probe has a pressure transducer, proceed to step 3 in Entering
Pressure Calibration Data on page 14.
• If the probe does not have a pressure transducer, press [F3] (OK).
Proceed to Displaying Measurements on page 15.
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