Chapter 1. Getting Started
12 Model PM880 Portable Hygrometer User’s Manual
1.4.2b Entering Moisture Calibration Data
You need to enter calibration data for M and TF Series probes only. The
Moisture Image
Series (MIS) probes store all calibration data in their
electronics module, and upload it into the PM880 memory when needed.
Note: It is not necessary to enter calibration data for the Moisture Image
Series (MIS) probe unless you send it back to the factory for
calibration without its electronics module. If this is the case, you
must manually enter the calibration data as described below.
Note: It is not necessary to enter calibration data for the MISP2 probe.
Enter moisture calibration data (MH or FH) and dewpoint readings (up to
20 data points) for the moisture probe as described below. Refer to Figure 9
on page 19 for a menu map.
Note: If you are using an MIS probe and do not need to enter data, proceed
to Displaying Measurements on page 15.
1. If the menu is not active, press [MENU].
2. Use the arrow key to scroll to Program and press [ENTER].
3. Use the arrow key to scroll to Calibrate and press [ENTER].
4. If necessary, use the arrow key to scroll to Hygro and press [ENTER]. A
screen appears similar to Figure 5 on page 13.
5. Press [] to move the pointer to the 00/MH box in the calibration table.
6. Press [ENTER] to change the value. Use the numeric keys to enter the
desired MH or FH value, and press
[ENTER].
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