Servicing the PM880 8-9
August 2003
Entering Reference Data
IMPORTANT: Do not change these values without consulting
GE Panametrics.
The PM880 requires reference values for its measurement
circuitry for moisture and pressure inputs. The references are
factory calibration values. (Please contact GE Panametrics for
more information.) To enter the option, scroll down to the
References entry in the Service Menu and press
[ENTER]. The
screen appears similar to Figure 8-8 below.
Figure 8-8: The Hygrometry Tab in the References
Option
Entering Hygrometry Reference Values
1. The first prompt asks for the high reference value.
a. Press
[ENTER] to open the text box.
b. Use the numeric keys to enter the value recorded on the
rear of the PM880.
c. Press
[ENTER] to confirm the entry.
2. Press the [
T] key to move to the low reference value, and
repeat steps a, b and c to enter the value.
References
Cancel
OK
Hygro Pressure
High Ref
Low Ref
1
0.175
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