Operation
3i Plus
Rev. A1 Jan 2015
25
Choose the <Next> button, and the user can select location number and use various preset parameters
to perform test.
In the following example, selecting profile code WGA ECA location number 98 has a setting of:
High -temperature Alarm HI = 2120
Low -temperature Alarm LO = 1836
Emissivity
ε
= 0.95
Transmissivity T = 88%
Background Temperature Compensation BG = 120
Press <Done> to adopt this setting for this location and perform normal measurement.
If the user chooses to save the test data, the test point number will auto jump to the next one. If the
user doesn’t save the test data, the profile will keep the current test point.
Note: In this mode, the user can modify the emissivity values to adapt to field test conditions and use
<Save> soft key to save this change.
5.10.5
Trend
Press the <Menu> button, until <Trend> displays for the right function key and press enter.
The instrument provides two modes to display the trend.
•
<Auto>: The user does not need to consider how to set upper and lower limits for the
displayed temperature. The temperature axis will be changed according to the actual
measurement range. After the user chooses an appropriate time span, the curve can be
displayed on the screen.
•
<Manual>: The
user should
manually set the upper and lower limits for the Y-axes and the
time span for the X-axes in accordance to his needs.
Press the left key to enter the <Auto> mode. Enter the time axis settings. Press the arrow keys to select
the time interval. The unit can select 20 ms, 200 ms, 1 s, 10 s, 1 min, and 5 min time spans. After the
user has confirmed the selected time span and presses the trigger, the trend can be displayed on the
screen.
User also can choose the <Manual> mode to set the upper and lower limits and the time span.
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