3 THE MENUS KD2 Pro
3. Indicator for high power mode (HPM) or low power mode
(LPM).
4. The currently connected sensor name.
5. The measurement temperature in
◦
C or
◦
F.
6. Indicates the read time selected for current sensor.
7. Indicates that a reading is in progress.
8. Progress bar that displays elapsed time.
The purpose of the Main menu is to take measurements. Section 5
provides more detailed information on how to take a measurement.
After taking a measurement, there are three measured values on the
left side of the screen.
Thermal Properties Reading - The calculated thermal measure-
ment and units reported.
Starting Temperature - The initial temperature prior to any
heating or cooling.
Err Value - The err value is the relative error for the reading. It
is a measure of how well the model fits the data (the Theory
section of this manual describes the model that is fit to the
data). If the model fits the data perfectly, then err = 0.0000.
The purpose of displaying this reading is to indicate possible
problems with the data. A good data set gives err values below
0.0100, except at very low thermal conductivity (e.g. insulation
materials). If the err value is unusually large, discard the data,
wait fifteen minutes and take another reading. Review section
7.3 for a detailed explanation of the err value.
On the right side of the screen are three save options:
Save - Save your reading as is;
Annotate - Attach a sample ID to your reading;
Discard - Cancel the current reading and return to the Main screen.
Note: If the data memory is full or the sample temperature is unsta-
ble during a reading, an error message displays at the bottom of the
18
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