PCE Health and Fitness PCE-COM 20 User Manual page 19

Conductivity tester
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10. Language selection
Press one of the arrow keys to move the cursor within the overview and to select one of the
positions. Press "OK" to confirm your language selection and get back to the settings screen.
You can select "German", "English" or "Chinese".
11. Measurement data storage
As you can see in chapter 5.4.6, there are two methods to save data. Your setting only applies
to the main measurement function. The following current measurement data will be saved:
σ(20), σ(TC), unit of measurement, temperature, TA, measuring frequency f, a
and date. You
0
can save up to 500 data records.
Manual storage:
When you press "SAVE" after the measurement with the probe still on the tested material, the
result will be saved manually. This is shown by a flashing "N" along with the assigned memory
location number in the middle of the display, on the right-hand side.
Auto storage:
Everytime new measurement data are added, a number displayed as "N = XXX" will appear in
the middle of the display for a short time to confirm that the readings have been saved. It also
shows the number of data records saved.
When the device is restarted, it will be in manual storage mode.
When the memory contains 500 records, you should delete either all or certain data (see
chapter 5.4.8).
The device will then be able to save new readings.
The unit of conductivity saved will be the one that is used during the measurement and is
independent from the unit selected via "DEL/UNIT".
12. Temperature coefficient setting
Press the a0 key on the keypad. A box around "a0" will then appear. When you press the "OK"
key, a line will appear below the value after "a0". The temperature coefficient can now be
adjusted by calling up the different values which have been set for "temperature coefficient",
using the arrow keys (see 5.4.4). When you have selected a value, confirm with "OK".
The measuring screen immediately changes to the original format but now shows the selected
a0 value instead of the old one. This value will remain until you make further changes. If you do
not press "OK", you will automatically get back to normal measurement mode after five seconds,
without any changes.
During the measurement of an unknown material, you can enter an average temperature
coefficient of a = 0.0026. a3 ... a8 are variable and can be changed by the user (see 5.4.4).
© PCE Instruments
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