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2.22 Special information about test functions
Under the < 6> Test key, all chapters and functions for checking the device are combined. There are the
following functions:
On-the-fly calibration, Freeze, Computing cycle, Calibration Rhon/Hs, Functional test, Hardware test,
Ultrasonic diagnosis, and Test cabinet (internal).
2.22.1 On-the-fly calibration
If you have selected the On-the-fly calibration function, you can start this function by pressing Enter. All
totalizers are displayed in high resolution together with a stopwatch. If you press Enter again, the totalizers
and the stopwatch will be stopped. If you press Enter once again, all values will be reset to zero and the
procedure will be restarted.
2.22.2 Freeze
If manual freeze has been set in Freeze mode, a freeze procedure is started every time the Test key is
pressed. All values marked F.. are stored synchronously when the Test key is pressed. The measured values
stored will be retained until the next freeze procedure is initiated. The following freeze modes are possible:
OFF / Manual / Contact / Cyclic / Gas day / Every day / Every hour / Every second / Every minute. For the
"cyclic" operating mode, it is possible to set the interval.
2.22.3 Calibration standard density / superior calorific value
Formation of correction values for the standard density and superior calorific value measuring inputs. It is
possible to define or assign functions to buttons and set the maximum monitoring time. The measuring gas /
test gas button initiates the formation of the holding value and the button for forming the correction value
initiates the calculation of the correction value. The procedure is monitored for maximum limits and
maximum time.
2.22.4 Functional test
Similar to the DSfG revision, there are four points of time which define the start, the interval and the end of a
data recording procedure. When the first point of time is reached, the volume corrector automatically starts
data recording, forms the mean values, etc. until the next point of time is reached and stops recording when
the last point of time is reached. The results can be accessed only with the PC (browser).
You can find the Functional test chapter under the Test heading (<6> key).
Status shows the current state: "Stopped" or "Running".
For Time stamps 1 to 4, you can anticipatorily enter four points of time when a test run is to be performed
automatically.
Test time defines the duration of testing (in the case of a manual test run).
Time forerun/tracking defines the time between the first and second or third and fourth points of time (in
the case of a manual test run).
Delay defines the delayed start up to the first point of time from the moment Enter was pressed (in the case
of a manual test run).
Automatic test run: Set four points of time. The start is performed automatically.
Manually controlled test run: Select the Status function and press Enter.
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C:\Temp\ERZ2000_Kurzhilfe_V1_3_EN.doc
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