To record readings of heat flow over time, proceed as above with steps 1-12
and then follow the steps below.
1. Change from discrete to continuous data logging (See SAMPLE
INTERVAL Key and SAMPLE (options) Key sections for details on how
to change to continuous sampling mode).
2. Press SAMPLE to start a sample. This will automatically log data that is
required.
3. Press SAMPLE to stop the sample.
This will allow you to record data over time which, when downloaded to a
computer, can be graphed.
Printing Data Using the Portable Printer
The following will be printed as long as a printer is connected. When
viewing statistics, the statistics shown on the display for the current test ID
will be printed automatically when the STATISTICS key is pressed. When
reviewing data, nothing will print. When taking a sample, the reading will
be printed automatically each time the SAMPLE key is pressed.
To print everything in memory, press and hold the ENTER key. This will
initiate a countdown from 5 to 0. When the display shows zero, release the
key and everything in memory will print to the printer. If you release the
key at any time other than 0 during the countdown, nothing will print.
NOTE: In order to print, the baud rate on the V
set to the same as the printer (default is 1200).
Downloading Data to a Computer
VCALCDAT is a DOS-based program designed to download the data stored
in the memory of the V
the test ID, measurement, unit of measure, thermal/Pitot selection,
correction factors, actual/standard parameter, flow area, and time constant.
This data is date and time stamped. In addition, the statistics for each test
ID are provided. The file containing the downloaded data is sorted and tab
delimited to allow it to be imported into a spreadsheet for further data
analysis.
To download data from the V
computer interface cable to the V
port. Any serial port from COM1 to COM4 can be used. Change the
current disk drive and directory to the one containing the VCALCDAT
program. For example, if the VCALCDAT program is located in the
'TESTDATA' directory on the 'C' drive, change to 'C:\TESTDATA'.
Type 'vcalcdat' at the prompt to start the program. The program is self-
directing; it provides all the necessary instructions for downloading data.
Operation
C
Plus to a computer. This data includes
ELOCI
ALC
C
ELOCI
ALC
C
ELOCI
C
ELOCI
ALC
Plus, connect the supplied
Plus and to a computer serial
ALC
Plus must be
15
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