LACO Technologies LHCT03D Operation And Maintenance Manual page 31

Helium concentration tester
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Manual Logging – When this option is selected, the user will see a disk icon
on the test screen. When the disk icon has a red check mark no data is being
logged. The user must select the icon and data will start to log and the icon
will have a green check mark. Press the button again to stop logging data.
Auto Logging – For this option data will automatically be collected at the end
of a test cycle (just one row of data).
The percentage of the data logging memory used is displayed on the run, manual and
data log screens. All the data logging is collected into one csv file. To retrieve the
data, perform the following steps:
Inset a USB disk drive into the side of the controller.
Go to the data log screen and enter the start and end data and time of the
data range that needs to be uploaded.
Enter an up to 8-character download file name.
Press the download data tab.
The download status bar should read "in process".
Once the download status reads "download complete" the user can retrieve
the USB drive from the USB port.
Once the uploaded data has been verified on a PC, it is recommended to delete old
data log data by pressing the "Clear Data Log" button.
Below is a small sample of how the csv data log file will look.
LHCT03D & LHCT03D-R Operations and Maintenance Manual
6 OPERATING PROCEDURES
27

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