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10 APPENDIX
Appendix
36
Installation
•
Connect Helium Concentration Tester to HLD test port and connect the
provided DB9 serial cable between the devices.
•
Connect Concentration Tester power plug to electrical power source.
•
Turn on both HLD and Tester.
After HLD is fully powered and warmed up ensure the tester status
o
message reads "Ready to Test".
Calibration
•
Preform daily when using the LHCT.
•
Press the "Cal" button to calibrate the system. The first step goes through
background cleanup step.
•
Insert the gas sniffer probe into a known gas sample when prompted by the
Tester.
•
Remove the probe and the Tester will ensure background is clean, then as the
LD detects the helium the Tester will automatically adjust its internal
calibration accordingly.
•
Verify that the calibration was successful by reading Calibration Passed.
Testing
•
Press the "Start" button to test gas samples. The Tester will record the Max
reading during the test time.
Shut Down
•
Turn off both the Helium Concentration Tester and the HLD.
See the As-Shipped Parameters printout in the end of this manual for a listing of all
As-Shipped Parameters.
If a software upgrade is needed, follow the steps outlined below.
1. LACO will email a zipped file. On a computer, unzip the emailed file and place
the FP3070TN folder onto the USB drive.
2. Place the USB drive into the 2500 USB port.
3. Go to the Maintenance Screen and press the "Open USB" button.
4. Confirm "Yes" that you want to preform USB sick operation.
LHCT03D & LHCT03D-R Operations and Maintenance Manual
LACO Technologies
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