Equipment and Calibration

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Equipment Entry

Instrument:Interface
Manufacture:Licor
Model No:LI-7550
Serial No:AIU-0614
Tag No:
Acquisition Date:2011-12-12
Project:USDA
Location on 2021-12-01:Mayberry,
Notes: Came with LI7700 sn TG1-0211 and LI7540 sn 75H-2150. Pressure sensor snPX-2701: A0=57.236, A1=15.171

Documents

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History

Rec No.DateLoc FromTitleLoc ToNotes
5621 2021-12-01 Lab none Installed Mayberry Interface LI-7550 Installed at Mayberry to replace sn AIU-1285, which was removed for testing in the lab.
5593 2021-11-30 Lab none Upgrade Lab none This interface box has been in the lab for a while. We need to swap out the box at Mayberry that might have been damaged by bad power. I loaded and old Mayberry config file. Then updated the firmware from v8.5.0 to v8.8.32. There is a newer v8.9.0 firmware, but I'm not sure if it is worth updating all of our sites yet.
5072 2021-01-29 Bouldin Corn Interface LI-7550 Removed Lab none Removed due to the tower falling over in the storm near midnight on 2021-01-26/27.
4305 2019-12-13 Lab none Installed Bouldin Corn Interface LI-7550 Re-installed at Bouldin Corn after re-assembling tower.
4272 2019-12-02 Bouldin Corn Interface LI-7550 Removed Lab none Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
3106 2017-10-04 Lab none Installed Bouldin Corn Interface LI-7550 Installed on the Bouldin Corn tower to replace sn AIU-1570 for testing in the lab for bad headers and 7700 drop outs during wash cycle.
3085 2017-09-26 East End-Temp2 Gas Analyzer CO2/H2O Removed Lab none Brought back to the lab with the decommissioning of the East End closed canopy temporary tower 2
2862 2017-06-14 Lab none Installed East End-Temp2 Gas Analyzer CO2/H2O Installed on the East End Temporary Tower #2 Closed Canpoy location with the initial tower set up.
2768 2017-05-15 Lab none Upgrade Lab none Updated the embedded software in the LI-7550 from 8.0.0 to 8.5.0.
2245 2016-04-11 Lab none Upgrade Lab none Updated the 7550 firmware from v7.3.0 to v8.0.0 skiping version 7.5.0
Relevant 7.5.0 changes: Main Window is now resizable, Added serial number entry for sonics, Help update, Fixed timeout when saving config files
Relevant 8.0.0 changes: Separate bandwidth settings for analog inputs and gas channels, Detection of new RS instruments, Additional calibration coefficients, Added sonic software version entry, Added chopper temp logging
1665 2015-01-15 Mayberry Gas Analyzer CO2/H2O Removed Lab none Removed from tower and replaced by sn AIU-1285. This box had the wrong head on it and was brought back in for thorough forensics.
1632 2014-12-23 Lab none Installed Mayberry Gas Analyzer CO2/H2O Installed on the Mayberry tower to replace sn AIU-1285 for painting.
1623 2014-10-21 Factory Received Lab none Received back from Licor where they replaced the analog board (connector board) and updated the front panel. They also updated the embedded software to v7.3.1
1622 2014-10-02 Lab none Shipped Factory Shipped to Licor for upgrade (sealing) of bottom connector circuit board.
1535 2014-09-04 West Pond Interface LI-7550 Removed Lab none Removed from the West Pond tower. In trying to swap the head, this box went into a reboot loop and we could not get it to complete a boot. This box also needs its connector circuit board upgraded to prevent condensation problems.
1145 2013-11-21 West Pond Interface LI-7550 Upgrade West Pond Interface LI-7550 The firmware of the 7550 box was upgraded from v6.5.2 to v6.5.5 to fix bugs with the USB memory overwrite and synchronizing the 7700 clock.
1056 2013-08-21 Lab none Installed West Pond Interface LI-7550 Installed on the West Pond tower to replace sn 0666 for clean up. This box was placed on the top level of the scaffolding to hopefully avoid the ants.
949 2013-02-14 Mayberry Tower Removed Lab none Removed from the Mayberry tower with head 2150 for upgrade at Licor
830 2012-10-30 Lab none Installed Mayberry Tower Installed on the Mayberry Tower to replace sn 0666 for repair.
769 2012-09-06 Twitchell Rice Interface LI-7500 Removed Lab none Removed from the Twitchell tower with head 2150. Replaced with AIU-0674 and 2176 head. This box would enter a reboot cycled when I tried to swap heads. It will be tested in the lab.
768 2012-05-07 Lab none Installed Twitchell Rice Interface LI-7500 Installed on the Twitchell tower with 7500A head 2150 replacing AIU-0397. The eddy system was reconfigured to start collecting data on this 7550 box. The CR1000 and older model 7500 head and box were removed.