Equipment and Calibration History
History for Licor LI-7550 AIU-0397
| Rec No. | Date | Loc From | Title | Loc To | Notes |
|---|---|---|---|---|---|
| 5244 | 2021-04-15 | East End Interface LI-7550 | Upgrade | East End Interface LI-7550 | Upgraded firmware from v8.5.0 to v8.8.32 |
| 3239 | 2017-12-18 | East End Interface LI-7550 | Upgrade | East End Interface LI-7550 | The embedded software was upgraded from v8.0.0 to v8.5.0 |
| 2239 | 2016-04-13 | East End Interface LI-7550 | Upgrade | East End Interface LI-7550 | 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. |
| 1913 | 2015-07-20 | Lab none | Installed | East End Interface LI-7550 | Installed on the East End Tower to upgrade the eddy system - replacing older equipment |
| 1685 | 2015-01-30 | Factory | Returned | Lab none | Returned from Licor on RMA 00186965. Licor says: Inspected the unit and found the LI-7550 would not power up. Found multiple power supplies shorted due to ants getting
inside the LI-7550. Removed ants, replaced the defective analog board and subjected the unit to environmental tests. |
| 1684 | 2015-01-08 | Lab none | Shipped | Factory | Shipped to Licor for repair on RMA 00186965. During a lab calibration, this box suddenly restarted and then quit. No power light. Power was getting to the main boards. |
| 1618 | 2014-10-09 | Mayberry-Portable | Removed | Lab none | Removed with the rest of the portable tower equipment. End of the portable tower campaign. |
| 1596 | 2014-10-02 | Mayberry-Portable | Upgrade | Mayberry-Portable | Updated the 7550 firmware from v7.0.1 to v7.3.0. Fixed bug that can cause the instrument to restart unexpectedly, added 7700 data to interface can view/log power Vin, other minor bug fixes. |
| 1508 | 2014-04-28 | Mayberry Gas Analyzer CO2/H2O | Installed | Mayberry-Portable Gas Analyzer CO2/H2O | Installed on the Mayberry Portable tower with LI-7500 sn 75H-2176 and LI-7700 sn TG1-0224. This tower is mounted in the back of Dennis's truck and will be moved between two locations on a roughly weekly basis. |
| 1322 | 2014-04-28 | Mayberry Gas Analyzer CO2/H2O | Removed | Mayberry-Portable Gas Analyzer CO2/H2O | Removed from the permanent Mayberry tower with the wash box and installed on the portable tower. Replaced by Ameriflux sn AIU-0915 |
| 1595 | 2014-03-07 | Mayberry Gas Analyzer CO2/H2O | Upgrade | Mayberry Gas Analyzer CO2/H2O | Updated the 7550 firmware from v6.5.5 to v7.0.1. Improved interface, support for SmartFlux, bug fixes. |
| 1144 | 2013-11-21 | Mayberry Gas Analyzer CO2/H2O | Upgrade | Mayberry Gas Analyzer CO2/H2O | 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. |
| 951 | 2013-02-14 | Lab none | Installed | Mayberry Gas Analyzer CO2/H2O | Installed to replace sn 0614 for upgrade at Licor |
| 928 | 2013-02-11 | Factory | Upgrade | Lab none | Returned from Licor with 75H-2182 after repair for the condensation problem. The external connector circuit board at the bottom of the box has been completely sealed. New firmware v6.0.0 has been loaded on the box and requires new Windows interface software. Pressure Sensor sn PX-2379 A0=57.091, A1=15.210. |
| 904 | 2013-01-10 | Lab none | Shipped | Factory | Sent to Licor with H-2182 for fix of condensation problem |
| 877 | 2013-01-03 | West Pond Interface LI-7550 | Removed | Lab none | Removed from the West Pond tower for repair of the condesation problem. Replaced by AIU-0666. Heads swapped for calibration at the same time. |
| 876 | 2012-11-08 | Lab none | Installed | West Pond Interface LI-7550 | Installed on the West Pond tower to swap out AIU-650 for repair of the condensation problem. |
| 827 | 2012-10-30 | Twitchell Rice-Trailer | Removed | Lab none | Removed from the portable tower idle at Twitchell. This box will be used as a spare to cycle all boxes to Licor for upgrade. |
| 820 | 2012-10-25 | Mayberry-Portable | Removed | Twitchell Rice-Trailer | Removed with the Mayberry Portable Tower and parked with the truck near the rice trailer on Twitchell |
| 732 | 2012-05-10 | Lab none | Installed | Mayberry-Portable | Installed with the Mayberry Portable tower in the back on the truck. |
| 767 | 2012-05-09 | Lab none | Upgrade | Lab none | I updated the firmware in this 7550 box to support the new 7500A heads. This box was originally bought with only a 7700 and came with firmware that did not support the 7500s. |
| 766 | 2012-05-07 | Twitchell Rice Interface LI-7500 | Removed | Lab none | Removed from the Twitchell tower. Replaced with 7550 sn AIU-0614 and 7500A sn 2150. |
| 765 | 2012-01-17 | Lab none | Installed | Twitchell Rice Interface LI-7500 | Installed with LI7700 sn TG1-0211. Connected to the CR1000 by SDM. This box came with LI7700 sn TG1-0155 and is not CO2/H2O enabled. This means the SDM interface provides the 7700 data. |