Equipment and Calibration History

History for Licor LI-7550 AIU-1557

Rec No.DateLoc FromTitleLoc ToNotes
4593 2020-07-09 Loaned Disposed Disposed Given to Sabina of Hydrofocus. The DWR grant ended at the end of June 2020, and Bryan requested we hand off a tower to Hydrofocus.
4563 2020-07-09 Sherman Barn Interface LI-7550 Removed Loaned none Removed from Sherman Barn with its decommissioning and given to Sabina of Hydrofocus. The DWR grant ended at the end of June 2020, and Bryan requested we hand off a tower to Hydrofocus.
4498 2020-05-21 Sherman Barn Interface LI-7550 Upgrade Sherman Barn Interface LI-7550 Upgraded firmware from 8.5.0 to 8.8.32. It should have this update from version 8.8.15 to help with our 7550/7700 clock sync errors: "Revamped code that logs LI-7700 methane data with CO2 data in order to prevent missing LI-7700 data."
3574 2018-07-11 Lab none Installed Sherman Barn Interface LI-7550 Installed at Sherman Barn on the scaffolding frame in the southwest corner of the cow fence. This is the initial set up of the site.
3533 2018-06-13 Twitchell Alfalfa Interface LI-7550 Removed Lab none Removed with Twitchell Alfalfa site decommissioning.
3267 2017-12-18 Twitchell Alfalfa Interface LI-7550 Upgrade Twitchell Alfalfa Interface LI-7550 The software on this 7550 box was down graded from v8.7.5 to v8.5.0
2991 2017-08-23 Twitchell Alfalfa Interface LI-7550 Upgrade Twitchell Alfalfa Interface LI-7550 The firmware was upgraded from v8.0.0 to v8.7.5
2568 2016-12-29 Lab none Installed Twitchell Alfalfa Interface LI-7550 Installed at Twitchell Alfalfa after old AIU was damaged in rain. Installed together with 7500 head sn 75H-2514
2561 2016-12-23 Lab none Upgrade Lab none I updated the embedded software from v7.5.0 to v8.0.0 and added settings for use at non-CH4 site (TA).