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Equipment and Calibration

Equipment Entry

Instrument:	Interface
Manufacture:	Licor
Model No:	LI-7550
Serial No:	AIU-1285
Tag No:
Acquisition Date:	2014-06-04
Project:	DWR-Wetland
Location on 2022-12-02:	Loaned,
Notes:	Came with TG1-0357, 75H-2514, wash box and assorted cables and hardware. Pressure coefficients A0=59.078, A1=15.504

Documents

Calibration: cal_Licor_LI-7550_snAIU-1285_20140219.pdf

History

Rec No.	Date	Loc From	Title	Loc To	Notes
5720	2022-03-07	Lab none	Installed	Loaned none	Installed on the urban flux tower on top of Berkeley Way West building
5719	2021-12-02	Lab none	Tested	Lab none	Tested in the lab and this interface ran fine when connected with another LI-7500A. The problem of no CO2/H2O data was caused by the LI-7500 sn 0418, not by this interface.
5620	2021-12-01	Mayberry Interface LI-7550	Removed	Lab none	Removed from Mayberry for testing and brought back to the lab. There were persistent error messages that prevented me from interacting with the software. Replaced by sn AIU-0614.
5289	2021-05-26	Mayberry Interface LI-7550	Upgrade	Mayberry Interface LI-7550	Upgraded firmware from v8.5.0 to v8.8.32
3221	2017-11-30	Mayberry Interface LI-7550	Upgrade	Mayberry Interface LI-7550	Downgraded from embedded software version 8.7.5 to version 8.5.0. This solves the problem of data-header mismatch we had with version 8.7.5.
3034	2017-08-16	Mayberry Interface LI-7550	Upgrade	Mayberry Interface LI-7550	The firmware was upgraded from v8.0.0 to v8.7.5
2243	2016-04-13	Mayberry Interface LI-7550	Upgrade	Mayberry 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
1667	2015-01-15	Lab none	Installed	Mayberry Interface LI-7550	Installed on the Mayberry tower to replace sn AIU-1285. The existing box had a mismatched head.
1635	2014-12-23	Mayberry Interface LI-7550	Removed	Lab none	Removed from the Mayberry tower for painting. Replaced by sn AIU-0614.
1597	2014-10-02	Mayberry Interface LI-7550	Upgrade	Mayberry Interface LI-7550	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.
1516	2014-08-19	Lab none	Installed	Mayberry Interface LI-7550	Installed on the Mayberry tower with 7700 sn TG1-0224 and 7500 sn 75H-2514 to replace the Ameriflux emergency response GHG system.