Equipment and Calibration

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Equipment Entry

Instrument: Interface Manufacture: Licor Model No: LI-7550 Serial No: AIU-1870 Tag No: NULL Acquisition Date: 2017-04-28 Project: Ameriflux Location on 2023-07-10: Vaira, NULL Notes: Ameriflux management program (AMP). One of three LI-7550 Analyzer Interface Units they provided for upgrading Tonzi/Vaira LI-7550s.

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History

Rec No.	Date	Loc From	Title	Loc To	Notes
6316	2023-07-10	Vaira none	Notes	Vaira none	Pressure coefficients found in a calibration file. A0=58.383 A1=15.574
5302	2021-06-02	Vaira Interface LI-7550	Upgrade	Vaira Interface LI-7550	The firmware was upgraded from v8.5.0 to v8.8.32 for standardization with the Delta Licor systems
3366	2018-03-06	Vaira Interface LI-7550	Upgrade	Vaira Interface LI-7550	Downgraded from embedded software version 8.7.5 to version 8.5.0 so that the interface version is consistent across the lab. We had to downgrade other interfaces to 8.5.0 to solve the data-header mismatch we had with version 8.7.5.
2974	2017-08-17	Vaira Interface LI-7550	Upgrade	Vaira Interface LI-7550	We upgrade the firmware from v8.5.0 to v8.75
2760	2017-05-11	Lab none	Installed	Vaira Interface LI-7550	Installed at Vaira to replace interface interface AIU-650.