Equipment and Calibration

View History

Equipment Entry

Instrument: Gas Analyzer Manufacture: Licor Model No: LI-7500 Serial No: 1653 Tag No: Acquisition Date: 0000-00-00 Project: Borrowed Location on 2011-11-03: Returned, Notes: Borrowed from Frank for an emergency replacement at Varia

Documents

Manual: 7500SoftwareUpdate.pdf
Manual: LI-7500_fieldnote_solar_sensitivity.pdf
Manual: LI-7500_letter_explaining_solar_sensitivity.pdf
Manual: LI-7500_Manual_V4_200410.pdf

History

Rec No.	Date	Loc From	Title	Loc To	Notes
444	2011-11-03	Lab none	Calibration	Lab none	Last calibration: 2011-03-16 AGC=52 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=100.12kPa, Tair=18.45C, Tdew=7.99C Zero Air at 700psi, CO2 in Air 410.49 at 1900 Tdewspan=13.0 CO2 zero 0.9237 -> 0.9232 Offset: -2.05ppm CO2 span 1.0118 -> 1.0103 Offset: 0.86ppm H2O zero 0.8762 -> 0.8756 Offset: -3.7ppm H2O span 0.9831 -> 0.9407 Offset: 0.98ppm Notes: Frank's briefly borrowed for use on Vaira.