Posts Tagged ‘gas analyzer’
Obtaining Calibration Coefficients for Your LI-COR Gas Analyzer(s) Online
Tuesday, June 4th, 2013
The calibration coefficients for LI-COR gas analyzers are factory installed, or may be re-entered if the instrument is returned for service at LI-COR. If the original calibration certificate that was sent with the instrument is misplaced, you can get a copy of it from LI-COR’s technical support web page by following these steps: 1. Go…
Read More...Tags: calibration, gas analyzer
Posted in LI-7000, LI-7200, LI-7500A, LI-840A, Tech Tips | No Comments »
Adjusting Timestamps for Daylight Savings Time (DST)
Tuesday, May 7th, 2013
In flux data analysis it is common to compare the local site data with data from other sites that are in regional or global flux networks (eg. AmeriFlux, FluxNet, AsiaFlux). The issue of timestamp is important for such comparisons and using a time stamp that adjusts for Daylight Savings Time (DST) complicates the comparison because…
Read More...Tags: flux, gas analyzer, LI-7200, LI-7500A, LI-7700
Posted in Gas Analyzers, LI-7200, LI-7500A, LI-7700, Tech Tips | No Comments »
How to Interpret the Diagnostic Values from the LI-7500A and LI-7200 CO2/H2O Gas Analyzers
Wednesday, November 28th, 2012
The diagnostic values output by the LI-7500A and LI-7200 CO2/H2O gas analyzers indicate whether or not your instruments are working normally, and what might have gone wrong in case of a malfunction. Here are the two steps for interpreting the diagnostic values: 1. Convert the diagnostic values from decimal to binary format The LI-7500A and…
Read More...Tags: gas analyzer, gas exchange, LI-7200, LI-7500A
Posted in Gas Analyzers, LI-7200, LI-7500A, Tech Tips | No Comments »
Troubleshooting Ethernet Connectivity Issues with LI-COR Gas Analyzers
Wednesday, July 25th, 2012
Newer generations of LI-COR gas analyzers are Internet Protocol (IP) enabled devices that enable remote connectivity over wired or wireless networks. Below are some tips to troubleshoot Ethernet connectivity issues when connecting to an instrument directly through Ethernet or over a network. 1. Using a wired and a wireless network at the same time can…
Read More...Tags: Ethernet, gas analyzer, gas exchange, LI-7200, LI-7500A, open path analyzer
Posted in LI-7200, LI-7500A, LI-7700, Tech Tips | No Comments »
Summer and Winter Settings for LI-7500A and LI-7200 Gas Analyzers
Tuesday, January 24th, 2012
The LI-7200 and LI-7500A gas analyzers regulate the temperature of the chopper motor housing to ensure stable performance over the entire operating temperature range of -25 to +50 °C. The Settings tab of the LI-7200/LI-7500A Windows application software has an Advanced tab that provides options for selecting summer (30 °C) and winter (5 °C) settings…
Read More...Tags: CO2, eddy covariance, gas analyzer, LI-7200, LI-7500A
Posted in Gas Analyzers, LI-7200, LI-7500A, Tech Tips | No Comments »
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