Table of Contents
| 1 | General information |
| 2 | Configuring the LI-7700 |
| 3 | Field installation |
Collect data on the gas analyzer position
| 4 | Logging CH4 data in .ghg data files |
Configuring the LI-7700 output rate and time setting
Connecting the LI-7700 with the eddy covariance system
| 5 | Operation with the LI-7550 |
Configuring the LI-7550 clock, outputs, and inputs
| 6 | Data files |
| 7 | Troubleshooting |
Instrument not visible in software when connected using Ethernet
Signal strength (RSSI) excessively low
Lower mirror spin motor runs loudly at start-up
Temperature readings are unreasonable
LI-7700 not visible on the network
Optics RH warning in the software or diagnostic data
Data loss during night/morning hours
Washer fluid used up too quickly
Methane density data near zero, negative, or otherwise unbelievable
Instrument does not keep time when disconnected from power supply
| 8 | Maintenance |
Changing the internal desiccant bottle
User calibration: zero and span
Additional details regarding the equations and flux calculations are in the instruction manual.
| A | The LI-7700 finder application |
| B | Suppliers |
| C | Configuration grammar |
| D | Specifications |
Instruction Manuals
LI-7700 Open Path CH4 Analyzer Instruction Manual
(7700_Manual_10751.pdf)
Click on this link to download the LI-7700 instruction manual.