LI-COR LI-850 User Manual

Using the LI-830 and
LI-850 Gas Analyzers

LI-COR LI-850 Specifications

General

Brand	LI-COR
Model	LI-850
Category	Measuring Instruments
Language	English

Summary

Section 1. General Description

Initial Connection and Setup

Step-by-step guide for the initial setup, including software installation and air filter connection.

The Terminal Strip

Powering the Instrument

Section 2. Configuring the Gas Analyzer

Software Overview and Graphing

Data Logging to PC

Guide to setting up and initiating data logging to a PC, including file setup and value selection.

Instrument Settings and Outputs

Operational Options and Alarms

Pump Usage

Section 3. Troubleshooting

Instrument Power Issues

Steps to diagnose and resolve issues related to the instrument failing to power on.

Calibration and Zeroing Problems

Procedures for troubleshooting and resolving problems with zeroing or spanning the gas analyzer.

Erratic or Invalid Readings

Guidance on addressing erratic readings or specific error messages like -50 ppm CO2.

Section 4. Maintenance

User Calibration Procedures

Instructions on performing user calibration, including zero and span adjustments.

CO2 Zero and Span Calibration

Detailed steps for establishing CO2 zero and span for accurate measurement calibration.

H2O Calibration and Span Recovery

Optical Bench Cleaning

Comprehensive guide on removing, cleaning, and reassembling the optical bench for maintenance.

Fuse Replacement