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General| Model | EGM-4 |
|---|---|
| Display | LCD |
| Application | Environmental monitoring |
| Resolution | 0.1 ppm for CO2 |
| Power Supply | Rechargeable Lithium-ion Battery |
| Battery Life | Up to 8 hours |
| Dimensions | 220 x 100 x 50 mm |
Factory calibrated system; recalibration procedures mentioned.
Registering customers for updates and access to user sections.
Risk of water entering analyzer; filter recommendations.
Explanation of the non-dispersive infrared gas analysis technique.
Description of the 2x16 character backlit LCD display.
Details on connecting external sensors and probe types.
Information on setting analog voltage and 4-20 mA outputs.
Information on the RS232 port for data transfer.
Function of the soda lime column for CO2 scrubbing.
Description of soda lime, its function, and replacement.
Explanation of keypad functions and description of gas ports.
Internal batteries, powering options, and NiMH battery usage.
Procedure for charging the internal 12V NiMH battery.
Technical specifications of the AC adapter/charger.
How to turn the instrument on and off.
Overview of the Main Menu options and instrument navigation.
Starting recording, probe types, and display structures for various modes.
Display structures for standalone CO2 analysis.
Detailed breakdown of display screens in measurement mode.
How to change the plot number for recorded data.
Display structures for environmental monitoring with sensors.
Conversions for PAR, %RH, and temperature sensor data.
Display structures for porometer measurements.
Procedures for closed system soil respiration measurements.
Guide for using PAR sensor with SRC-1 chamber.
Display structure for oxygen measurements.
Procedures for open system soil respiration measurements.
Understanding system equilibrium and response times for chambers.
Formulas for calculating fluxes from chamber measurements.
Accessing system settings like probe type and zero type.
Using 1EGM to set the EGM-4 display for intended application.
Selecting between Auto, Manual, or External zero modes.
Setting the interval for automatic zero checks.
Enabling or disabling the internal sampling pump.
Procedure for injecting samples directly into the sample cell.
Setting the averaging limit for readings.
Configuring manual or automatic recording intervals.
Setting high and low CO2 alarm thresholds.
Setting low alarm thresholds for CO2 concentration.
Setting high alarm thresholds for CO2 concentration.
Checking and setting the analog voltage output range.
Procedure for connecting calibration gas to the EGM-4.
Viewing stored data directly on the LCD display.
Transmitting stored data to a PC using software.
Logging measured data and format of data records.
List and description of error codes and possible causes.
EGM serial outputs and procedure to clear stored memory.
Viewing and setting the instrument's real-time clock.
Checking system diagnostics and resetting to factory defaults.
Procedures for inspecting and replacing the soda lime desiccant.
Guidance on replacing fuses, infrared source, EPROM, and zero valve.
Procedures for managing batteries and cleaning the air sampling pump.
Importance of checking and replacing the hydrophobic filter assembly.
List of available replacement parts and consumables for the EGM-4.
Blank section for user to record notes.
