Extech Instruments EA80

User Manual
Indoor Air Quality Meter/Datalogger
Model EA80
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Extech Instruments EA80 Specifications

General

Brand	Extech Instruments
Model	EA80
Category	Measuring Instruments
Language	English

Summary

Description

Preparation for Use

Power Supply

Details on powering the meter using batteries or AC adapter.

Installing the Batteries

Instructions for inserting the required batteries.

AC Adapter

Information on using the AC adapter for power.

Gas Inlet

Operation

Taking Measurements

General guidance on how to take measurements.

Selecting temperature units of measure (CF)

How to switch between Celsius and Fahrenheit.

CO2 Measurement

Procedure for measuring Carbon Dioxide levels.

Humidity Measurement

Temperature Measurement

Dew Point Temperature Measurement

Wet Bulb Temperature Measurement

CO2 Maximum and Minimum Recording Measurement

CO2 Alarm Operation

Setting the Alarm Limit Values

Procedure for setting high and low CO2 alarm thresholds.

Turning Alarm On Off

How to activate or deactivate the CO2 alarm function.

Manual Datalogging

Storing readings

Viewing readings

Deleting stored data

Auto Datalogging

Setting interval time

Auto Datalogging mode

Deleting Logged Data

Calibration

CO2 Calibration

Procedure for calibrating the CO2 sensor.

Humidity Calibration

Procedure for calibrating the Humidity sensor.

Temperature Calibration

Procedure for calibrating the Temperature sensor.