Extech Instruments CO260 User Manual

User Manual
Carbon Monoxide (CO) and Carbon Dioxide (CO
2
) Meter
With Air Temp/RH Measurements and Dew Point/Wet Bulb calculations
Model CO260
Additional User Manual Translations available at www.extech.com

Extech Instruments CO260 Specifications

General

CO2 Resolution	1 ppm
Temperature Resolution	0.1°F/°C
Humidity Resolution	0.1% RH
Display	LCD
Data Logging	Yes
Operating Temperature	32 to 122°F (0 to 50°C)
CO2 Accuracy	±50ppm ±3% of reading
Operating Humidity	10 to 90%RH
Power Supply	4 x AA batteries

Summary

Introduction and Features

Introduction

Provides a welcome message and overview of the Extech CO260 meter's capabilities and benefits for IAQ analysis.

Safety Information

Important Carbon Monoxide Safety Notes

Highlights critical safety precautions and limitations regarding the use of the CO260 for carbon monoxide monitoring.

Effects of Carbon Monoxide Poisoning

Warning

Ensures the meter is powered and at room temperature before measurements for accuracy.

Regulatory Exposure Limits for Carbon Dioxide

Lists various regulatory standards for CO2 concentration in occupied buildings and workplaces.

Descriptions

Meter Components

Identifies and labels the physical parts of the CO260 meter.

LCD Display Elements

Explains the various symbols and readings shown on the meter's LCD screen.

LCD Symbols Glossary

Provides a comprehensive list and definition of all symbols appearing on the LCD display.

Keypad Functions

Keypad Button Operations

Details the functions and operations associated with each button on the meter's keypad.

Battery Installation and Handling

Guides on how to install batteries and provides important notes on disposal and power sources.

Powering and Taking Measurements

Powering the Meter

Instructions on how to turn the meter on and off, including warm-up procedures.

Taking Measurements

General guidance on how the meter measures various parameters and sensor response times.

Measuring Carbon Dioxide (CO2)

Step-by-step instructions for measuring CO2 levels, including placement and display interpretation.

Measuring Carbon Monoxide (CO)

Instructions for measuring CO levels, including alarm alerts and display behavior.

Measuring Air Temperature and Calculating Dew Point/Wet Bulb

Procedures for measuring temperature and calculating dew point and wet bulb temperatures.

Measuring Relative Humidity (%)

Steps to measure and display the relative humidity percentage.

Advanced Functions and Data Management

Data Hold Function

Explains how to freeze readings on the display and notes its limitations.

Display Backlight

Describes the function and activation of the meter's display backlight.

MIN, MAX, STEL, TWA Recording

Details how to view and record minimum, maximum, STEL, and TWA values.

Manual Data Recording

Instructions on how to manually store up to 99 readings with associated data.

Additional Functions and Alarms

Recalling Manually Stored Readings

Guides on how to retrieve and view previously saved manual readings.

Automatic Datalogging

Explains the automatic data logging feature, including sample rates and storage capacity.

CO Alarm

Describes the audible CO alarm feature and its threshold settings.

Auto Power OFF

Details the automatic power-off function and how to disable it.

Setup Mode and Calibration

Setup Mode Overview

Instructions on how to enter and exit the meter's setup mode.

P10 Clearing Manual Recording Memory

Procedure for erasing all manually stored readings from the meter's memory.

P20 Setting the CO Alarm

Guides on setting the CO alarm threshold level and its range.

P30 Changing Temperature Units

Instructions for switching temperature units between Celsius (°C) and Fahrenheit (°F).

P40 Setting Datalogging Sampling Rate

Details on configuring the sampling rate for automatic data logging.

P50 Changing Barometric Pressure Compensation

Procedure to adjust barometric pressure compensation for CO2 measurements.

P60 Setting the Real-Time Clock

Instructions for setting the meter's internal clock and date.

RH Calibration Procedure

Guidance on calibrating the relative humidity sensor using specific salt solutions.

Calibration and PC Interface

33% Calibration

Step-by-step instructions for performing the 33% humidity calibration.

75% Calibration

Step-by-step instructions for performing the 75% humidity calibration.

PC Interface

Information on connecting the meter to a PC and using the associated software.

Specifications

Measurement Specifications

Detailed technical specifications including range, resolution, and accuracy for all measured parameters.

Device Specifications

Details on display, response time, sensor types, operating and storage conditions, power, and dimensions.

Troubleshooting and Maintenance

Troubleshooting Common Errors

Lists common error codes and problems with their corresponding solutions for the meter.

Cleaning and Storage

Provides guidelines for proper cleaning and storage of the meter.