Extech Instruments CO10 User manual

User's Guide

Carbon Monoxide Meter

Model CO10

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CO10-EU-EN v2.3 12/13

Introduction

Congratulations on your purchase of the Extech C010 Carbon Monoxide Meter. The CO10

measures and displays CO concentrations between 0 and 1000 parts per million (ppm).

Safety Information

Carbon monoxide is life threatening even at relatively low concentrations; learn

and recognize the effects of CO poisoning (see Table below). Do not use this

meter as a personal safety monitoring device.

Effects of CO poisoning

0-1 PPM Normal background levels

9 PPM Maximum indoor air quality level

50 PPM Maximum 8 hour average exposure level

200 PPM Mild headache, fatigue, nausea and dizziness

400 PPM Frontal headache, life threatening after 3 hours

800 PPM Dizziness, nausea, convulsions, DEATH WITHIN 2 TO 3 HOURS

1600 PPM Nausea within 20 minutes, DEATH WITHIN 1 HOUR

12800 PPM DEATH WITHIN 2 TO 3 MINUTES

Ensure that the meter is turned on in an area free of

CO. If not, the meter will read incorrectly when

subsequently measuring CO.

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CO10-EU-EN v2.3 12/13

Meter Description

1. LCD display

2. Power ON/OFF key

3. MODE key

4. Power on/Alarm light

5. SEL key

6. Sensor

7. Battery compartment

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CO10-EU-EN v2.3 12/13

Operation

MEASUREMENTS

IMPORTANT: Ensure that the meter is turned on in an area free of CO. If not, the meter will

read incorrectly when subsequently measuring CO.

1. Press the ON/OFF button to turn the meter on.

Allow time for the meter to perform the self test and for the display to

settle.

2. To use the meter, trace the CO10 around the area of the suspected

leak.

3. The meter will indicate the presence of CO (in ppm) on the LCD display. An audible beep will

sound at 35 ppm alerting the user that the threshold of dangerous CO levels has been

detected. The higher the concentration of CO, the faster the beeper will sound. Above 200PPM

the beeper will sound continuously.

4. To turn the meter off, press the ON/OFF key. If the meter is left on, the meter will automatically

power off after 15 minutes.

MODE Button Functions

Press the MODE button to step through the following functions..

1. Maximum Data Mode: Displays the highest reading taken. This reading

is cleared when the meter is powered off.

2. Recall Data Mode: Press the SEL button to step through and recall the

data from the 10 memory locations. The current memory location (0-9)

is displayed in the top right.

3. Store Data Mode: In this mode, you can store the reading to the next

available memory location by pressing the SEL button. “REC” is

displayed in the top right.

4. Recall Alarm Mode: The meter will display the alarm level data setting

─“30ppm”.

Zero Mode: Press the SEL button for over 8 seconds to enter the

manual zero adjusting mode. The zero value will blink and then the

display will 0 and the meter will return to the Measure Mode.

5. Measuring Time Mode/Auto Power Off disable: This mode will

display how long the meter has been on taking measurements. The

time is cleared when the meter is powered off. The auto power off

function is disabled in this mode. In all other modes, auto power off is

enabled and will power off after 15 minutes of inactivity.

6. Audible Alarm Enable/Disable:The audible alarm can be turned on/off

by pressing the SEL button. “on” or “off” will be displayed on the LCD.

The alarm light will remain enabled in either setting.

Backlight In the measure mode press and hold the SEL button for 4 seconds to turn the backlight

on/off. Press the MODE button to enter maximum data mode.

MAX

REC

MEM

REC

Time

PPM

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CO10-EU-EN v2.3 12/13

Specifications

Measurement range 0-1000 ppm

Resolution 1 ppm

Accuracy ±5% or ±10 ppm (whichever is greater)

Sensor Type Stabilized electrochemical Gas-specific (CO)

Sensor Life (Typical) 3 years

Warm-up Period <2 seconds

Power supply 9V Battery (NEDA 1604 or IEC6F22)

Battery life Approx. 50 hours with alkaline battery

Operating Temperature 0 to 50oC (32 to 122oF)

Storage Temperature -30 to 60oC (-22 to 140oF)

Operating Humidity 0 to 99% RH (non condensing)

Dimensions 160 x 56 x 40mm (6.3 x 2.2 x 1.57”)

Weight 180g (6.35oz)

You, as the end user, are legally bound (EU Battery ordinance) to return all used

batteries, disposal in the household garbage is prohibited! You can hand over your

used batteries / accumulators at collection points in your community or wherever batteries

/ accumulators are sold!

Disposal: Follow the valid legal stipulations in respect of the disposal of the device at the

end of its lifecycle

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