User manual

EXTECHINSTRUMENTS
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Introduction
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Thank you for selecting the Extech Instruments Model CO30. The CO30 is a 3‐in‐one Carbon
Monoxide (CO), temperature measurement, and humidity measurement meter. This device is
shipped fully tested and calibrated and, with proper use, will provide years of reliable service.
Please visit our website  (www.extech.com) to check for the latest version of this User Guide,
ProductUpdates,andCustomerSupport.
Description
MeterDescription
1. Compensationadjustment
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2. Controlbutton
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3. ACAdaptorjack
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4. LCDDisplay
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5. LEDindicator
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Note:TiltStand,Wallmountaccess,andbattery compartmentlocatedonrearofmeter.
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IMPORTANTSAFETYNOTES
TheCO30CarbonMonoxideMonitorisintendedforgeneralpurposeAirQualitymonitoring
only,andhasnotbeencertifiedforusepursuanttoanystateorcitysafetyCarbonMonoxide
AlarmorMonitoringrequirements.
TheCO30CarbonMonoxideMonitorhasnotbeentestedbyanindependentlabtocomplywith
UL
2034orIAS6‐96standard.
It is the responsibility of the  customer to obtain and apply current local, state, and national
regulationswithregardtoCOalarms,monitoringandtesting.
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