Is it accurate enough to mesure outdoor CO levels (<10 ppm)?

resolution is 1 PPM but accuracy in 0-100 range is +-20%, so Mfg states it is tested at 25 PPM as the lowest level it can accurately sense. so you'll have to pay a lot more for 10%

can i leave on table to continuously scan or do i need to be pressing a button ?

it does update in real time but it has an auto power down feature that turns it off after a few minutes of inactivity. Not sure if this can be disabled or not.

Can this be left on continuously? Can the auto power-off be disabled?

Hello, thanks for your question, unfortunately, is not possible to disable the auto-power-off feature fo this meter. If you have any questions, feel free to contact us at our technical support line at 866-477-3687 option 3

What type of sensor does it have?

Thank you so much for your interest in our products. The sensor included with the C15 is an electrochemical sensor.

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Q: Is it accurate enough to mesure outdoor CO levels (<10 ppm)?

resolution is 1 PPM but accuracy in 0-100 range is +-20%, so Mfg states it is tested at 25 PPM as the lowest level it can accurately sense. so you'll have to pay a lot more for 10%

Q: can i leave on table to continuously scan or do i need to be pressing a button ?

it does update in real time but it has an auto power down feature that turns it off after a few minutes of inactivity. Not sure if this can be disabled or not.

Q: Can this be left on continuously? Can the auto power-off be disabled?

Hello, thanks for your question, unfortunately, is not possible to disable the auto-power-off feature fo this meter. If you have any questions, feel free to contact us at our technical support line at 866-477-3687 option 3

Q: What type of sensor does it have?

Thank you so much for your interest in our products. The sensor included with the C15 is an electrochemical sensor.

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Description

🌬️ Breathe smarter, work safer — the ultimate indoor air guardian.

CUSTOMIZABLE SAFETY ALERTS - Set your own CO warning levels with an audible alarm to stay ahead of hazardous air quality.
ROBUST DATA LOGGING ANALYSIS - Capture up to 32,000 readings continuously and analyze weighted averages for workplace compliance.
ADVANCED NDIR SENSOR TECHNOLOGY - Maintenance-free infrared sensor ensures ultra-accurate CO2 readings for safer environments.
PORTABLE USER FRIENDLY DESIGN - Lightweight, backlit LCD display with included software and hard case—perfect for on-the-go professionals.
COMPREHENSIVE AIR QUALITY TRACKING - Monitor CO, CO2, temperature, humidity, dew point & wet bulb all in one sleek device.

The Extech CO260 is a portable indoor air quality monitor that precisely measures carbon monoxide, carbon dioxide, temperature, humidity, dew point, and wet bulb temperatures. Featuring a maintenance-free NDIR CO2 sensor, programmable audible CO alarms, and continuous data logging up to 32,000 readings, it’s designed for professionals who demand reliable, real-time air safety insights in offices, schools, industrial sites, and more.

Specifications

Brand	Extech
Style	CO260
Power Source	Battery Powered
Item Weight	0.42 Pounds
Alarm	Audible
Sensor Type	Non Dispersive Infrared
Global Trade Identification Number	00793950502600
Number of Items	1
Manufacturer	Extech
UPC	793950502600
Part Number	CO260
Item Weight	6.7 ounces
Product Dimensions	2.7 x 2.3 x 7.9 inches
Item model number	CO260
Batteries	4 AA batteries required. (included)
Is Discontinued By Manufacturer	No
Item Package Quantity	1
Measurement System	Metric
Included Components	Air quality meter, 4 AA batteries, USB cable, PC software, hard case and user manual
Batteries Included?	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline

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