Does it data logging? If so, how can the data is recovered?

Built-in RS-232 interface for capturing readings on PC * Data acquisition software and cable included to record and document CO2, Humidity and Temperature data

Does it come with certificate of calibration?

The standard calibration price is $195. and the option is NIST Certificate. this will add 1 week to your order.

If one does not pay to have it calibrated as in the other answer, how does the meter establish a baseline?

Turn it on outside for baseline readings.

Can it be calibrated at a later date?

Thank you for your question. The calibration for new item is made by the manufacturer, so it is not possible to set up the later date.

Extech Co250 Portable Indoor Air Quality Co2 Meter Datalogger

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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€ 911.41

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌬️ Breathe smarter, work safer — the CO250 keeps your air quality in check!

RELIABLE BRAND BACKING - From Extech, a trusted name in precision environmental instruments.
ADVANCED EXPOSURE ANALYTICS - Calculate 8-hour TWA and 15-minute STEL to ensure workplace safety compliance.
READY TO USE OUT OF THE BOX - Includes 4 AA batteries so you can start monitoring immediately—no extra purchases needed.
COMPACT LIGHTWEIGHT DESIGN - Weighing just 190g and pocket-sized for effortless portability during inspections.
COMPREHENSIVE AIR QUALITY MONITORING - Track CO2, temperature, humidity, dew point & wet bulb for a full environmental snapshot.

The Extech CO250 is a portable indoor air quality meter and datalogger that measures CO2, temperature, humidity, dew point, and wet bulb. It calculates critical exposure metrics like TWA and STEL, comes lightweight and compact with included AA batteries, making it ideal for professionals ensuring safe and healthy indoor environments.

Specifications

ASIN	B0029V2GB4
Are batteries included?	Yes
Batteries	4 AA batteries required. (included)
Best Sellers Rank	#242,480 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #438 in Indoor Air Quality Meters #943 in Home Improvement Tools & Testers
Brand	Extech
Country of Origin	USA
Customer Reviews	3.9 3.9 out of 5 stars (18)
Date First Available	12 August 2012
Item Dimensions LxWxH	7 x 5.7 x 20 Centimeters
Item Height	20 Centimeters
Item Weight	190 g
Item Width	5.7 Centimeters
Item model number	CO250
Lithium Battery Packaging	Batteries contained in equipment
Lithium battery weight	190 Grams
Manufacturer	Extech
Model number	CO250
Number of Memory Sticks	1
Product Dimensions	7 x 5.7 x 20 cm; 189.94 g

Common Questions

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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The delivery time was excellent, and the packaging was secure.

2 months ago

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Customer service was outstanding when I had questions about the product.

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€ 911.41

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Cyprus.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Extech CO250 Portable Indoor Air Quality CO2 Meter/Datalogger

Description

Specifications

Common Questions