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 Air Quality Co2 Meter With Datalogger

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

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₩593172

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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Description

🌬️ Breathe smarter, work safer — your air quality ally on the move!

DATA DRIVEN DECISIONS - Stores up to 99 data sets enabling trend analysis and compliance reporting at your fingertips.
FIELD READY PORTABILITY - Compact, lightweight design with a large backlit LCD and intuitive keypad built for on-the-go professionals.
PRECISION CO₂ MONITORING - Advanced NDIR sensor delivers accurate readings up to 5,000 ppm for trusted indoor air quality insights.
VERSATILE APPLICATION SCOPE - Ideal for offices, classrooms, labs, factories, and greenhouses where air quality impacts health and productivity.
COMPREHENSIVE ENVIRONMENTAL TRACKING - Simultaneously measures temperature, humidity, dew point, and wet bulb for a full indoor climate profile.

The Extech CO250 Portable Air Quality CO₂ Meter is a professional-grade handheld device featuring an advanced NDIR sensor for precise CO₂ measurement up to 5,000 ppm. It simultaneously tracks temperature, humidity, dew point, and wet bulb temperatures, providing a comprehensive environmental snapshot. With a built-in datalogger storing 99 readings, it supports trend monitoring and compliance documentation. Designed for HVAC technicians, inspectors, and facility managers, its portable form factor and backlit LCD ensure ease of use in diverse indoor settings such as offices, schools, labs, and greenhouses. While highly accurate and reliable, users should note the need for additional accessories like a power supply and USB adapter for full data analysis capabilities.

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

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₩593172

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered 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 South Korea.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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Extech CO250 Portable Air Quality CO2 Meter with Datalogger

Description

Specifications

Common Questions