--- product_id: 10335593 title: "Extech CO250 Portable Air Quality CO2 Meter with Datalogger" brand: "extech" price: "RM1894" currency: MYR in_stock: true category: "Extech" url: https://www.desertcart.com.my/products/10335593-extech-co250-portable-air-quality-co2-meter-with-datalogger store_origin: MY region: Malaysia --- # 99-record datalogger Portable, battery-powered Multi-parameter sensing Extech CO250 Portable Air Quality CO2 Meter with Datalogger **Brand:** extech **Price:** RM1894 **Availability:** ✅ In Stock ## Summary > 🌬️ Breathe smarter, work safer — your pocket-sized air quality guardian! ## Quick Answers - **What is this?** Extech CO250 Portable Air Quality CO2 Meter with Datalogger by extech - **How much does it cost?** RM1894 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.my](https://www.desertcart.com.my/products/10335593-extech-co250-portable-air-quality-co2-meter-with-datalogger) ## Best For - extech enthusiasts ## Why This Product - Trusted extech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Use Cases:** Ideal for offices, classrooms, labs, factories, and greenhouses where air quality impacts health and productivity. - • **Data-Driven Decisions:** Stores up to 99 data sets for trend analysis, compliance reporting, and workplace safety monitoring. - • **On-the-Go Portability:** Compact, lightweight design with large backlit LCD and intuitive keypad—perfect for field professionals. - • **Precision CO₂ Monitoring:** Advanced NDIR sensor delivers accurate readings up to 5,000 ppm for trusted indoor air quality insights. - • **Comprehensive Environmental Tracking:** Simultaneously measures temperature, humidity, dew point, and wet bulb for a full indoor climate profile. ## Overview The Extech CO250 is a professional-grade portable air quality meter featuring an advanced NDIR sensor for precise CO₂ measurement up to 5,000 ppm. It tracks multiple environmental parameters including temperature, humidity, dew point, and wet bulb, all displayed on a large backlit LCD. Designed for HVAC technicians, inspectors, and facility managers, it stores up to 99 readings for trend analysis and compliance. Lightweight and battery-powered, it’s the essential tool for ensuring healthy, safe indoor environments across diverse settings. ## Description Product Description The Extech CO250 Portable Indoor Air Quality CO₂ Meter is a professional tool for evaluating and maintaining healthy indoor environments. Designed with a high-accuracy NDIR sensor, it delivers precise carbon dioxide measurements up to 5,000 ppm, along with temperature, humidity, dew point, and wet bulb readings. Its portable handheld design and large backlit LCD make it easy to operate in the field, while the 99-record datalogging function allows convenient trend analysis and compliance documentation. Whether monitoring offices, schools, laboratories, factories, or greenhouses, the CO250 ensures accurate air quality insights for safety, comfort, and regulatory requirements. Built for HVAC technicians, building inspectors, and facility managers, this reliable meter provides the data needed to identify poor ventilation, optimize systems, and ensure safe indoor environments. From the Manufacturer Portable Indoor Air Quality CO2 Meter measures Carbon Dioxide (C02), Temperature, Humidity, Dew Point, and Wet Bulb. Checks for Carbon Dioxide (CO2) concentrations and calculates statistical weighted averages of TWA (8 hour time weighted average) and STEL (15 minute short term exposure limit). User programmable audible alarm. Data acquisition software and cable included to record and document CO2, Humidity and Temperature data. Complete with software and cable, 4 AA batteries, and carrying case. ## Features - Accurate CO₂ Monitoring - Measures carbon dioxide levels from 0 to 5,000 ppm using an advanced NDIR sensor for reliable indoor air quality testing - Multi-Parameter Measurement - Simultaneously tracks temperature, humidity, dew point, and wet bulb for complete indoor environmental assessment - Portable & User-Friendly Design - Compact handheld unit with large backlit LCD and intuitive keypad makes it easy for field technicians, inspectors, and HVAC professionals - 99-Record Data Storage - Built-in datalogger stores up to 99 sets of readings, ideal for trend monitoring, workplace safety checks, and compliance reporting - Versatile Applications - Perfect for offices, classrooms, laboratories, factories, greenhouses, and HVAC inspections where indoor air quality is critical ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0029V2GB4 | | Batteries | 4 AA batteries required. (included) | | Best Sellers Rank | #120,996 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #150 in Indoor Air Quality Meters | | Date First Available | May 14, 2009 | | Item Weight | 6.7 ounces | | Item model number | CO250 | | Manufacturer | Extech | | Product Dimensions | 2.76 x 2.24 x 7.87 inches | ## Images ![Extech CO250 Portable Air Quality CO2 Meter with Datalogger - Image 1](https://m.media-amazon.com/images/I/51Ap8KetxCL.jpg) ## Questions & Answers **Q: Does it data logging? If so, how can the data is recovered?** A: 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 **Q: Does it come with certificate of calibration?** A: The standard calibration price is $195. and the option is NIST Certificate. this will add 1 week to your order. **Q: If one does not pay to have it calibrated as in the other answer, how does the meter establish a baseline?** A: Turn it on outside for baseline readings. **Q: Can it be calibrated at a later date?** A: 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. ## Frequently Bought Together - Extech CO250 Portable Indoor Air Quality CO2 Meter/Datalogger - Extech LT45 LED Light Meter --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.my/products/10335593-extech-co250-portable-air-quality-co2-meter-with-datalogger](https://www.desertcart.com.my/products/10335593-extech-co250-portable-air-quality-co2-meter-with-datalogger) --- *Product available on Desertcart Malaysia* *Store origin: MY* *Last updated: 2026-09-20*