--- product_id: 205680453 title: "CO2 Meter Handheld CO2 Monitor 9999ppm Measuring Range Carbon Dioxide Detector NDIR Sensor Air Quality Temperature Humidity Meter" brand: "gain express" price: "R6612" currency: ZAR in_stock: true reviews_count: 8 category: "Gain Express" url: https://www.desertcart.co.za/products/205680453-co2-meter-handheld-co2-monitor-9999ppm-measuring-range-carbon-dioxide store_origin: ZA region: South Africa --- # Audible alarm for CO2 threshold Battery or 9V adapter powered Triple display: CO2, Temp, Humidity CO2 Meter Handheld CO2 Monitor 9999ppm Measuring Range Carbon Dioxide Detector NDIR Sensor Air Quality Temperature Humidity Meter **Brand:** gain express **Price:** R6612 **Availability:** ✅ In Stock ## Summary > 🌬️ Breathe smarter, work safer — the pro’s choice for air quality mastery! ## Quick Answers - **What is this?** CO2 Meter Handheld CO2 Monitor 9999ppm Measuring Range Carbon Dioxide Detector NDIR Sensor Air Quality Temperature Humidity Meter by gain express - **How much does it cost?** R6612 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/205680453-co2-meter-handheld-co2-monitor-9999ppm-measuring-range-carbon-dioxide) ## Best For - gain express enthusiasts ## Why This Product - Trusted gain express brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Data-Driven Insights:** Optional PC software enables online logging and detailed analysis to optimize your air quality management. - • **Flexible Power Options:** Use included batteries or plug in with a 9V adapter for uninterrupted monitoring anywhere. - • **Instant Alerts with Sound Alarm:** Stay safe and proactive with audible warnings when CO2 levels exceed your preset limits. - • **All-in-One Air Quality Dashboard:** Monitor CO2, temperature, and humidity simultaneously for total indoor environment control. - • **Precision NDIR Sensor Technology:** Reliable, stable CO2 detection up to 9999ppm with 1ppm resolution—perfect for professional settings. ## Overview The Gain Express Handheld CO2 Meter features a high-precision NDIR sensor with a wide 0-9999ppm measuring range, triple displays for CO2, temperature, and humidity, and an audible alarm to alert users of unsafe CO2 levels. Powered by battery or 9V adapter, it supports optional PC connectivity for data logging, making it ideal for indoor air quality monitoring in homes, labs, and professional environments. ## Description Product Description Review: Great meter, great value - Great co2 meter bought 4units for drill site work. Very happy Review: good quality - works well, but it is a bit pricey, though ## Features - Triple displays of CO2 level, Temperature (°F/ °C) and Humidity (Air, Wet Bulb, or Dew Point Info are all available) - Stable NDIR Sensor for CO2 Detection. Ideal indoor air quality meter for home, laboratories, hotels, etc - Sound Warning Alarm notifies operator when CO2 levels reach or exceed a preset threshold - Power Supplied by Battery (Included) or 9V Adaptor . Optional Software CD for PC Connection Online Logging is also possible. - Measuring Range:CO2: 0~9999ppm, Resolution : 1ppm,0.1°C/°F, 0.1%RH ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01966BZDY | | Alarm | Audible | | Best Sellers Rank | 111,250 in DIY & Tools ( See Top 100 in DIY & Tools ) 16 in CO2 Detectors 1,058 in Scanners & Testers | | Brand | GAIN EXPRESS | | Colour | Portable Co2 Meter | | Customer Reviews | 4.5 out of 5 stars 275 Reviews | | Item Weight | 200 Grams | | Item weight | 200 Grams | | Manufacturer | Gain Express Holdings Ltd | | Model Number | A017755 | | Number of Items | 1 | | Operating Humidity | 0-99 percent | | Part Number | A017755 | | Power source | Battery Powered | | Product Style | Ergonomic | | Sensor Type | Non Dispersive Infrared | | Style | Ergonomic | | UPC | 600316560665 | | Unit Count | 1.0 count | | Upper Temperature Rating | 60 Degrees Celsius | ## Product Details - **Alarm:** Audible - **Brand:** GAIN EXPRESS - **Colour:** Handheld Co2 Meter - **Item weight:** 200 Grams - **Number of items:** 1 - **Operating humidity:** 0-99 percent - **Power source:** Battery Powered - **Sensor type:** Non Dispersive Infrared - **Style:** Ergonomic - **Upper temperature rating:** 60 Degrees Celsius ## Images ![CO2 Meter Handheld CO2 Monitor 9999ppm Measuring Range Carbon Dioxide Detector NDIR Sensor Air Quality Temperature Humidity Meter - Image 1](https://m.media-amazon.com/images/I/71+eOoxRUgL.jpg) ![CO2 Meter Handheld CO2 Monitor 9999ppm Measuring Range Carbon Dioxide Detector NDIR Sensor Air Quality Temperature Humidity Meter - Image 2](https://m.media-amazon.com/images/I/81OvJj-1lgL.jpg) ![CO2 Meter Handheld CO2 Monitor 9999ppm Measuring Range Carbon Dioxide Detector NDIR Sensor Air Quality Temperature Humidity Meter - Image 3](https://m.media-amazon.com/images/I/81DwTXCoSBL.jpg) ![CO2 Meter Handheld CO2 Monitor 9999ppm Measuring Range Carbon Dioxide Detector NDIR Sensor Air Quality Temperature Humidity Meter - Image 4](https://m.media-amazon.com/images/I/71A2WpZNg7L.jpg) ![CO2 Meter Handheld CO2 Monitor 9999ppm Measuring Range Carbon Dioxide Detector NDIR Sensor Air Quality Temperature Humidity Meter - Image 5](https://m.media-amazon.com/images/I/81FDhaUwRhL.jpg) ## Questions & Answers **Q: Does this detector require calibrating? is so how often and can it be done by user or does it have to be sent off?** A: CO2 and RH can be calibrated by users, users can calibrate by themselves if they feel that the readings are inaccurate or users may calibrate it every 2 to 3 months to ensure accuracy, calibration steps can be found in the user manual. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great meter, great value *by R***R on 13 April 2026* Great co2 meter bought 4units for drill site work. Very happy ### ⭐⭐⭐⭐⭐ good quality *by A***R on 23 September 2024* works well, but it is a bit pricey, though ### ⭐⭐⭐⭐⭐ Gas equipment *by P***S on 2 June 2024* Compact seems to work well I've only used 3 times ## Frequently Bought Together - CO2 Meter Air Quality Monitor Handheld CO2 Monitor 0~9999ppm Measurement Carbon Dioxide Temperature Humidity Detector NDIR Sensor Indoor Outdoor Air Quality Tester - TopTes Decibel Meter, TS-501A Sound Level Meter with 2.25” Backlight LCD Screen, Portable SPL Tester with A Weighted, Range 30-130dB, Data Hold, MAX/MIN, Use for Home, Noisy Neighbor, Factory - Orange - TopTes TS-710 Light Meter, Lux/Foot Candles Meter with 180º Rotating Sensor, 0.1~200,000 Lux Range, Large Backlit Display, Light Meter for Plants, Car Headlights, Home & Office LEDs (Includes Battery) --- ## 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.co.za/products/205680453-co2-meter-handheld-co2-monitor-9999ppm-measuring-range-carbon-dioxide](https://www.desertcart.co.za/products/205680453-co2-meter-handheld-co2-monitor-9999ppm-measuring-range-carbon-dioxide) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-07-09*