---
product_id: 205680453
title: "GAIN EXPRESS CO2 Meter Handheld CO2 Monitor 9999ppm Measuring Range Carbon Dioxide Detector NDIR Sensor Air Quality Temperature Humidity Meter"
brand: "gain express"
price: "VT78264"
currency: VUV
in_stock: true
reviews_count: 7
category: "Gain Express"
url: https://www.desertcart.vu/products/205680453-gain-express-co2-meter-handheld-co2-monitor-9999ppm-measuring-range
store_origin: VU
region: Vanuatu
---

# CO2 range 0-9999ppm, 1ppm res Triple display: CO2, Temp, Humidity Temp accuracy ±0.1°C/°F GAIN EXPRESS CO2 Meter Handheld CO2 Monitor 9999ppm Measuring Range Carbon Dioxide Detector NDIR Sensor Air Quality Temperature Humidity Meter

**Brand:** gain express
**Price:** VT78264
**Availability:** ✅ In Stock

## Summary

> 🌬️ Breathe smarter, live better — your air quality guardian in hand!

## Quick Answers

- **What is this?** GAIN EXPRESS 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?** VT78264 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/205680453-gain-express-co2-meter-handheld-co2-monitor-9999ppm-measuring-range)

## 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 Decisions:** Optional PC software enables real-time logging and analysis to optimize your environment.
- • **Versatile Power Options:** Battery or 9V adapter powered for uninterrupted, on-the-go monitoring.
- • **Instant Alerts for Safety:** Sound alarm triggers at preset CO2 thresholds—never miss a critical air quality change.
- • **Precision Air Quality Insights:** Stay ahead with ultra-accurate NDIR CO2 sensing up to 9999ppm.
- • **Comprehensive Environmental Monitoring:** Simultaneously track temperature and humidity for total indoor climate control.

## Overview

The GAIN EXPRESS Handheld CO2 Meter delivers precise, real-time monitoring of carbon dioxide levels (0-9999ppm), temperature, and humidity using a stable NDIR sensor. Designed for professionals and home users alike, it features a triple display, audible alarms for high CO2, and flexible power options. Ideal for ensuring optimal indoor air quality in offices, labs, and hotels, it supports data logging via optional PC software for advanced environmental management.

## Description

GAIN EXPRESS CO2 Meter Handheld CO2 Monitor 9999ppm Measuring Range Carbon Dioxide Detector NDIR Sensor Air Quality Temperature Humidity Meter : desertcart.co.uk: DIY & Tools

Review: good quality - works well, but it is a bit pricey, though
Review: Gas equipment - Compact seems to work well I've only used 3 times

## 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 |
| Batteries | 4 AA batteries required. |
| Batteries Required? | No |
| Batteries included? | No |
| Battery Cell Type | Alkaline |
| Best Sellers Rank | 71,137 in DIY & Tools ( See Top 100 in DIY & Tools ) 20 in CO2 Detectors 733 in Scanners & Testers |
| Colour | Handheld Co2 Meter |
| Customer Reviews | 4.5 4.5 out of 5 stars (268) |
| Date First Available | 10 Dec. 2015 |
| Item Package Quantity | 3 |
| Item Weight | 200 g |
| Item model number | A017755 |
| Manufacturer | Gain Express Holdings Ltd. |
| Part number | A017755 |
| Power source type | Battery Powered |
| Product Dimensions | 7.01 x 5.51 x 21.01 cm; 200 g |
| Size | Dimension: 169 (L) x 78.3 (W) x 43.4 (H) mm |
| Style | Ergonomic |

## 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

![GAIN EXPRESS 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)

## Available Options

This product comes in different **Color** options.

## 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

### ⭐⭐⭐⭐⭐ 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

### ⭐⭐⭐⭐⭐ Review
*by ピ***マ on 15 January 2026*

まだ使ってないが試したら使いやすそうだ

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.vu/products/205680453-gain-express-co2-meter-handheld-co2-monitor-9999ppm-measuring-range](https://www.desertcart.vu/products/205680453-gain-express-co2-meter-handheld-co2-monitor-9999ppm-measuring-range)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-02-13*