---
product_id: 379489347
title: "GAIN EXPRESS Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ WB DP Tester"
brand: "gain express"
price: "€ 254.66"
currency: EUR
in_stock: false
reviews_count: 5
category: "Gain Express"
url: https://www.desertcart.sk/products/379489347-gain-express-indoor-air-quality-9999ppm-digital-carbon-dioxide-temperature
store_origin: SK
region: Slovakia
---

# High Precision: 1ppm CO2 Resolution Sound Alarm: Alerts on High CO2 Triple Display: CO2, Temp, Humidity GAIN EXPRESS Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ WB DP Tester

**Brand:** gain express
**Price:** € 254.66
**Availability:** ❌ Out of Stock

## Summary

> 🌬️ Breathe Smart, Live Better — Your Indoor Air Guardian

## Quick Answers

- **What is this?** GAIN EXPRESS Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ WB DP Tester by gain express
- **How much does it cost?** € 254.66 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/379489347-gain-express-indoor-air-quality-9999ppm-digital-carbon-dioxide-temperature)

## 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 real-time logging and analysis to optimize your indoor environment.
- • **Precision You Can Trust:** Stable NDIR sensor delivers ultra-accurate CO2 readings up to 9999ppm with 1ppm resolution.
- • **Versatile Power Options:** Runs on 4 AA batteries or 9V adapter for uninterrupted monitoring anywhere, anytime.
- • **Instant Alerts for Safety:** Built-in sound alarm warns you the moment CO2 levels exceed safe thresholds—stay ahead of risks.
- • **All-in-One Air Quality Dashboard:** Monitor CO2, temperature, and humidity simultaneously with crystal-clear triple displays.

## Overview

The GAIN EXPRESS Indoor Air Quality Tester is a modern, battery-powered device featuring a high-precision NDIR sensor that measures CO2 levels up to 9999ppm, temperature (°F/°C), and humidity (including wet bulb and dew point). Its triple display and sound alarm ensure real-time monitoring and safety alerts, making it ideal for homes, labs, and hotels. Optional PC connectivity allows for advanced data logging and analysis.

## Description

Buy GAIN EXPRESS Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ WB DP Tester online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: まだ使ってないが試したら使いやすそうだ
Review: mide bien y esta bien de precio

## 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,(2001~9999 out of scale), Resolution : 1ppm,0.1°C/°F, 0.1%RH

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01966BZDY |
| ASIN  | B01966BZDY |
| Batteries | 4 AA batteries required. |
| Batteries  | 4 AA batteries required. |
| Batteries Included? | No |
| Batteries Required? | No |
| Color | Yellow |
| Customer Reviews | 4.5 4.5 out of 5 stars (268) |
| Customer reviews | 4.5 4.5 out of 5 stars (268) |
| Date First Available | 31 March 2016 |
| Date First Available  | 31 March 2016 |
| Is Discontinued By Manufacturer  | No |
| Item Package Quantity | 3 |
| Item Weight | 200 g |
| Item model number | A017755 |
| Item model number  | A017755 |
| Manufacturer | Gain Express Holdings Ltd. |
| 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 |
| Product Dimensions  | 7.01 x 5.51 x 21.01 cm; 200 g |
| Style | Modern |

## Product Details

- **Brand:** GAIN EXPRESS
- **Colour:** Yellow
- **Item weight:** 200 Grams
- **Power source:** Battery Powered
- **Style:** Modern

## Images

![GAIN EXPRESS Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ WB DP Tester - Image 1](https://m.media-amazon.com/images/I/71+eOoxRUgL.jpg)
![GAIN EXPRESS Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ WB DP Tester - Image 2](https://m.media-amazon.com/images/I/71A2WpZNg7L.jpg)
![GAIN EXPRESS Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ WB DP Tester - Image 3](https://m.media-amazon.com/images/I/71PA8EO2zpL.jpg)
![GAIN EXPRESS Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ WB DP Tester - Image 4](https://m.media-amazon.com/images/I/71heNIn2RlL.jpg)
![GAIN EXPRESS Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ WB DP Tester - Image 5](https://m.media-amazon.com/images/I/71r5s06ZNGL.jpg)

## Questions & Answers

**Q: Can you connect a hose for scientific experiments?**
A: No.

**Q: what is the country of origin?**
A: Made it China, but it seems to be an accurate measurement.

**Q: Do you sell the software and hardware for data collection separately for this unit?**
A: Yes, you can buy the software and cable from the link below.

ASIN: B01BWJIRMK
URL: https://www.amazon.com/dp/B01BWJIRMK?ref=myi_title_dp

**Q: How accurate is the co2 sensor?**
A: Very

## Customer Reviews

### ⭐⭐⭐⭐⭐ 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

### ⭐⭐⭐⭐⭐ Review
*by J***L on 29 October 2025*

mide bien y esta bien de precio

### ⭐⭐⭐ Review
*by G***S on 7 October 2022*

Compré el producto para medir CO2 de manera continua en el laboratorio, sin embargo no pude conseguir el software y cables adicionales. Tuve que comprar otro equipo de otra marca.

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-03-04*