---
product_id: 362991271
title: "Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ CO2 Monitor WB DP Tester"
brand: "gain express"
price: "1508.87 DT"
currency: TND
in_stock: true
category: "Gain Express"
url: https://www.desertcart.tn/products/362991271-indoor-air-quality-9999ppm-digital-carbon-dioxide-temperature-humidity-ndir
store_origin: TN
region: Tunisia
---

# CO2 detection up to 9999ppm High accuracy ±50ppm (0-2000ppm) Temp range -10 to 60°C Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ CO2 Monitor WB DP Tester

**Brand:** gain express
**Price:** 1508.87 DT
**Availability:** ✅ In Stock

## Summary

> 🌬️ Breathe smarter, work better — your air quality guardian in a sleek digital form!

## Quick Answers

- **What is this?** Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ CO2 Monitor WB DP Tester by gain express
- **How much does it cost?** 1508.87 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/362991271-indoor-air-quality-9999ppm-digital-carbon-dioxide-temperature-humidity-ndir)

## 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

- • **Precision You Can Trust:** NDIR sensor delivers ±50ppm accuracy in critical CO2 ranges to keep your environment safe.
- • **Instant Alerts for Safety:** Audible high-risk CO2 alarm ensures you never miss dangerous air quality spikes.
- • **User-Friendly & Versatile:** Backlit display, data hold, min/max readings, and dual power options for seamless use anywhere.
- • **Comprehensive IAQ Monitoring:** Track CO2, temperature, humidity, dew point & wet bulb for total air insight.
- • **Professional Grade & Portable:** Lightweight 200g design with manual calibration and PC connectivity for data-driven decisions.

## Overview

This advanced digital IAQ monitor uses a stable NDIR sensor to measure CO2 levels up to 9999ppm with high accuracy, alongside temperature, humidity, dew point, and wet bulb temperature. Featuring audible alarms for high CO2, a clear backlit display, and dual power options, it’s designed for professional environments like offices and classrooms to ensure optimal air quality and safety.

## Description

Features: Backlight, hold data, min/max. Double power supply, battery (included) or 9V adapter (** Note: adapter is not included in the set). Energy from the battery is automatically switched off when 9V adapter is in use. Easy manual calibration for CO2 and humidity PC connection for online login and data analysis (not included). Manual calibration of CO2 and humidity is available. Auto / manual off. Specifications: Measuring range * CO2: 0 ~ 9999ppm (2001 ~ 9999 off scale). * Temperature: -10 ~ 60 °C (14 ~ 140 °F). * Humidity: 0.1% ~ 99.9% RH * Dew point: -20.0 ~ 59.9 °C. * Wet bulb: -5.0 ~ 59.9 °C. * Temp: ± 0.6 °C / ± 0.9 °F. Accuracy: * C02: ± 50ppm ± 5% of measured value (0 ~ 2000ppm) other ranges are not * Temp stated: ± 0.6 °C / ± 0.9 °F. * Humidity: ± 3% RH (at 25 °C, 10 ~ 90% RH) ; RH ± 5% (at 25 °C, other). Response Time * CO2: 30 seconds (90% step change). * Temp: lt; 2 minutes (90% step change). * RH: lt; 10 minutes (90% step change) LCD size: 26 x 44 mm. Operating condition: 0 ~ 50 °C, 0 ~ 95% RH (avoid condensation). Storage conditions: -20 ~ 50 °C, 0 ~ 95% RH (avoid condensation). Weight: 200 g. Set includes: 1 x portable CO2 meter. 4 x AA batteries. English user manual Hard case

## Features

- 1. The latest air quality meter measures carbon dioxide content, air temperature, dew point (DP), wet bulb temperature (WB) and humidity (RH).
- 2. CO2 meter: use stable NDIR sensors to detect carbon dioxide, if the carbon dioxide concentration is too high, the meter emits a high risk warning alarm.
- 3.High accuracy: CO2 accuracy: 0~2000ppm (±50ppm or ±5% of reading); 2000~9999ppm (±10% of reading).
- 4. Powerful functions: this air quality monitor has high accuracy and stable performance, the values CO2, temperature and humidity are clearly visible on the display, anti-interference ability, low consumption and long service time.
- 5.Application: IAQ monitoring and monitoring, especially CO2 content and ventilation, are widely used in public areas such as offices, classrooms, factories, hospitals and hotels.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01966BZDY |
| Alarm | Audible |
| Best Sellers Rank | #249,923 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #445 in Indoor Air Quality Meters |
| Brand | GAIN EXPRESS |
| Colour | Amarillo |
| Customer Reviews | 4.4 4.4 out of 5 stars (284) |
| Item Weight | 200 Grams |
| Manufacturer | Gain Express Holdings Ltd |
| Mfr Part Number | A017755 |
| Model Number | A017755 |
| Power Source | Battery Powered |
| Product Style | Digital |
| Sensor Type | Non Dispersive Infrared |
| UPC | 600316560665 |
| Unit Count | 1.0 Count |
| Upper Temperature Range | 9 Degrees Celsius |

## Product Details

- **Alarm:** Audible
- **Brand:** GAIN EXPRESS
- **Colour:** Amarillo
- **Item Weight:** 200 Grams
- **Manufacturer:** Gain Express Holdings Ltd
- **Net Quantity:** 1.0 Count
- **Power Source:** Battery Powered
- **Sensor Type:** Non Dispersive Infrared
- **Style:** Digital
- **Upper Temperature Rating:** 9 Degrees Celsius

## Images

![Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ CO2 Monitor WB DP Tester - Image 1](https://m.media-amazon.com/images/I/71+eOoxRUgL.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

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-10-16*