---
product_id: 527518500
title: "Air Quality Monitor, Langkou Formaldehyde Detector, Pollution Meter, Sensor, Tester; Detect & Test Formaldehyde HCHO/TVOC Volatile Organic Compound Gas, PM2.5 Micron Particulate Matter Dust; eBook"
brand: "langkou"
price: "5953408₫"
currency: VND
in_stock: false
reviews_count: 4
url: https://www.desertcart.vn/products/527518500-air-quality-monitor-langkou-formaldehyde-detector-pollution-meter-sensor-tester
store_origin: VN
region: Vietnam
---

# Real-time monitoring Accurate detection 2200mAh battery Air Quality Monitor, Langkou Formaldehyde Detector, Pollution Meter, Sensor, Tester; Detect & Test Formaldehyde HCHO/TVOC Volatile Organic Compound Gas, PM2.5 Micron Particulate Matter Dust; eBook

**Brand:** langkou
**Price:** 5953408₫
**Availability:** ❌ Out of Stock

## Summary

> 🌬️ Breathe better, live better!

## Quick Answers

- **What is this?** Air Quality Monitor, Langkou Formaldehyde Detector, Pollution Meter, Sensor, Tester; Detect & Test Formaldehyde HCHO/TVOC Volatile Organic Compound Gas, PM2.5 Micron Particulate Matter Dust; eBook by langkou
- **How much does it cost?** 5953408₫ with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/527518500-air-quality-monitor-langkou-formaldehyde-detector-pollution-meter-sensor-tester)

## Best For

- langkou enthusiasts

## Why This Product

- Trusted langkou brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Breathe Easy:** Monitor harmful pollutants in real-time.
- • **Expert Support:** US-based assistance for all your queries.
- • **Healthy Home Advocate:** Protect your family from indoor air hazards.
- • **Portable Peace of Mind:** Take air quality monitoring anywhere you go.
- • **Smart Sensor Technology:** Advanced sensors for precise readings.

## Overview

The Langkou Air Quality Monitor is a cutting-edge device designed to detect harmful air pollutants such as formaldehyde (HCHO), total volatile organic compounds (TVOC), and PM2.5 particulate matter. With its portable design, advanced sensor technology, and a powerful 2200mAh battery, this monitor ensures you can assess air quality anywhere, providing peace of mind and promoting a healthier living environment.

## Description

desertcart.com: Air Quality Monitor, Langkou Formaldehyde Detector, Pollution Meter, Sensor, Tester; Detect & Test Formaldehyde HCHO/TVOC Volatile Organic Compound Gas, PM2.5 Micron Particulate Matter Dust; eBook

Review: Awesome air quality monitor - PM 2.5 closely matches other monitors I own. TVOC levels track expectations, indoors, outdoors, and near known sources. Very responsive unit. Super helpful and informative. Very happy with this monitor, highly recommended.
Review: SUPPLIER SUPPORT IS TERRIBLE - Terrible support from the supplier does not respond, equipment is in F° and does not allow change to Centigrade, terrible support from the seller on the page

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Alarm | Visual |
| Brand | Langkou |
| Item Weight | 300 Grams |
| Manufacturer | Langkou |
| Product Dimensions | 1.73"D x 2.72"W x 6.46"H |
| Sensor Type | Electrochemical |

## Product Details

- **Alarm:** Visual
- **Brand:** Langkou
- **Item Weight:** 300 Grams
- **Manufacturer:** Langkou
- **Product Dimensions:** 1.73"D x 2.72"W x 6.46"H
- **Sensor Type:** Electrochemical

## Images

![Air Quality Monitor, Langkou Formaldehyde Detector, Pollution Meter, Sensor, Tester; Detect & Test Formaldehyde HCHO/TVOC Volatile Organic Compound Gas, PM2.5 Micron Particulate Matter Dust; eBook - Image 1](https://m.media-amazon.com/images/I/612z31tINGL.jpg)

## Questions & Answers

**Q: What value (number) represents an unsafe level of CO2?**
A: Hi, when the CO2 concentration exceeds 1000ppm, you need to pay attention to indoor ventilation, at this time, the CO2 concentration is already high. When the CO2 concentration reaches 1200ppm, it means that the current air environment is relatively bad, making people feel tired and lethargic. When the CO2 concentration exceeds 2000, it means that the current air is seriously polluted.
Hope this information can help you.

**Q: Wow, that co2 monitor looks great, how do i turn off the alarm?**
A: Dear customer, you just need to double click the button of CO2 Monitor quickly and hear a beep, it means the alarm has been turned off, double click again to resume

**Q: What's the accuracy/margin of error of the CO2 measurement (not the resolution or range)?**
A: Dear customers, please watch this video, we tell you in detail all the parameters of Langkou CO2 monitor and also provide the concentration range of CO2 and PM2.5 and their corresponding air quality conditions, any questions please ask us

**Q: My pm reading is stuck on 999, even if i take it outside, even if i turn off/on. is it broken? is there a reset?**
A: Hi, when you are testing the PM reading, is there any obvious smoke next to it? When someone smokes or there is dense smoke around, the PM index will rise rapidly. If the air around the device is in good condition, it is likely that a sensor failure has caused the PM reading to be too high. Please contact me through the Amazon mail system for more effective and timely communication. Log in to your Amazon account> select "your orders", search for the order number> click "contact seller".

## Customer Reviews

### ⭐⭐⭐⭐⭐ Awesome air quality monitor
*by K***N on December 25, 2024*

PM 2.5 closely matches other monitors I own. TVOC levels track expectations, indoors, outdoors, and near known sources. Very responsive unit. Super helpful and informative. Very happy with this monitor, highly recommended.

### ⭐ SUPPLIER SUPPORT IS TERRIBLE
*by C***G on May 8, 2024*

Terrible support from the supplier does not respond, equipment is in F° and does not allow change to Centigrade, terrible support from the seller on the page

### ⭐⭐⭐⭐⭐ Good air monitor
*by D***K on January 27, 2025*

It works very well and is also very sensitive.

## Frequently Bought Together

- Air Quality Monitor, Langkou Formaldehyde Detector, Pollution Meter, Sensor, Tester; Detect & Test Formaldehyde HCHO/TVOC Volatile Organic Compound Gas, PM2.5 Micron Particulate Matter Dust; eBook
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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-24*