---
product_id: 578473348
title: "BTMETER Ammonia Gas Detector 535G, Air Quality Meter Monitor Indoor NH3 Gas 0~100 PPM, Relative Humidity and Temperature, Rechargeable Ammonia Gauge with Alarm, Backlit LCD Display"
brand: "btmeter"
price: "₩4029"
currency: KRW
in_stock: false
reviews_count: 8
url: https://www.desertcart.kr/products/578473348-btmeter-ammonia-gas-detector-535g-air-quality-meter-monitor-indoor
store_origin: KR
region: South Korea
---

# ±5% accuracy in 120s 2000mAh rechargeable battery Temp -10~50℃ ±2℃ + humidity 0~95% BTMETER Ammonia Gas Detector 535G, Air Quality Meter Monitor Indoor NH3 Gas 0~100 PPM, Relative Humidity and Temperature, Rechargeable Ammonia Gauge with Alarm, Backlit LCD Display

**Brand:** btmeter
**Price:** ₩4029
**Availability:** ❌ Out of Stock

## Summary

> 🌬️ Stay Ahead of Air Risks with Smart Precision!

## Quick Answers

- **What is this?** BTMETER Ammonia Gas Detector 535G, Air Quality Meter Monitor Indoor NH3 Gas 0~100 PPM, Relative Humidity and Temperature, Rechargeable Ammonia Gauge with Alarm, Backlit LCD Display by btmeter
- **How much does it cost?** ₩4029 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/578473348-btmeter-ammonia-gas-detector-535g-air-quality-meter-monitor-indoor)

## Best For

- btmeter enthusiasts

## Why This Product

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

## Key Features

- • **On-the-Go Power:** Robust 2000mAh lithium battery with USB-C charging offers up to 4 hours of uninterrupted monitoring.
- • **Precision You Can Trust:** Professional electrochemical sensor delivers rapid, ±5% accurate ammonia detection up to 100 ppm.
- • **Customizable Safety Alerts:** Dual alarm thresholds with audible buzzer and LED warning keep you instantly informed and protected.
- • **All-in-One Environmental Insight:** Simultaneously monitor ammonia levels, temperature (°C/°F), and humidity for comprehensive air quality awareness.
- • **User-Friendly Display & Mounting:** Large 4.3-inch backlit LCD ensures clear readings anytime, with versatile desk stand or wall-hang options.

## Overview

The BTMETER Ammonia Gas Detector 535G is a professional-grade, rechargeable air quality meter featuring a high-accuracy electrochemical sensor for ammonia detection (0-100 ppm ±5%). It also tracks ambient temperature (-10~50℃ ±2℃) and humidity (0-95%), with customizable dual alarms and a large backlit LCD for easy monitoring. Designed for versatile use with a 180° stand and wall mount, it runs on a 2000mAh rechargeable battery with USB-C charging, making it ideal for indoor safety and environmental control.

## Description

Full description not available

## Features

- ✅【High Accuracy】Designed with professional electrochemical sensor, BTMETER air quality tester 535G can quickly detect ammonia gas levels between 0-100 ppm with high accuracy ±5% within just 120 seconds.
- ✅【Humidity & Temperature Meter】Keep tabs on ambient temperature and humidity levels when monitor ammonia gas concentration. Measure indoor temperature between -10~50℃ with ±2℃ accuracy and relative from 0~95%. Temperature centigrade and Fahrenheit degree switchable.
- ✅【Adjustable Alarms Setting】Equipped with ammonia alarm buzzer, this smart NH3 gas detector would help you to stay safe and monitor ammonia concentration effectively. It supports 2 NH3 gas alarms value setting and it would alert you with beep sound and LED light if the measured value reaches the preset limit.
- ✅【Backlit LCD Display】The large 4.3-inch backlight LCD display provides easy-to-read measurement value in any lighting condition. Plus, there’s hanging hole and 180° support stand on the back of the ammonia gas monitor, so you not only can hold it to detect air quality, but also can just place it on desk or hang it on wall for continuous ammonia monitoring.
- ✅【Rechargeable Ammonia Air Gauge】Built-in 2000mAh Lithium Battery, BTMETER air quality tester can standby around 4 hours after full-charged. Comes with USB Type-C charging cable, so you can charge it conveniently.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | BTMETER |
| Style | Industrial |
| Power Source | Battery Powered |
| Color | NH3 Gas Detector 535G |
| Item Weight | 0.68 Pounds |
| Alarm | Audible |
| Operating Humidity | 95 percent |
| Upper Temperature Rating | 50 Degrees Celsius |
| Sensor Type | Electrochemical |
| Material | Plastic |
| Number of Items | 1 |
| Manufacturer | BTMETER |
| Package Dimensions | 7.2 x 6.06 x 2.24 inches |
| Item Weight | 10.9 ounces |
| ASIN | B0BTGW4KCM |
| Item model number | BTMETER Ammonia Gas Detector BT-535G |
| Date First Available | January 31, 2023 |

## Product Details

- **Brand:** BTMETER
- **Style:** Industrial
- **Power Source:** Battery Powered
- **Color:** NH3 Gas Detector 535G
- **Item Weight:** 0.68 Pounds
- **Alarm:** Audible
- **Operating Humidity:** 95 percent
- **Upper Temperature Rating:** 50 Degrees Celsius
- **Sensor Type:** Electrochemical
- **Material:** Plastic

## Images

![BTMETER Ammonia Gas Detector 535G, Air Quality Meter Monitor Indoor NH3 Gas 0~100 PPM, Relative Humidity and Temperature, Rechargeable Ammonia Gauge with Alarm, Backlit LCD Display - Image 1](https://m.media-amazon.com/images/I/71VbP0g1NzL.jpg)
![BTMETER Ammonia Gas Detector 535G, Air Quality Meter Monitor Indoor NH3 Gas 0~100 PPM, Relative Humidity and Temperature, Rechargeable Ammonia Gauge with Alarm, Backlit LCD Display - Image 2](https://m.media-amazon.com/images/I/71t9k-2F0LL.jpg)
![BTMETER Ammonia Gas Detector 535G, Air Quality Meter Monitor Indoor NH3 Gas 0~100 PPM, Relative Humidity and Temperature, Rechargeable Ammonia Gauge with Alarm, Backlit LCD Display - Image 3](https://m.media-amazon.com/images/I/71H8FYDNAmL.jpg)
![BTMETER Ammonia Gas Detector 535G, Air Quality Meter Monitor Indoor NH3 Gas 0~100 PPM, Relative Humidity and Temperature, Rechargeable Ammonia Gauge with Alarm, Backlit LCD Display - Image 4](https://m.media-amazon.com/images/I/71OaV3wzW6L.jpg)
![BTMETER Ammonia Gas Detector 535G, Air Quality Meter Monitor Indoor NH3 Gas 0~100 PPM, Relative Humidity and Temperature, Rechargeable Ammonia Gauge with Alarm, Backlit LCD Display - Image 5](https://m.media-amazon.com/images/I/614+G16jAuL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Delivers an awesome fine mist
*by S***B on May 21, 2024*

Product worked great for a large event that I catered.

### ⭐ Doesn't work
*by A***Y on March 19, 2025*

Doesn't work

### ⭐⭐⭐⭐⭐ Amonia tester
*by N***  on December 13, 2023*

Large digital clear and bright, very nice and cool, I love it so much, thanks

---

## 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.kr/products/578473348-btmeter-ammonia-gas-detector-535g-air-quality-meter-monitor-indoor](https://www.desertcart.kr/products/578473348-btmeter-ammonia-gas-detector-535g-air-quality-meter-monitor-indoor)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-24*