--- product_id: 539603396 title: "6-in-1 Indoor Air Quality Monitor PTH-9A with Alarm, Real-Time Air Detector | Multi-Function Accurate Sensor: CO2, PM2.5, PM10, AQI, Temp & Humidity Tester, Ideal for Home, Kitchen, Offices & Nursery" brand: "inkbirdplus" price: "€ 141.88" currency: EUR in_stock: true reviews_count: 11 category: "Inkbirdplus" url: https://www.desertcart.hr/products/539603396-6-in-1-indoor-air-quality-monitor-pth-9a-alarm store_origin: HR region: Croatia --- # 3-stage AQI alarm system 6-in-1 multi-sensor detection Auto CO2 calibration 6-in-1 Indoor Air Quality Monitor PTH-9A with Alarm, Real-Time Air Detector | Multi-Function Accurate Sensor: CO2, PM2.5, PM10, AQI, Temp & Humidity Tester, Ideal for Home, Kitchen, Offices & Nursery **Brand:** inkbirdplus **Price:** € 141.88 **Availability:** ✅ In Stock ## Summary > 🌬️ Breathe Smart, Live Better — Your Air’s Best Ally ## Quick Answers - **What is this?** 6-in-1 Indoor Air Quality Monitor PTH-9A with Alarm, Real-Time Air Detector | Multi-Function Accurate Sensor: CO2, PM2.5, PM10, AQI, Temp & Humidity Tester, Ideal for Home, Kitchen, Offices & Nursery by inkbirdplus - **How much does it cost?** € 141.88 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/539603396-6-in-1-indoor-air-quality-monitor-pth-9a-alarm) ## Best For - inkbirdplus enthusiasts ## Why This Product - Trusted inkbirdplus brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact & Portable Design:** Lightweight and small (12x8x4 cm), perfect for rooms, offices, grow tents, and cellars. - • **Precision Auto Calibration:** Ensure accurate CO2 readings with a simple 200-second automatic calibration process. - • **User-Friendly Digital Display:** Clear, real-time data output for quick, informed decisions on your indoor environment. - • **Instant Alerts with 3-Stage AQI Alarm:** Stay ahead of air quality risks with audible warnings at normal, warning, and danger levels. - • **Comprehensive 6-in-1 Air Quality Detection:** Monitor CO2, PM2.5, PM10, AQI, temperature, and humidity all in one sleek device. ## Overview The INKBIRDPLUS PTH-9A is a compact 6-in-1 indoor air quality monitor that accurately measures CO2, PM2.5, PM10, AQI, temperature, and humidity. Featuring a 3-stage audible alarm system for air quality alerts and an automatic CO2 calibration function, it’s designed for versatile use in rooms, offices, grow tents, and cellars. Lightweight and easy to use, it empowers professionals to maintain a healthier indoor environment with confidence. ## Description INKBIRDPLUS 6-in-1 Indoor Air Quality Monitor, Detects CO2, PM2.5, PM10, AQI, Temperature and Humidity with Alarm, for Rooms, Cellars, Grow Tents, Offices, etc. (PTH-9A) : desertcart.ae: Patio, Lawn & Garden Review: As advertised! - Accurate, very useful, especially the alarm function when air quality drops rapidly. Review: ممتاز - ممتاز ## Features - 6-in-1 Air Quality MonitorINKBIRDPLUS 6-in-1 Indoor Monitor has built-in professional detection sensors, it can accurately detect the current CO2 concentration, PM2.5, PM10, AQI, temperature, and humidity in the air. - Three AQI Stages & Sound AlarmThis Air Quality detector is designed with 3 stages of AQI - normal mode (0-50), warning mode (51-100), and danger mode (101-500). When the AQI index exceeds 100, the detector will sound an alarm. - Calibration FunctionAfter the device is turned off, take it to a ventilated place, and press and hold the three keys at the same time, the product will enter the automatic calibration state of carbon dioxide concentration value for 200 seconds. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B7QG8D8R | | ASIN | B0B7QG8D8R | | Batteries | 1 Lithium Ion batteries required. (included) | | Brand Name | INKBIRDPLUS | | Customer Reviews | 3.8 3.8 out of 5 stars (267) | | Customer reviews | 3.8 3.8 out of 5 stars (267) | | Date First Available | 4 March 2023 | | Item Dimensions | 12 x 8 x 4 centimeters | | Item Weight | 304 g | | Item model number | PTH-9A Indoor Air Quality Monitor | | Manufacturer | INKBIRDPLUS | | Manufacturer | INKBIRDPLUS | | Model | PTH-9A Indoor Air Quality Monitor | | Output Type | digital | | Part Number | PTH-9A-US | | Product Dimensions | 11.99 x 8 x 3.99 cm; 303.91 g | | Smart Home Compatibility | Not Smart Home Compatible | | Specific Uses For Product | rooms, cellars, grow tents, offices | | Style Name | Compact | | Unit Count | 1.00 Count | ## Product Details - **Brand:** INKBIRDPLUS - **Item dimensions L x W x H:** 12 x 8 x 4 centimeters - **Item weight:** 0.67 Pounds - **Output type:** digital - **Style:** Compact ## Images ![6-in-1 Indoor Air Quality Monitor PTH-9A with Alarm, Real-Time Air Detector | Multi-Function Accurate Sensor: CO2, PM2.5, PM10, AQI, Temp & Humidity Tester, Ideal for Home, Kitchen, Offices & Nursery - Image 1](https://m.media-amazon.com/images/I/71EUPB2LMQL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ As advertised! *by M***L on 19 February 2026* Accurate, very useful, especially the alarm function when air quality drops rapidly. ### ⭐⭐⭐⭐ ممتاز *by M***I on 17 April 2026* ممتاز ### ⭐ Temperature and Humidy meters don't work *by S***M on 19 December 2023* Temperature and Humidity meters don't work and battery does not last long. ## Frequently Bought Together - INKBIRDPLUS 6-in-1 Indoor Air Quality Monitor, Detects CO2, PM2.5, PM10, AQI, Temperature and Humidity with Alarm, for Rooms, Cellars, Grow Tents, Offices, etc. (PTH-9A) - Airthings 2960 View Plus - Battery Powered Radon & Air Quality Monitor (PM, CO2, VOC, Humidity, Temp, Pressure) - Mold Test Kit for Home - 12 Simple Detection Tests,Test HVAC System,Home Surfaces,& Indoor Air Quality Testing Kits,DIY Mold Detector at Home,Includes Detailed Mold Identification Guide,air Tester --- ## 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.hr/products/539603396-6-in-1-indoor-air-quality-monitor-pth-9a-alarm](https://www.desertcart.hr/products/539603396-6-in-1-indoor-air-quality-monitor-pth-9a-alarm) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-08-31*