--- product_id: 539603396 title: "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)" brand: "inkbirdplus" price: "€ 165.57" currency: EUR in_stock: true reviews_count: 11 category: "Inkbirdplus" url: https://www.desertcart.hr/products/539603396-inkbirdplus-6-in-1-indoor-air-quality-monitor-detects-co2 store_origin: HR region: Croatia --- # 3-stage AQI alarm system 6-in-1 multi-sensor detection Auto CO2 calibration 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) **Brand:** inkbirdplus **Price:** € 165.57 **Availability:** ✅ In Stock ## Summary > 🌬️ Breathe Smart, Live Better — Your Air’s Best Ally ## Quick Answers - **What is this?** 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) by inkbirdplus - **How much does it cost?** € 165.57 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-inkbirdplus-6-in-1-indoor-air-quality-monitor-detects-co2) ## 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 Product description 6 In 1 Air Quality Monitor PTH-9A is a multifunctional air quality monitor that simultaneously detects carbon dioxide concentration, temperature, humidity, AQI (Air Quality Index), and PM2.5 (Particulate Matter),PM10. With its help, we can clearly understand the air quality of our living environment. Backlit screen The air quality monitor with smart color display points to different color areas depending on the level of the air quality index, so you can easily keep track of the current status of the air quality. With the backlit display, you can check the air quality even in the dark with large and clear readings. AQI Alarm When the AQI exceeds 100 and the buzzer is on, the buzzer will sound an alarm. At this time, press and hold the "+" button to abort the alarm. We can see three different facial indicators on the screen, corresponding to the three stages of the AQI. Green represents the good stage (0-50), yellow represents the normal stage (51-100) and red represents the bad stage (101-500) Hang and Place Two possible uses: Wall mounting or tabletop version. You can put it on a stand or attach it to the wall by means of a mounting hole on the back side to the wall. Just choose the mounting method you prefer. With its help, we can maintain the best air quality in grow tents, wine cellars, cars, offices and so on. Calibration Mode In the off state, take the product to a ventilated place and press and hold three keys at the same time, then the product will enter the automatic calibration state of CO2 concentration value for 200 seconds; during the period, make sure no one is near to avoid interference with the calibration. °C & °F Conversion Single click the turn on /off ”+“ button to switch °C & °F models. Long press it to turn on or off the buzzer. Press the RESET key with a single press using a pointed object while powered on to achieve a reset. Time Setting Press the "-" key to switch the time, date and year, press the power button twice to enter the setting mode, the setting order is year, date to time, press the power button to confirm each setting, and enter the next setting item. 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 ![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) - 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-inkbirdplus-6-in-1-indoor-air-quality-monitor-detects-co2](https://www.desertcart.hr/products/539603396-inkbirdplus-6-in-1-indoor-air-quality-monitor-detects-co2) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-11*