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)
$89.99
Price: $89.99
(as of Jun 18, 2025 16:18:43 UTC – Details)
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Indoor Air Quality Monitor
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INKBIRD is a smart IoT technology company and its business was established in 2010. As a high-tech company, INKBIRD has been devoting itself to offering its worldwide users excellent smart home living products, since the date it was established.
INKBIRD will devote our effort to helping customers create a more comfortable, more enjoyable, and more secure life.
Product Dimensions : 4.72 x 3.15 x 1.57 inches; 10.72 ounces
Item model number : PTH-9A (6-in-One)
Batteries : 1 Lithium Ion batteries required. (included)
Date First Available : July 27, 2022
Manufacturer : INKBIRDPLUS
ASIN : B0B7QG8D8R
6-in-1 Air Quality Monitor: INKBIRDPLUS 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 Alarm: This 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 Function: After 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
Color LED Screen: The color display with backlight makes each value clear at a glance, and you can also check the time/date/year on the detector. This air quality meter also supports setting the current time, C°/F° switching
Wide Application: This portable detector can detect air quality in bedrooms, living rooms, kitchens, cellars, cars, grow tents and more. With a hook design, it can be placed on the desktop or hung on the wall for easy viewing, is an ideal indoor air quality detector for our lives
NOTE: We recommend that when using the detector for the first time, place the device in an open and uninhabited environment and manually calibrate it once to avoid inaccurate readings
Customers say
Customers find the CO2 detector easy to set up and use, with a bright display that’s easy to read during daytime. The device provides accurate temperature and humidity readings, though some report temperature readings being 2 degrees higher than actual. The functionality and build quality receive mixed reviews, with some units stopping working after a month and breaking within two months. Battery life is also mixed, with some reporting it lasts forever while others say it only lasts about 24 hours. The CO2 level monitoring receives mixed feedback, with some finding it great for checking CO2 while others report wildly inaccurate readings.
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