CO2 Air Quality Monitor, PM2.5/HCHO/TVOC/Temperature/Humidity

Size chart

Clothing Size Conversion Chart
Category	US	EU	UK	Chest (in)	Waist (in)	Hips (in)
Men	XS	44	34	32-34	26-28	33-35
	S	46	36	34-36	28-30	35-37
	M	48	38	38-40	32-34	39-41
	L	50	40	42-44	36-38	43-45
	XL	52	42	46-48	40-42	47-49
Women	XS	32	6	31-32	24-25	33-34
	S	34	8	33-34	26-27	35-36
	M	36	10	35-36	28-29	37-38
	L	38-40	12-14	37-39	30-32	39-41
	XL	42	16	40-42	33-35	42-44
Youth	XS	128	7	26-28	23-24	26-28
	S	134	8	28-30	24-25	28-30
	M	140	10	30-32	25-26	30-32
	L	146	12	32-34	26-27	32-34
	XL	152	14	34-36	27-28	34-36

Pants Size Conversion Chart
Category	US	EU	UK	Waist (in)	Hip (in)	Inseam (in)
Men	28	44	28	28	34	30
	30	46	30	30	36	31
	32	48	32	32	38	32
	34	50	34	34	40	33
	36	52	36	36	42	34
Women	0	32	4	24	34	30
	2	34	6	25	35	30
	4	36	8	26	36	31
	6	38	10	27	38	32
	8	40	12	28	40	32

Shoes Size Conversion Chart
Category	US	EU	UK	Foot Length (in)
Men	6	39	5.5	9.25
	7	40	6.5	9.625
	8	41	7.5	10
	9	42	8.5	10.25
	10	43	9.5	10.625
	11	44	10.5	11
	12	45	11.5	11.25
	13	46	12.5	11.625
Women	5	35	2.5	8.5
	6	36	3.5	8.875
	7	37	4.5	9.25
	8	38	5.5	9.625
	9	39	6.5	10
	10	40	7.5	10.25
	11	41	8.5	10.625
	12	42	9.5	11
M (Unisex)	5	37	4.5	8.75
	6	38	5.5	9
	7	39	6.5	9.5
	8	40	7.5	10
	9	41	8.5	10.25
	10	42	9.5	10.625
	11	43	10.5	11
	12	44	11.5	11.25

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CO2 air quality monitor automatic calibration, alarm functions for exceeding pollutant levels, and real-time data with a sampling time of just 1.5 seconds. The monitor offers a user-friendly LCD display with multiple interface options, historical data storage, and the ability to switch between Celsius and Fahrenheit. It is powered by a 3000 mAh rechargeable lithium battery with USB charging, making it both portable and convenient.

Specification

Model	T-AQM-DM72B
Measuring Items	CO2, PM2.5, PM10, PM1.0, AQI, HCHO (Formaldehyde), TVOC, Temperature, Humidity
Display Method	LCD Screen
Detection Method for CO2	Infrared (NDIR)
Detection Method for PM	Laser Scattering
Detection Method for HCHO	Electrochemistry
Detection Method for TVOC	Semiconductor
Concentration Unit for CO2	ppm
Concentration Unit for PM	µg/m³
Concentration Unit for HCHO and TVOC	mg/m³
CO2 Measuring Range	400-5000 ppm
PM Measuring Range	0-999 µg/m³
HCHO Measuring Range	0.001 – 1.999 mg/m³
TVOC Measuring Range	0.001 – 9.999 mg/m³
Atmospheric Pressure	12.5 PSI – 15.4 PSI
Sampling Time	1.5 Seconds
Temperature Range	-10℃ – 50℃ (14°F – 122°F)
Storage Temperature	-10℃ – 60℃ (14°F – 140°F)
Relative Humidity	20% – 85%
Humidity Range	20% – 85%
Power Source	3000 mAh Rechargeable Lithium battery, 5V DC Power Charging via USB Port
Product Weight	235 g
Product Size	145 x 78 x 97.2 mm

Feature

Comprehensive Detection: Simultaneously monitors CO2, temperature, humidity, PM2.5, PM1.0, PM10, formaldehyde (HCHO), and total volatile organic compounds (TVOC).
Automatic Calibration: Ensures accurate readings by auto-calibrating the sensors without manual intervention.
Exceeding Alarm: Provides real-time alerts when pollutant levels exceed safe thresholds, with automatic detection and measurement.
Customizable Interface: Easily switch between different display interfaces to view the data that matters most.
Data Logging: Saves historical records for long-term tracking of air quality trends.
Temperature Unit Flexibility: Allows switching between Celsius and Fahrenheit for temperature readings.
Adjustable Alarm Sound: Option to turn the alarm sound on or off based on user preference.

Structure

Application

Tips: Can this CO2 air quality monitor be used in outdoor environments?

This device is primarily designed for indoor use. While it can be used outdoors, environmental factors such as humidity, temperature, and wind may affect the accuracy of the readings. It’s best to use it in controlled environments for consistent results.