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Temtop P20C Thermometer and Hygrometer PM2.5 CO2 Air Quality Monitor Data Export Tabletop Temperature Humidity Meter

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  • Free Shipping Within US

    Shipping within 24 hours. Free Standard Shipping in US: 3-5 Days for delivery. Fast Worldwide DHL Shipping.


    Not the right fit? No worries. We'll arrange pick up and a full refund within 7 days including the delivery fee.


    Quality comes first and our products are designed to last.

Many people are not aware of the air they are breathing. High levels of gas from manufacturers, high concentrated agricultural chemicals, burned fossil fuels, vehicles, wildfires, powder from plants and even wood stoves are contributing to rising levels of PM2.5 particles in the air. According to WHO annual death from air pollution is about 7 million people and the figures keep rising. The recommended level of PM2.5 is ug/m³ but many countries exceed this number. PM2.5 is one of the main causes to increase problems with cardiovascular disease, among other health problems that it can cause.

Temtop P20C is a high-quality air meter to help protect you from high levels of pollution. With adequate features of PM2.5, temperature, and humidity, it is a real-time monitor with data export functions of the last 12 hours. Keep you and your family safe, know when to wear masks and when to avoid outdoor activities.

Key Feature:

  • 【4 in 1 Thermometer, Hygrometer and Air Quality Monitor】Accurately tells you temperature & humidity, PM2.5, CO2, current week-time, ideal for the management of room, office, hotel, laboratory and hospital.
  • 【Max & Min Records】Digital thermometer displays MAX & MIN humidity, temperature(℉/℃ optional) CO2 and PM2.5 records in real-time; also shows the histogram in the past 12 hours , allowing you to adjust thermostat or humidifier or air purifier in time.
  • 【Air Comfort Indicator】7.6'' large LCD screen: smart design with face icon indicates the surrounding air condition for PM2.5 (GOOD/FAIR/POOR)and humidity(DRY/COMFORT/WET).
  • 【Data Report】Comes with a USB cable, and supports USB exportation of historical data as long as 10 years at 1-hour logging interval.(exported to CSV).
  • 【Easy to Use】Built-in 3000mAh rechargeable lithium battery that runs about 6-8 hours on a full charge. Both back stand and wall mounted design for convenient use. 24/7 US Technician Support via Email and Phone


Dimensions  6.9 x2.6 x 1.2 in
Battery capacity 3000mAh
Battery voltage 3.7 VDC
Battery life 6-8h on a full charge
Input voltage/current DC5V, 1A
Operating environment 0-50℃(32-122℉); 0-90%RH
Atmospheric pressure 1 atm standard atmosphere

Measuring Range: 0-50℃(32-122℉)

Accuracy: ±1℃(±1.8℉)


Measuring range: 0-90%RH

Accuracy: ±5%RH

PM2.5 Sensor

Laser particulate matter sensor

Measuring range: 0-999ug/m³

Resolution: 0.01 ug/m³(0-9.99ug/m³); 0.1 ug/m³(10-99.9ug/m³); 1 ug/m³(100-999ug/m³)

Accuracy:±10 ug/m³(0~100 ug/m³); ±10%(100~500 ug/m³)

CO2 Sensor

Measurement range: 0-5000 ppm

Resolution: 1 ppm

User Manual Download
CE Certificate Download
Export data function Step 1: Connect to PC via USB.
Step 2: Hold the Set button on the device to enter USB mode.Step 3: Check the flash drive named "TEMTOP".
Warranty 1 Year

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return results from our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper. However, you will receive a refund more quickly in many cases. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, please email

We'll notify you via email of your refund once we've received and processed the returned item.

Return Shipping Address: Elitech Technology, Inc. 2528 Qume Drive #2, San Jose, CA 95131, United States

Tel: (+1)4088444070

Shipping: We can ship to virtually any address in the world.

Note that there are restrictions on some products, and some products cannot be shipped to international destinations. When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose.

Depending on your chosen shipping provider, shipping date estimates may appear on the shipping quotes page. Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
United States: Shipping within 24 hours.

Free Standard Shipping in the US: 3-5 Business Days for delivery.

Next Day Shipping Service Available in the US: Orders placed before 12:00 pm PST will be shipped on the same day!

Worldwide: Fast Worldwide DHL Shipping.

2-3 business days to prepare the items and 10-14 business days for delivery. The buyer covers tax.

Note: ISO 17025 certified version data loggers are PRE-SALE only.

Lead time: 2 weeks.

The shipping cost will be shown according to the weights and countries at the checkout. If your items were lost in transit, please email

We will send you a replacement or a refund.

Customer Reviews

4.5 / 5

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