Banggoodでのrcおもちゃ、楽しいスポーツ、ファッション、人気のある電子機器のトップポジティブレビュー Japan|購入日本

14% OFF 3 in 1 デジタルCO2メーターカーボンディオキシドメーターエアクオリティモニターテンプヒュミディティエアアナライザーホームオフィス用 US$24.99 US$28.99 View It

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TimLee 21/04/2022

Seems to work as expected. A neat & tidy unit with a bright clear display. The description above is misleading though, the accuracy in the documentation is listed as +/- 50 ppm +/- 5%. A device for the claimed 1ppm accuracy might perhaps start at 100x the cost and need reference calibration. There are published sources for recent atmospheric CO2 levels to compare with if you can get this into a space with clean fresh uncontaminated air, such as https://www.csiro.au/en/research/natural-environment/atmosphere/latest-greenhouse-gas-data/ I've found that you need to be reasonably far away from it to not have your breath affecting it so it does seem to do a reasonable job of CO2 reporting - for a cheap device anyhow. For noting if there's a problem with indoor air currently, this will be useful. Arrived in 4 weeks which is about normal currently.

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バッジについて

CEOバッジ

CEOバッジの所有者はバングッドのボス。

獲得できるバッジはまもなく提供されます

About Badges

Badges are related to the community, and users earn badges by creating quality content, completing missions, or by participating in special activities.

Helpful Badges

The Badge is awarded to users who are subscribed to the Invite Answer email and signifies their gratitude to help others. The badge appearance upgrades as the user helps more people.

You are the expert,can you help?

We sincerely invite you to subscribe to the Invite Answer email!

Help others and be happier!

Thank you! Your answer will help ###name### and ###num### other people!

Subscribe to "Invite Answer" emails and use your knowledge to help more people with product questions. By subscribing you'll also earn the "Helpful Badge"!

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バッジについて

About Badges

Helpful Badges

You are the expert,can you help?