# Air purifier 3 -read data

**URL:** <https://discourse.nodered.org/t/air-purifier-3-read-data/23509>\
**Category:** General\
**Created:** [23 March 2020 14:17 UTC](https://discourse.nodered.org/t/air-purifier-3-read-data/23509 "2020-03-23T14:17:37Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Miko7](https://avatars.discourse-cdn.com/v4/letter/m/ecc23a/32.png) [@Miko7](https://discourse.nodered.org/u/Miko7)\
**Post date:** [23 March 2020 14:17 UTC](https://discourse.nodered.org/t/air-purifier-3-read-data/23509/1 "2020-03-23T14:17:37Z")

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I have an air purifier 3. I am now connected to the unit (I found the token). I control the device (ON, OFF ...).  
I do not know how to set the data reading from the device. (air quality, temperature, humidity)

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**Author:** ![knolleary](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/knolleary/32/3_2.png) [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Post date:** [23 March 2020 14:25 UTC](https://discourse.nodered.org/t/air-purifier-3-read-data/23509/2 "2020-03-23T14:25:05Z")

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Hi @Miko7

Your question doesn't give us very much information to help you.

What is an air purifier 3? Do you have a link to any relevant documentation? How are you connecting to the device? What nodes are you using?

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**Author:** ![Miko7](https://avatars.discourse-cdn.com/v4/letter/m/ecc23a/32.png) [@Miko7](https://discourse.nodered.org/u/Miko7)\
**Post date:** [23 March 2020 14:33 UTC](https://discourse.nodered.org/t/air-purifier-3-read-data/23509/3 "2020-03-23T14:33:55Z")

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Sorry. I use this node [https://flows.nodered.org/node/node-red-contrib-mi-air-purifier3](https://flows.nodered.org/node/node-red-contrib-mi-air-purifier3). Thanks

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**Author:** ![zenofmud](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/zenofmud/32/316_2.png) [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Post date:** [23 March 2020 14:46 UTC](https://discourse.nodered.org/t/air-purifier-3-read-data/23509/4 "2020-03-23T14:46:28Z")

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There isn't much information in that nodes README. Have you put a `debug` node (set to display 'Complete msg object') on it's output to see what comes back?

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [22 May 2020 14:46 UTC](https://discourse.nodered.org/t/air-purifier-3-read-data/23509/5 "2020-05-22T14:46:31Z")

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