HDC3022: Minimum Air flow requirements for humidity sensor.

Tarun Kumar

Part Number: HDC3022

Tool/software:

I am looking for minimum air flow requirements for humidity sensor HDC302x sensor with good response time. Whare can i find this dat?

10 months ago

0 HarryG 10 months ago

TI__Expert 4840 points

Hello Tarun,

Please see the following document for information on optimizing your design for air flow (check out Section 2.1): https://www.ti.com/lit/an/snaa297a/snaa297a.pdf

Regards,

Harry

0 Tarun Kumar 10 months ago in reply to HarryG

Prodigy 20 points

Hi Harry

Thank you for the reply.
I have seen the design considerations. I want to use HDC302X with filter protection. I need respose time of the sensor with filter. For calculation, I want to know the Air permiability of the membrance. Do you know where can i find that?

0 HarryG 10 months ago in reply to Tarun Kumar

TI__Expert 4840 points

Hello Tarun,

While we don't have publicly available data on the response time of the HDC3022. The HDC3022 has an expected 63% response time of 5 seconds compared to 4 seconds for the standard device.

Regards,

Harry

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HDC3022: Minimum Air flow requirements for humidity sensor.