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LPS25HB barometer - is it temperature compensated?

caferacer
Associate II

‎2024-11-04 02:40 AM - edited ‎2024-11-04 02:43 AM

Hi. I have two LPS25HB on PCB board. After I cooling them with room air, they show signifacant drop in pressure readings. Do they have full temperature compensation? Are compensation registers protected from accidental erasure?

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4 REPLIES 4
Andrew Neil
Evangelist III

‎2024-11-04 03:04 AM

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caferacer
Associate II
In response to Andrew Neil

‎2024-11-04 04:13 AM - edited ‎2024-11-04 04:13 AM

I thought so too. Then what is this drops on the pressure graph?

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Andrew Neil
Evangelist III
In response to caferacer

‎2024-11-04 04:46 AM

If you're blowing on them, that will affect the pressure ...

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caferacer
Associate II
In response to Andrew Neil

‎2024-11-04 05:33 AM

I only blow on them for about 10 seconds. After this, they restore pressure within 400 seconds.

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