Do I have a hard drive with a faulty helium sensor?

[adamgrant82]

I have four 8TB helium hard drives model# HGST Ultrastar He8 HUH728080ALE604 the other day one drive failed S.M.A.R.T. due to the helium levels showing 6% I ran a full test on the drive with the WD software and it passed then the next day it was showing 1%. I transferred all my files over to one of the other drives installed after this was complete I checked the helium and it was showing 64% over the next week I was keeping a eye on this drive and the helium levels looked like a rollercoaster they was going up and down all over from 1% to 100% where at idle the drive falls to it's lowest(under 20%) under load it goes up to 50%-86% or if left off it's at 100% when checked right after turning the computer on. I'm already getting a replacement but is this drive still safe to use? I'm converting my Lenovo ThinkStation P510 into a home NAS I already have five 8TB drives for storage.
Just wondering if this is a common fault with helium hard drives.
Thanks for any help.

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[fzabkar]

it was showing 64% over the next week

Those raw values in CrystalDiskInfo are hexadecimal numbers.

0x64 = 100 decimal

That said, there does appear to be something wrong with the sensor.

[adamgrant82]

Does that mean the hard drives going to fail if that sensor stops working? or can this drive still be used and just don't worry about the readings?

[fzabkar]

Does that mean the hard drives going to fail if that sensor stops working? or can this drive still be used and just don't worry about the readings?

I recall one thread where a DR pro observed that some drives won't spin up if the sensor is reporting a low He level. Yours doesn't appear to behave that way.