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Unread 11/14/2017, 03:54 PM   #1
Jyetman
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Apex PM2 COND Calibration info

Just had my PM2 repaired do I need to recalibrate the probe? Not sure if they repaired or replaced the electronics board if they replaced it does it contain the calibration settings?


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Unread 11/14/2017, 08:41 PM   #2
slief
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I don’t think anybody can answer that for you. I think you need to plug the probe in and let it settle for a week and then compare the readings to a refractometer. Calibration information should be stored in the base unit and if the Address didn’t change, that info should be retained but short of comparing the readings to a refractometer, there is no way to be certain. I’d recalibrate it anyways after the probe settles in just for peace of mind though.


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Unread 11/14/2017, 08:47 PM   #3
Jyetman
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Quote:
Originally Posted by slief View Post
I don’t think anybody can answer that for you. I think you need to plug the probe in and let it settle for a week and then compare the readings to a refractometer. Calibration information should be stored in the base unit and if the Address didn’t change, that info should be retained but short of comparing the readings to a refractometer, there is no way to be certain. I’d recalibrate it anyways after the probe settles in just for peace of mind though.
The COND probe is reading 34.4 and my Milwaukee MA887 reads 34 PPT is this close enough?


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Unread 11/14/2017, 09:00 PM   #4
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Quote:
Originally Posted by Jyetman View Post
The COND probe is reading 34.4 and my Milwaukee MA887 reads 34 PPT is this close enough?
That is pretty much spot on.


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