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Validation of weight control

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DannyO

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Posted 30 March 2022 - 04:50 PM

We are a co-packer and are finishing construction of a new room with a high speed Multipond combination scale. As I am writing up my validation plan, I find out that in the infinite wisdom of our Engineering Director they decided to not order checkweighers because the sales rep said we don't need them. 

 

The scale does have a function where drops that aren't in the weight get diverted. I also found out that I am able to pull weight data for the scale drops (which also indicated rejected drops).

 

As a co-packer our customers require something for weight control. How can I demonstrate to them with the high precision of the scale coupled with the diverter system that we are maintaining weight control?

 

Thanks. 



nicfarmer12

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Posted 30 March 2022 - 07:01 PM

It sounds like the "check weigher" is pretty much built into the scale. Especially if it is diverting packages that are no within range. I am wondering if you could simply write up some document that states "all packages go through scale and if they are out of range, they are diverted to separate area until disposition can be made"?  

 

And it may have to be more specific customer based. Could  you send them images of the settings that show them the minimal weight, nominal weight, and then the top weight allowed? 


Nicole Farmer

 


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Kara S.

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Posted 30 March 2022 - 07:20 PM

It sounds like the "check weigher" is pretty much built into the scale. Especially if it is diverting packages that are no within range. I am wondering if you could simply write up some document that states "all packages go through scale and if they are out of range, they are diverted to separate area until disposition can be made"?  

 

And it may have to be more specific customer based. Could  you send them images of the settings that show them the minimal weight, nominal weight, and then the top weight allowed? 

 

I agree with Nicfarmer12. That scale is in essence your checkweigher. In addition to the having that policy written up, you can have supporting calibration records along with verification checks by your operators on a benchtop scale to show compliance. Or do a different form of daily/weekly/start-up verification to show that you put a known weight into the system and the read out was accurate.

 

If you are placing these packages into another secondary package, you may want a checkweigher to ensure you have the correct number of units within that secondary package. 


Kind regards, 

 

Kara

Food & Beverage Industry Consultant

IFSQN Business ListingLinkedIn  |  Webpage

 

 


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