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Weights and Measures information Iowa

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Everything you need to know for Iowa

Weights and Measures information

Please contact Weights & Measures

Phone: 515-725-1492



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To begin the process a Scale Application must be completed.

These licenses are only valid for one year and expire on December 31st each year. 

Renewals can be completed either with the Scale Application or online HERE.


For proper calibration, it is necessary to use a certified Service Company/Weighmaster.

A complete list can be found HERE.

After proper calibration, the Service Agent will complete a Placed-In-Service Form and deliver it to the Department of Weights & Measures. 


Each year an Inspector will visit your business and test any scale Placed-In-Service. 

It is recommended to have the scale recalibrated each year by a certified Service Company. 

Scales that fail inspection are subject to fine. 

Related Materials

NTEP Certification Search

NIST Handbook 44 (2018 Edition)

Certificate of Conformance #17-152A1

Scale Application

Placed-In-Service Form

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