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Rice Lake Weighing Systems Metrology Servicesfour day turnaround

Rice Lake’s two metrology labs bring you nationwide service, expanded calibration offerings and industry-leading metrology experts—all with a leading 4-day calibration turnaround.




Our Metrology Labs

Rice Lake Metrology Lab

Our metrology lab in Rice Lake, Wisconsin has been providing quality mass calibration services to Rice Lake Weighing Systems customers for more than two decades with the weight and calibration industry’s only metrology lab with a four-day turnaround. The Rice Lake, Wisconsin lab is accredited by the National Voluntary Laboratory Accreditation Program (NVLAP 105001-0), an accreditation program by NIST providing unbiased third-party laboratory evaluation, as well as the American Association for Laboratory Accreditation (A2LA 4363.01). Our metrology lab staff has more than 200 years of combined experience and includes experts in the field of weight recalibration and certification, including the manufacture of custom weights in any size or value.

Concord Metrology Lab

Our Concord, California metrology lab (formerly Heusser Neweigh) is a state-of-the-art metrology lab committed to delivering the latest calibration methodology with the most precise calibrations. The lab’s professional metrologists frequently attend and participate in NIST training, conferences, seminars and other educational opportunities. Our Concord, California lab is also active in the NIST Western Regional Measurement Assurance Program (WRAP), the National Conference of Standards Laboratories International (NCSL International), and the American Society for Quality (ASQ). This lab is also accredited by the American Association for Laboratory Accreditation (A2LA 1823.01) and the National Voluntary Laboratory Accreditation Program (NVLAP 600169-0).

Our Metrology Services

Rice Lake offers three different certificates to accompany your weight calibration services. Depending on your application, you may be required to provide a certain level of certification. Always ensure you are requesting the correct certificate for your use. Rice Lake’s metrology staff can help guide your certificate decision, but ultimately, we request you provide the level of traceability and accuracy needed for your calibration services.

Available certificates include:

  • Certificate of Weight Calibration (Accredited)
  • Certificate of Weight Calibration (Non-accredited)
  • Statement of Accuracy (Not a Legal for Trade or traceable document)
Title Download Email
ISO 9001:2015 Certificate of Registration Download Email
ISO 9001:2015/AS9100D Certificate – Seattle, WA Location Download Email
ISO/IEC 17025:2017 A2LA Scope of Accreditation - Concord, CA Download Email
ISO/IEC 17025:2017 NVLAP Scope of Accreditation - Concord, CA Download Email
ISO/IEC 17025:2017 A2LA Scope of Accreditation - Rice Lake, WI Download Email
Verified Conformity Assessment Program (VCAP) Certification Download Email

How to Order Our Services

Virtually all of our weight re-calibration and certification services receive an industry-leading four-day turnaround. If you need a custom solution, we manufacture custom calibration weight values and sizes. Our staff is ready to assist and answer your questions. Please call 800-472-6703 for assistance in quoting the correct service for your needs. You may also submit the forms below.


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Class F Calibration Weights No Longer Sold for Legal Metrology Use Starting January 2020 View Email Calibration Weights/Services|Test / Calibration Weights|Calibration Services Articles
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