Welcome to Rice Lake Weighing Systems mass calibration laboratory. Our full-time staff with over 200 years of combined experience are the industry-leading experts in calibration services and test weight selection.
The National Voluntary Laboratory Accreditation Program (NVLAP) is a National Institute of Standards and Technology (NIST) program in the United States, which provides an unbiased third-party test and evaluation program to accredit laboratories. Please click HERE to access our accreditation certificate.
Rice Lake Weighing Systems' mass calibration laboratory is also a full member of the following organizations:
- ILAC – International Laboratory Accreditation Cooperation
- APLAC – Asia Pacific Laboratory Accreditation Cooperation
- IAAC – Inter American Accreditation Cooperation
The lab was also audited for compliance to ILAC P14:01/2013 ILAC Policy for Uncertainty in Calibration.
Calibration Services – Four-Day Turnaround
Virtually all of our test weight recalibration and certification services receive an industry-leading four-day turnaround. If you need a custom solution, we manufacture custom test 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 form below.
Recalibration Form PDF
Statement of Decontamination Form
Packing your weights
To ensure your test weights arrive at our lab safely, please follow the steps outlined below.
1. Secure Your Weights
All weight sets need to be secure in their case. Even accessories such as milligram covers need to be protected so they cannot move.
2. Use Foam or Bubble Wrap
Wrap small cases and individual weights in foam or bubble wrap. Packing peanuts create static electricity. Please do not use them to pack your weights.
3. Pack Your P.O.
Include with your properly packed weights a copy of your quote, purchase order or a copy of the
This information will ensure that your weights will receive the desired service and quickest turnaround time.
4. Separate Heavy Weights
Large weights, 20 pounds and 10 kilograms or heavier, should be packaged in individual boxes.
5. Do Not Mix Weights
To ensure your weights arrive safely, do not package stainless steel weights with cast iron weights.
To speak with one of our test weight experts, please call 800-472-6703 or email firstname.lastname@example.org