Category Archives: Weights

Upcoming Changes to NIST Handbook 105-1 Requirements for Class F Calibration Weights

Beginning January 1, 2020, Class F calibration weights will no longer be sold for legal metrology use. According to the newly updated NIST Handbook 105-1 (2019), new weights for use as field standards placed into service for weights and measures use after this date must comply with all of the requirements of NIST Handbook 105-1… Read More: Upcoming Changes to NIST Handbook 105-1 Requirements for Class F… »

Weight Tolerances

Recently, I was informed of a situation that involved a digital infant scale and a “test weight” also known as a 5 pound consumer barbell weight. Apparently, the barbell weight was used to check the digital scale and it was thought that the scale had not been calibrated correctly due to a scale readout of 5.2 lbs. Actually, consumer barbell weights… Read More: Weight Tolerances »

Wrestling Scale Certification

Each year customers at middle school, high schools, and colleges contact our scale company looking to purchase certified digital scales to use for their wrestling team or sometimes they just simply want to get their old scale checked and certified. Most of the time the process is pretty simple. However, occasionally the customer is not… Read More: Wrestling Scale Certification »

Best Practices For Calibration Test Weights

Rice Lake’s Metrology department has retained its world class reputation through its highly trained staff and adherence to stringent handling procedures–from receiving, to calibrating, to shipping. The information below from Rice Lake highlights the standard procedure that they use upon receipt of your test weights. Here you’ll also find the best practices that Rice Lake… Read More: Best Practices For Calibration Test Weights »

Checking and Calibrating Scales with Certified Test Weight

Checking scales with certified test weights is an important part of the overall service and calibration plan for both industrial and retail scales. The test weights used to check the scales are very accurate and are tested by the state laboratory at certain intervals to make certain the test weights are accurate and to make… Read More: Checking and Calibrating Scales with Certified Test Weight »

Common Questions Answered Regarding Counting Scales

Counting Scales are very similar to other scales in terms of weighing, but the counting scale does two additional functions, by performing operations in division and multiplication based on the internal resolution.  Please continue reading below as Jim Daggon and Ann Crowley from Rice Lake Weighing Systems answer some of the common questions relating to counting scales like the… Read More: Common Questions Answered Regarding Counting Scales »