A digital kitchen scale weighs six ripe tomatoes and displays a measurement of 88 grams. Beside the scale are more tomatoes and their leaves.

WeighMax Scale Calibration

ATS offers WeighMax scale calibration for a diverse catalogue of scales. WeighMax produces industrial scales, ramps, tabletop scales, and pocket scales with many applications. From manufacturing to shipping, many industries rely on scales for accurate weight measurements. ATS calibration experts provide periodic and as-needed calibrations to restore confidence in measurement accuracy and ensure proper equipment function.
When Should You Calibrate Your Scale?
Clients should schedule calibrations at regular intervals to counteract drift and the wear and tear caused by normal operation. Many manufacturers recommend annual calibrations for users to verify equipment function. Following a periodic calibration schedule can help clients avoid recalls, quality changes, reputation loss, and potential legal ramifications associated with inaccurate measurements.

ATS can also provide more frequent calibrations for clients whose scales must deliver precise measurements or after the following:

Our Calibration Lab Environment
ATS maintains ISO/IEC 17025 calibration accreditation for field and lab services. Once a device arrives in our lab, it spends at least 24 hours acclimating to the stable environment. To minimize the potential for error, we regulate the lab’s temperatures to +/- 2 degrees of 68 ˚F and relative humidity between 30 and 55% RH. Additionally, the isolation joints along our laboratory floor help absorb vibrations produced during normal operations.
Our experts have the experience and skill to achieve an average turnaround rate of 7 to 10 business days for instruments calibrated in our lab. Call our representatives to see if you qualify for field or expedited services.
Our Scale Calibration Procedure


When a WeighMax device arrives in our lab, ATS experts first inspect the device for signs of damage. The scale’s accuracy can significantly degrade if damaged by corrosion, electrical shock, or mechanical shock. If our experts uncover damage to the scale, they consult with the client about any necessary repairs before calibrations can continue.


ATS calibrates for accuracy, repeatability, and eccentric load with ASTM Class 1 and ASTM Class F weights. Our certified calibration range of 1 milligram (mg) to 1,200 pounds (lbs) covers the capabilities of most WeighMax products. If a scale returns measurements outside the customer or manufacturer’s tolerances, an ATS expert can adjust the device for NIST traceability. We tailor our procedures to comply with client-specified parameters and industrial standards, such as ASTM.


We compile our observations and WeighMax scale calibration data in a certificate of calibration available on iPortal, our secure web platform. iPortal gives clients 24/7 access to past calibration documents, and current equipment statuses.

More Scale Calibrations
ATS calibrates scales from other manufacturers, such as Rice Lake Weighing Systems and American Weigh Scales. We can calibrate several types of scales, including:
Calibrations from the ATS FoC
Founded in 1967, ATS has provided calibration, testing, inspection, and consulting engineering services to national and international clients for decades. We lead a growing Family of Companies (FoC) consisting of dozens of firms strategically aligned to serve clients from locations nationwide.

We operate qualified labs under a central ISO 9001 Quality Management System. Our labs are ISO/IEC 17025 accredited in calibration, mechanical testing, nondestructive testing, electrical testing, and chemical testing. The ATS calibration lab follows ANSI/NCSL Z540-1 requirements for calibration measuring and testing equipment. Additionally, we comply with federal regulations 10 CFR Part 21 and 10 CFR 50 – Appendix B.

Click here to learn more about our labs.
Contact Us
Call +1 (888) 287-5227 or submit the form on this page for digital WeighMax scale calibration today.
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