United Laboratory Services

Huntington Beach, California

deadweight calibration machine
united testing

Force Laboratory

United provides force calibration from 0 to 500,000 pounds in accordance with the requirements of ASTM E-74 and from 0 to 1,000,000 E-4 with IAS accreditation (Calibration Laboratory CL – 128).

Force Calibration

United’s automated dead weight tester provides calibration to 5,000 pounds force in 5-pound steps with accuracy of one part in 250,000 or Class C weights.

Load Cells (high accuracy)

United load cells provide force calibration (in house) to 500,000 pounds with accuracy of 0.05% and to 1,000,000 pounds (on-site) with an accuracy of 0.25%

Proving Rings

United proving rings provide force calibration to 400,000 pounds. Accuracy: 0.02% to 60,000 pounds, 0.05% to 400,000 pounds.

Dependable Service

United prides itself on having one of the best force labs in the United States. Our temperature-controlled laboratory has qualified personnel and sufficient equipment to provide high-quality service and fast turnaround. If your load cell requires a special mounting adapter for laboratory calibration, we probably already have it. If not, our 20,000 square foot machine shop can make any adapter that is required.


Are you paying too much for laboratory calibration? Contact us for a quotation. It is not unusual for customers to save as much as 40% from their current costs by selecting accredited calibration services from United.
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