Please use the form below to contact our Service Department for all issues related to calibration, equipment repairs, system upgrades, field service, lab service at our Fullerton, CA facility and related issues. Detailed information on the services we provide can be found by scrolling to the bottom of the page.Learn More About United's Service Network
Upgrades
United Universal Testing Machines are known for their reliability and longevity. We often provide routine service to customers whose machines have been in daily use for more than 25 years. If you have an older United SMART Model computerized testing machine, you may want to consider a software and/or hardware upgrade to bring your machine up to current specifications. An upgrade is often a practical alternative to replacement of a machine which could provide many additional years of trouble-free service.
Field Services
United has field service engineers throughout the United States and Canada capable of providing accredited calibration services at your facility. Force calibration up to 1 million pounds can be performed at your facility. Repair services include, but are not limited to the items listed below.
| Test Machine – Universal, Fatigue, Stress |
| Test Machine – Load frame alignment (ASTM E1012 and GE S-400-E) |
| Loadcell – Electronic, hydraulic; force gage. Tension/Compression/Torque |
| Strain Gage Extensometer or Compressometer |
| High Elongation Extensometer |
| Laser Extensometer |
| LVDT Coil Type and Mechanical Lever Type Deflectometer/Extensometer |
| Laminating Press (Pressure Only) |
| Oven Temperature Uniformity Survey |
| Probe Check for Cold Room, Hot Room, Freezer, Oven |
| Stress-Strain Recorder – mv input |
| Recorder, Controlller – non-mv input |
| mv temperature recorder, digital thermometer and temperature controller/indicator |
| Rockwell Hardness Tester (regular & superficial scales) – Direct & Indirect Methods |
| Micro-hardness Testers |
| Brinell Hardness Tester: Direct and Indirect Methods |
| Optical Comparator |
| Kneading Compactor – Soil & Asphalt |
| Expansion Pressure Device (R – Value Frame) |
| Balances: Electronic, Pan, Beam, Platform Scale |
| Impact Test Machine – Charpy, Izod |
| Durometer |
| Stopwatch Timer |
| Dynamometer, Crane Scale |
| Cable Tensiometer |
| Torque Wrench |
| Proving Ring – Soil test |
| Weights – stress rupture |
| Torque Tester |
| Micrometer and Caliper Calibration |
| Pressure Measurement Devices |
| Humidity Measurement |
Lab Service
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).
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%
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.
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.
Economical
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.
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.