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“Sometimes the best thing to say is thank you. With that being said, LTI has helped us tremendously here so thank you, thank you, thank you.”

Tommy Craig
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Torque Calibration

Torque Sensor, Tensiometer, Torque Wrench Calibration and More

Torque calibrationCompanies that work with torque instruments find that maintaining traceability and reliable measurement with routine torque calibration supports the quality of their operations. Laboratory Testing Inc. issues a Calibration Certificate for each item calibrated with all results and details of the torque calibration performed, as well as information on NIST traceability and our A2LA accreditation to ISO/IEC 17025.

Torque calibration can be performed at LTI Metrology with loads up to 2,000 Ft. Lbs. The wide-range of capabilities includes torque wrench calibration service, torque sensor calibration, tensiometer calibration and verification of many other instruments within the ranges listed under Capabilities below.

The Torque Calibration Processes

“As Received” data is logged for all instruments based on predetermined test points. Any adjustments made during calibration are recorded as “As Left” data. Both are reported on the Calibration Certificate along with the calibration results. Torque calibration requirements are generated from a number of resources including manufactures, ANSI/ASME, Federal Specifications as well as customer requirements.

Torque wrench calibration, screwdriver (preset) and torque sensor calibration makes use of a torque system with the option to select the appropriate transducer for the range of the instrument from among multiple choices. Torque multipliers are also calibrated with transducers, but require the use of two. One transducer measures the generated torque input while the other measures the torque output.

Cable tensiometer calibration is carried out using a known cable diameter along with a fixed amount of deadweight attached to the cable. The cable tensiometer is affixed to the cable with the suspended weight to verify that the instrument is reading correctly. This test is repeated with an assortment of cables and loads appropriate for the instrument being calibrated.

Torque testers, torque watches and transducers are calibrated with torque wheels, arms and weights. This process is based on a calculation between a known length and weight to determine the torque generated.

LTI Metrology Capabilities

  • Cable Tensiometer Calibration
    • From 0 to 2000 LBF
  • Detroit Pull Tester
  • Torque Sensor Calibration (Calibrator)
    • 2400, 3600, 7200 IN-LBF
    • 200, 300, 600, 1000, 2000, 3000 FT-LBF
  • Torque Driver Calibration (Preset)
    • Clockwise & Counter Clockwise
  • Torque Multiplier
    • 3600, 7200 IN-LBF
    • 300, 600, 1000, 2000 FT-LBF
    • 6500 FT LBS
  • Torque Screwdriver
    • 2400 IN-LBF
    • 200 FT-LBF
  • Torque Transducer Calibration
    • 2400, 3600, 7200 IN-LBF
    • 200, 300, 600, 1000, 2000, 3000, 5000 FT-LBF
  • Torque Watch
    • 2400 IN-LBF
  • Torque Wrench Calibration
    • Clockwise & Counter Clockwise
    • 2400, 3600, 7200 IN-LBF
    • 200, 300, 600, 1000, 1800 FT-LBF

The calibration department at Laboratory Testing Inc., known as LTI Metrology, is located in Hatfield, PA (USA) in the Philadelphia area. We offer pick-up and delivery services to customers within 60 miles of our facility, at no additional charge. Expedited calibration service is available for many instruments, if the need arises for faster turnaround than our standard delivery. Review our list of Calibration Services & Instruments Calibrated under Resources to see the wide-range of services offered by our full-service laboratory, in addition to torque calibrations.