Pressure Calibration

Barometer, Manometer, Pressure Gage Calibration and More

Pressure gauge calibrationRoutine pressure calibration will help ensure the accuracy and precision of your pressure instruments. LTI Metrology performs pressure calibration to 40,000 PSI, including barometer calibration, manometer and pressure transducer calibration, dead weight tester and pressure gauge calibration.

With every pressure calibration we perform, our customers receive a Calibration Certificate with all the information they need, including:

  • Instrument condition
  • NIST traceability
  • A2LA accreditation to ISO/IEC 17025
  • Calibration results
  • Repairs and adjustments, if applicable

Working with reliable instruments is essential for efficiency, quality and safety. Let our lab keep all your instruments in top condition.

LTI Metrology Capabilities

  • Barometer Calibration
    • +1m bar
  • Compound Pressure / Vacuum Gage
  • Dead Weight Tester
    • Hydraulic
    • Pneumatic
  • Density Meter Calibration
  • Differential Pressure Gauge Calibration
    • Minimum
    • Microtector
  • Manometer Calibration
  • Pressure Calibrator
  • Pressure Gage Calibration
    • Accuracy from 2% to 0.1% or better
    • To 40,000 PSI
  • Pressure Recorder
  • Pressure Transducer Calibration
    • With or Without Readout
    • To 40,000 PSI

LTI calibrates many pressure measuring instruments on-site up to 600 PSI. If your facility has a pressure source, we can go up to 1,500 PSI.

The Pressure Calibration Process

Computerized pressure modules with capacities from vacuum to 40,000 PSI are used to perform pressure calibration and record the readings. Based on the measurement range of the instrument undergoing calibration, one of LTI’s six pressure modules will be selected for the inspection. It is customary to exercise the instrument to its full capacity three times before beginning calibration. As with most calibrations, a standard with a known value or capacity is compared to the instrument being calibrated during the pressure calibration process. Most instruments undergo a 5 point pressure calibration, whereby the inspection occurs at every 20 percent of capacity. A higher accuracy pressure transducer or pressure gage calibration will include 10 inspection points at every 10 percent of capacity.

More Than Calibration

LTI Metrology is the calibration lab at Laboratory Testing Inc., located in Hatfield, Pennsylvania (USA) just outside of the Philadelphia, PA area. Expedited service is available when you need your calibration results quicker than our standard turnaround. For convenience, we can arrange order pick-up and delivery services for customers local to our facility.

Pressure calibration is just one of the many calibration services provided by our one-stop calibration laboratory. For a detailed look at our calibration capabilities, refer to our list of Calibration Services & Instruments Calibrated under Resources.

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Quality & Convenience

  • A2LA and NADCAP accreditations
  • ISO 17025 certification
  • Same day, next-day, 2nd-day Rush Services
  • Secure Portal to track orders and get certifications
  • Fast Certified Reports sent by email

Customer Testimonials

“Thank you for allowing me to visit your facility and witness a micrometer calibration first-hand, it helped me understand the concept so much better. It is clear that LTI is a wonderful group of people to work with and they operate in a true team environment. Your staff has gone over and above the call of duty to help Superior Tube. We truly appreciate your help.”

Deb Rosenberry,
Superior Tube Inc.


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