OCS offers tailored ISO/IEC 17025 accredited calibration plans for pressure instruments.

OCS services include:

  • Calibration and adjustments
  • Certificates including full before/after data
  • Calibration up to 10,000 PSI
  • Laboratory and/or on-site service
  • Free pick up and delivery
  • Minor repair work
  • Flexible calibration contracts
  • Trend analysis and history reporting
  • Fast turnaround


Our laboratory or field service technicians provide expert calibration for:

  • Analog pressure gauges
  • Differential pressure gauges
  • Digital pressure gauges
  • Magnahelic gauges
  • Manometers
  • Pressure transducers

All calibrations are ISO/IEC 17025 accredited and NIST traceable.

Pressure manufacturer brands we calibrate include but are not limited to:

  • Ashcroft
  • Dresser
  • Dwyer Instruments
  • Fluke
  • Omega
  • Setra
  • U.S. Gauge
  • Wika