Pressure Calibration Services
NIST-traceable calibration for digital and analogue pressure gauges, pressure sensors, transducers, barometers, and manometers. Precision you can trust for critical pressure measurement applications.
Why Pressure Calibration Matters
Accurate pressure measurement is critical in process control, quality assurance, safety systems, and manufacturing operations. Incorrect pressure readings can lead to product defects, equipment damage, safety hazards, and regulatory non-compliance. Regular NIST-traceable calibration ensures your pressure instruments deliver consistent, reliable measurements across their entire range.
Pressure Equipment We Calibrate
Comprehensive calibration services for all types of pressure measurement devices
Digital Pressure Gauges
Precision calibration of digital pressure gauges used in process control, quality assurance, and laboratory applications.
- Digital test gauges
- Digital pressure indicators
- Electronic pressure gauges
- Portable pressure calibrators
- Precision digital manometers
- Data-logging pressure gauges
- Wireless pressure transmitters
Analogue Pressure Gauges
Expert calibration of mechanical pressure gauges for industrial, commercial, and laboratory use.
- Bourdon tube pressure gauges
- Diaphragm pressure gauges
- Compound gauges (vacuum/pressure)
- Differential pressure gauges
- Test gauges (dial indicators)
- Pneumatic gauges
- Hydraulic pressure gauges
Pressure Sensors & Transducers
Calibration of pressure sensors and transducers used in automated control systems and data acquisition.
- Pressure transmitters (4-20mA)
- Strain gauge pressure sensors
- Piezoelectric pressure sensors
- Capacitive pressure sensors
- Differential pressure transmitters
- Absolute pressure transducers
- Gauge pressure transmitters
Barometers & Atmospheric
Precision calibration of barometric pressure instruments for meteorological and laboratory applications.
- Digital barometers
- Aneroid barometers
- Mercurial barometers
- Barometric pressure sensors
- Weather station instruments
- Altitude measurement devices
Vacuum Gauges & Controllers
Expert calibration of vacuum measurement instruments for industrial and laboratory vacuum systems.
- Pirani vacuum gauges
- Thermocouple vacuum gauges
- Capacitance manometers
- Cold cathode gauges
- Digital vacuum gauges
- Vacuum pressure transducers
Specialized Pressure Devices
Calibration of specialized pressure measurement equipment for unique applications and industries.
- Deadweight testers
- Pressure calibrators
- Manometers (U-tube, inclined)
- Pressure switches
- Pressure recorders
- Sanitary/hygienic pressure sensors
- High-pressure transducers
Our Calibration Process
Multi-point testing with NIST-traceable standards for complete accuracy assurance
Receiving & Inspection
Each device is logged into our system with unique identification. Visual inspection documents condition, identifies damage, and records nameplate data.
As-Found Testing
We test your instrument at multiple points across its full range using our NIST-traceable pressure standards. This documents the device's accuracy before calibration.
Adjustment & Calibration
Devices are adjusted to meet manufacturer specifications or customer requirements. Zero and span adjustments are made as needed to bring instruments within tolerance.
As-Left Testing
After calibration, we re-test at the same pressure points to verify accuracy. This ensures the device meets required specifications across its entire range.
Certification & Documentation
Complete calibration certificates include as-found and as-left data, uncertainty calculations, traceability information, environmental conditions, and pass/fail status.
Labeling & Return
Devices are marked with calibration date and due date labels. Complete documentation is provided digitally and in print, and instruments are securely packaged for return.
Compliance & Standards
Pressure Standards
We adhere to internationally recognized standards for pressure calibration:
- ANSI/ISA-51.1: Process instrumentation
- ASME B40.100: Pressure gauges and indicators
- ISO 1000: SI units and recommendations
- ASTM E1137: Industrial platinum RTDs
- Multi-point calibration protocols
- Hysteresis and repeatability testing
NIST Traceability
Every calibration is traceable to the National Institute of Standards and Technology:
- Primary standards calibrated at NIST
- Deadweight tester standards
- Complete uncertainty analysis
- Documented traceability chain
- Comprehensive calibration certificates
- ISO/IEC 17025 compliant processes
Industry Applications
Our pressure calibration services support critical operations across multiple industries:
- Oil & Gas Production
- Chemical Processing
- Pharmaceutical Manufacturing
- Power Generation
- HVAC Systems
- Aerospace & Aviation
- Food & Beverage Processing
- Water Treatment
Calibration Intervals
Recommended calibration frequency depends on usage, accuracy requirements, and criticality:
- Critical Process Control: Quarterly
- Daily Use: Every 6 months
- Regular Use: Annually
- Light Use: Every 2 years
- Reference Standards: Annually
- After Damage/Over-pressure: Immediately
Ensure Accurate Pressure Measurements
Don't risk process control failures, safety hazards, or regulatory non-compliance with uncalibrated pressure instruments. Schedule your NIST-traceable pressure calibration today.
Fast turnaround available • On-site calibration for large installations