When pressure instruments drift out of tolerance, you risk failed audits, compromised product quality, and costly production delays. Accurate pressure measurements aren’t optional in petrochemical, aviation, and manufacturing operations—they’re required for regulatory compliance and operational safety. That’s why Allometrics delivers NIST traceable pressure calibration services that ensure your instruments maintain accuracy within specified tolerances.
For regulated industries requiring comprehensive documentation, we also provide ISO 17025 accredited calibration services. All calibrations are performed by highly-trained metrology experts, including ASQ CCT accredited technicians, using state-of-the-art equipment that gives quality assurance managers confidence during regulatory audits and compliance inspections.
Since 1976, we’ve helped quality assurance managers and operations directors across the nation maintain compliance while minimizing equipment downtime. Our comprehensive pressure calibration services include expedited emergency availability, detailed audit-ready documentation, and onsite or in-lab calibration options. Whether you’re managing a single facility or coordinating calibration across multiple locations, our experienced technicians deliver consistent, reliable service.
Pressure Calibration Service by Allometrics Since 1979
Specific Pressure Measurement Equipment We Calibrate:
We calibrate a comprehensive range of pressure measurement instruments to ensure accuracy and regulatory compliance including:

- Deadweight testers (hydraulic & pneumatic)
- Pressure transmitters and Sensors
- Pressure gauges
- Vacuum gauges
- Pressure transducers [1]
- Barometers
- Differential pressure gauges
- Manometers
- Pressure calibrators
- Pressure recorders
- Density meters
- Crystal XP2I
- Pressure switches
- Bourdon tubes
We calibrate pressure instruments from all major manufacturers including Fluke, Rosemount, and many others. Contact us to confirm compatibility with your specific equipment.

Why Choose Allometrics for Your Pressure Calibration Services Provider
Complete NIST Traceability Every pressure calibration we perform is traceable to the National Institute of Standards and Technology (NIST), ensuring your measurements meet the highest standards of accuracy and are legally defensible during regulatory audits.
ISO 17025 Accredited Laboratory Our pressure calibration services are performed in a state-of-the-art laboratory that meets the rigorous standards of ISO/IEC 17025. [2] This accreditation ensures our calibration processes, measurement uncertainty calculations, and quality management systems meet internationally recognized standards required for some regulated industries.
ASQ CCT Accredited Technicians Our team includes ASQ Certified Calibration Technicians (CCT) who bring advanced technical expertise to every calibration. [3]
50+ Years of Proven Experience Since 1976, we’ve built an unmatched reputation for reliability and precision across petrochemical, aerospace, manufacturing and other industries.
Fast Turnaround Options Standard 7-10 business day service with 48-hour expedited calibration available to minimize production downtime and keep your facility compliant.
Comprehensive Documentation Our detailed calibration certificates include all measurement data and traceability information required for EPA, ISO, and other regulatory audits.
Nationwide Service Coverage Whether you need calibration services in-lab or require onsite calibration at your facility, our highly trained technicians provide consistent, professional service across the United States. This nationwide capability helps you manage multi-facility calibration programs with a single, trusted partner.
Our Process for Pressure Calibration Services
What is Pressure Calibration?
Pressure calibration is the process of comparing the output of a device used to measure and display pressure against a certified pressure measurement standard with known accuracy. This ensures your instruments provide reliable, accurate readings that meet regulatory requirements and support quality decision-making.
Our Calibration Methodology
Our testing and calibration process utilizes electronic pressure modules with capacities ranging from vacuum conditions of -15 PSI to high-pressure applications up to 40,000 PSI. We select the appropriate pressure module based on the measurement range of your device under test (DUT).
Before beginning calibration, we exercise each instrument to its full capacity a minimum of three times to ensure stable performance. Your equipment then undergoes a comprehensive 5-point pressure calibration, with inspection occurring at every 20 percent of capacity. For higher accuracy pressure transducers and gauges requiring greater precision, we perform calibration at every 10 percent of capacity, achieving accuracy specifications from 2% down to 0.1% or better.


Benefits of Professional Pressure Calibration
- Maintain Safety in Process Environments – Accurate pressure readings protect workers and the public from dangerous conditions caused by incorrect pressure measurements
- Preserve Productivity Levels – Regular calibration reduces instrument drift and prevents unnoticed errors that could devastate production efficiency
- Avoid Costly Downtime – Proactive calibration significantly reduces unexpected equipment failures and maximizes operational uptime
- Ensure Regulatory Compliance – Proper pressure calibration is essential for meeting specific certification standards required in regulated industries
Risks of Neglecting Pressure Calibration
Inaccurate pressure readings can lead to product quality issues, safety hazards, regulatory violations, costly product recalls, and production delays. In manufacturing environments where plant workers rely on pressure measurements to optimize operations, uncalibrated instruments create significant operational and financial risks.
Get Your Pressure Instruments Calibrated by Allometrics Today
Don’t let uncalibrated pressure instruments put your operations at risk. Our NIST traceable and ISO 17025 accredited pressure calibration services provide the accuracy, documentation, and regulatory compliance your facility needs to pass audits and maintain productivity.
Take the Next Step:
Request Your Free Quote – Contact our calibration experts at (281) 474-3329 for a customized estimate based on your specific equipment and requirements
Schedule Your Service – Choose from convenient mail-in, onsite, or in-lab calibration options that work with your production schedule
Access Your Records Online – View all calibration certificates and manage your instrument history through our secure web portal
Nationwide Service Coverage Located in Webster, Texas, we serve petrochemical, chemical, and manufacturing facilities across the United States. Our experienced technicians travel to your location for onsite calibration of large, difficult-to-move equipment, or you can ship instruments to our accredited laboratory for precision calibration.
Ready to Ensure Compliance? Contact Allometrics today for reliable pressure calibration services backed by over 50 years of experience.
Contact Information:
📞 Phone: (281) 474-3329
📧 Email: sales@allometrics.com
🏢 Address: 1425 Atlantis Dr Suite B, Webster, TX 77598
🌐 Website: allometrics.com
