Pressure Calibration Services in Southern California

Pressure Calibration Services from QSI


Accurate pressure measurement is critical to the safe, efficient, and reliable operation of countless industrial processes, from chemical manufacturing and power generation to HVAC systems, hydraulic equipment, and medical device applications. When pressure measuring instruments drift out of calibration, the consequences can be severe—compromising process control, creating safety hazards, causing equipment failures, and resulting in costly production disruptions.

Quality Surveillance, Inc., backed by the trusted Accredited Labs network, provides comprehensive pressure calibration services that ensure your pressure measurement systems deliver the precision and reliability your critical operations demand.

What is Pressure Calibration?


Pressure calibration is the systematic process of verifying and adjusting pressure measuring instruments to ensure they accurately measure gauge pressure, absolute pressure, differential pressure, and vacuum across their specified measurement ranges. This essential service compares your pressure instruments against certified reference pressure standards with known, traceable values to identify any deviations from their specified accuracy ranges.

During pressure calibration, experienced technicians evaluate each instrument's performance using precisely controlled pressure sources throughout the instrument's measurement range. They document any measurement variations discovered and perform necessary adjustments to restore accuracy to manufacturer specifications. When instruments cannot be adjusted to meet their original specifications, detailed calibration reports provide the deviation data essential for your corrective actions and informed maintenance or replacement decisions.

The calibration process follows rigorous protocols established by international standards, ensuring consistency, reliability, and traceability. Each calibrated pressure instrument receives comprehensive documentation that traces its accuracy back to national pressure measurement standards, providing the measurement traceability that quality management systems, safety regulations, and process control requirements demand.

Why Pressure Calibration is Essential for Your Operations


Process Control and Optimization
Industrial processes depend on accurate pressure measurements for optimal operation, efficiency, and product quality. Whether controlling reactor pressures, monitoring pipeline conditions, or managing steam systems, pressure measurement accuracy directly affects process performance. Calibrated pressure instruments ensure process control systems receive reliable data for maintaining optimal operating conditions and maximizing efficiency.

Safety and Risk Management
Pressure measurements are often directly related to safety-critical applications where inaccurate readings can lead to catastrophic failures. Boiler safety systems, pressure relief valve settings, and emergency shutdown systems all depend on accurate pressure measurements. Regular calibration ensures these safety systems operate correctly and helps prevent dangerous overpressure conditions that could cause explosions, equipment failures, or injuries.

Equipment Protection and Maintenance
Accurate pressure monitoring is essential for protecting valuable equipment from damage due to overpressure, underpressure, or pressure fluctuations. Compressors, pumps, vessels, and piping systems all require proper pressure monitoring for safe operation and optimal performance. Calibrated instruments help prevent costly equipment failures and extend equipment life through proper monitoring.

Regulatory Compliance and Safety Standards
Industries from pharmaceuticals to power generation operate under strict regulatory frameworks requiring accurate pressure monitoring and documentation. ASME codes, OSHA regulations, FDA requirements, and environmental standards mandate that pressure measuring equipment be properly calibrated and maintained. Comprehensive calibration records are essential for regulatory compliance and successful safety audits.

Energy Efficiency and Cost Control
Pressure measurements directly impact energy consumption in compressed air systems, steam distribution, HVAC operations, and hydraulic systems. Inaccurate pressure readings can lead to energy waste, inefficient operation, and increased utility costs. Proper pressure calibration helps optimize system performance and reduce energy consumption.

Product Quality and Consistency
Manufacturing operations often use pressure measurements to control product quality, monitor process conditions, and ensure consistent output. From plastic molding pressures to pharmaceutical tablet compression, accurate pressure measurement is critical for product specifications and quality control.

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Why Choose QSI for Pressure Calibration?

At Quality Surveillance, Inc. we combine the personalized service of a local provider with the resources and reliability of a national network. 

Powered by Accredited Labs

As part of the Accredited Labs family, Quality Surveillance, Inc. combines local, personalized service with the resources and expertise of a national calibration network. This partnership ensures consistent quality, technical support, and the capabilities needed to handle your most challenging calibration requirements.

Personalized Customer Service

We believe in building long-term relationships with our customers. That's why we prioritize clear communication, consistency, and reliability. Our team takes time to understand your specific needs, applications, and challenges, so we can provide calibration solutions that support your operational goals and quality objectives.

ISO/IEC 17025 Accreditation

We operate under the rigorous ISO/IEC 17025 standard, which demonstrates our technical competence and quality management system. This internationally recognized accreditation means our calibration results are accurate, reliable, and globally accepted. Our technicians undergo continuous training in evolving technologies and techniques.

Comprehensive Documentation

We go beyond calibration certificates, providing you with the documentation and support your quality system needs. Our detailed reports include measurement data, uncertainty analysis, and recommendations for calibration intervals. We also maintain comprehensive records for easy certificate retrieval and audit support.

Flexible Service Options

We understand that every business has unique operational requirements. That's why when possible we offer on-site calibration services to reduce your downtime. For instruments requiring controlled environments or specialized equipment, our fully equipped laboratories provide optimal calibration conditions.

Fast Turnaround Times

Production schedules don't wait for calibration delays. We prioritize quick turnaround times without compromising quality, helping you maintain operational efficiency while meeting calibration requirements. Our streamlined processes and scheduling ensure your instruments return to service as quickly as possible.

Audit-Ready Pressure Calibration in 3 Simple Steps

1

Submit Your Equipment List

Send us a list of the equipment you need calibrated, and we’ll provide a tailored quote with clear pricing—no hidden fees.

2

Schedule Your Calibration

Choose a convenient time for an in-lab or on-site equipment calibration. Our certified technicians ensure precision and compliance with ISO/IEC 17025 standards.

3

Stay Compliant & Audit-Ready

Receive detailed calibration reports and certification, giving you peace of mind for audits and operational excellence.