Process Pressure Gauge Calibration
High-accuracy calibration for critical process gauges up to 15,000 psi — ±0.5% accuracy class for petrochemical, refining, and power generation
Pressure Calibration
Up to 15,000 psi (1,034 bar) | Accuracy Class: ±0.5% of Full ScaleProcess Pressure Gauge Calibration
At E&S Tool & Calibration Services, we provide expert calibration for process pressure gauges with ranges up to 15,000 psi (1,034 bar). Designed for critical applications where precision and repeatability are essential, process gauges typically offer ±0.5% of full-scale accuracy and are widely used in the chemical, petrochemical, refining, power generation, and water treatment industries.
These gauges are often installed in harsh environments where process integrity, safety, and compliance depend on trusted pressure measurement. Our calibration services ensure they remain within manufacturer specifications and industry standards.
At a Glance
Process Gauges We Calibrate
We calibrate the following process pressure gauge types
ASME Grade 3A & EN 837-1 Class 0.5
High-accuracy process gauges meeting ASME and European standards — calibrated using precision reference equipment appropriate for 0.5% accuracy class instruments.
Solid-Front & Safety Case Gauges
Dry and liquid-filled solid-front safety gauges used in hazardous or high-pressure environments — calibrated for accurate and safe operation.
All-Welded & Seal-Integrated Gauges
Gauges with welded or integrated diaphragm seals used in corrosive or high-viscosity process applications — calibrated to manufacturer specifications.
Bottom & Back Mount Process Gauges
All mounting configurations for process gauges — bottom and back mount styles across standard and custom process connections.
Custom-Range & Dual-Scale Units
Non-standard range and dual-scale gauges (psi/bar, psi/kPa, etc.) — calibrated across the full custom range with appropriate reference standards.
Our Process Gauge Calibration Services Include
Precision calibration covering accuracy, hysteresis, repeatability, and compliance documentation
- Precision calibration using high-accuracy digital pressure standards and deadweight testers with uncertainties suitable for 0.5% accuracy class instruments
- Multi-point calibration across the full range — typically five test points on both increasing and decreasing pressure cycles
- Inspection for hysteresis, pointer alignment, and mechanical wear especially for gauges in continuous or high-vibration service
- Detailed as-found and as-left calibration certificates traceable to NIST and compliant with ISO/IEC 17025 requirements
- Optional documentation of pressure reading deviations, linearity, and repeatability for QA records
- Environmental condition recording during calibration to ensure results reflect stable, controlled measurement conditions
Why Calibrate Process Pressure Gauges?
Critical process environments demand accurate, traceable pressure measurement
Regulatory & QA Compliance
Ensures compliance with process control, safety relief, and alarm triggering requirements in regulated petrochemical, refining, and power generation environments.
Early Drift Detection
Detects early signs of drift, fatigue, or damage in high-stress environments before they impact process control accuracy or trigger false alarms.
Operational Reliability
Maintains accuracy for critical process control and reduces unplanned maintenance — enhancing the operational reliability of your process systems.
Standards & Compliance
All process gauge calibrations performed in accordance with applicable standards
Ready to Get Started?
Contact us today for a free quote on calibration, equipment rental, repairs, and more.