Pressure Calibration Services
NIST-traceable calibration for industrial, process, and digital pressure gauges — vacuum to 15,000 psi
Calibration Services
Pressure Calibration Services
for Industrial & Process Applications
E&S Tool & Calibration Services provides precision calibration for the full range of pressure measurement instruments — from rugged industrial gauges used on compressors and air systems to high-accuracy digital gauges used in process control and testing environments. All calibrations are NIST-traceable and performed to applicable industry standards with full documentation.
Our Pressure Calibration Disciplines
Select a gauge type to learn more about our calibration capabilities
Industrial Pressure Gauges
Up to 15,000 psi | ±1% to ±1.5%Calibration for general-purpose Bourdon tube gauges, dry and liquid-filled gauges, and utility gauges used on compressors, pumps, hydraulics, and air systems across manufacturing and maintenance environments.
- Bourdon Tube
- Dry & Liquid-Filled
- Bottom & Back Mount
- Hydraulic & Air
- Welding & Utility
Process Pressure Gauges
Up to 15,000 psi | ±0.5%High-accuracy calibration for process gauges used in critical applications across chemical, petrochemical, refining, and power generation — where precision, repeatability, and compliance are essential.
- ASME Grade 3A
- EN 837-1 Class 0.5
- Solid-Front Safety Case
- All-Welded Gauges
- Dual-Scale Units
Digital Pressure Gauges
Up to 15,000 psi | ±0.25% or BetterPrecision calibration for high-accuracy digital gauges from Additel®, WIKA®, Ametek®, Ashcroft®, Fluke®, and more — used in test stands, calibration systems, and precision process verification.
- Additel®
- WIKA®
- Crystal / Ametek®
- Ashcroft® & Fluke®
- Loop-Powered Units
Pressure Gauge Accuracy Classes at a Glance
Not sure which gauge type applies to your application? Use this guide to understand accuracy classes and typical use cases.
| Gauge Type | Accuracy Class | Max Range | Typical Applications |
|---|---|---|---|
| Industrial Gauges | ±1% to ±1.5% FS | Up to 15,000 psi | Compressors, pumps, air systems, hydraulics, utilities |
| Process Gauges | ±0.5% FS | Up to 15,000 psi | Petrochemical, refining, power generation, water treatment |
| Digital Gauges | ±0.25% FS or better | Up to 15,000 psi | Test stands, calibration systems, QC, precision process verification |
Why Choose E&S for Pressure Calibration?
Trusted by process facilities and contractors across Houston and the Gulf Coast
Rising & Falling Pressure Testing
We test at both increasing and decreasing pressures to detect hysteresis, pointer lag, and mechanical instability — critical for process and safety applications.
NIST-Traceable Standards
Deadweight testers, digital pressure controllers, and certified reference standards — all traceable to NIST with appropriate measurement uncertainty for each accuracy class.
Compliance-Ready Documentation
Full as-found and as-left certificates with deviation data, linearity, and repeatability — formatted to support ISO, OSHA, and plant quality requirements.
Calibration Standards & Compliance
All pressure calibrations performed in accordance with applicable industry standards
Ready to Get Started?
Contact us today for a free quote on calibration, equipment rental, repairs, and more.