Testing Services

Precision Calibration Services

Expert calibration services for control valves, actuators, positioners, and instrumentation to ensure optimal performance and regulatory compliance.

Precision Calibration Services

Our calibration services ensure your control valves, positioners, and instrumentation operate with maximum accuracy and reliability. We provide NIST-traceable calibration with comprehensive documentation for regulatory compliance and optimal performance.

NIST-Traceable Calibration

All calibrations traceable to national standards with full documentation

Multi-Point Calibration

Comprehensive calibration across full operating range

Performance Optimization

Fine-tuning for optimal accuracy and response characteristics

Calibration Services

Control valve calibration with flow coefficient verification
Pneumatic and electric actuator calibration and tuning
Digital and analog positioner calibration and configuration
Pressure transmitter calibration with NIST traceable standards
Safety valve set pressure verification and adjustment
Temperature and flow instrument calibration services
Control loop tuning and optimization
Calibration certificate generation with full traceability

Calibration Standards

ISA-75.25API 526ASME PTC 25IEC 60534ANSI/ISA-51.1NIST SP 250

Our Calibration Process

Systematic approach ensuring accurate calibration and optimal performance

1

Initial Assessment

Comprehensive evaluation of current performance and calibration status

2

Equipment Setup

Connection of calibrated reference standards and test equipment

3

Multi-Point Testing

Testing at multiple points across the full operating range

4

Adjustment & Tuning

Precision adjustments to achieve optimal accuracy and performance

5

Certification

Final verification and issuance of calibration certificate

Types of Calibration Services

Comprehensive calibration services for all types of valve control equipment

Control Valves

Precision calibration of control valve characteristics and response.

  • • Flow characteristic calibration
  • • Stroke vs. position verification
  • • Hysteresis measurement
  • • Response time testing

Positioners

Calibration of pneumatic and electronic valve positioners.

  • • Input signal calibration
  • • Position feedback adjustment
  • • Deadband optimization
  • • Split-range configuration

Transmitters

Pressure and differential pressure transmitter calibration.

  • • Zero and span adjustment
  • • Linearity verification
  • • Output signal calibration
  • • Temperature compensation

Safety Valves

Set pressure verification and calibration of safety relief valves.

  • • Set pressure verification
  • • Blowdown testing
  • • Seat tightness verification
  • • Spring adjustment

Benefits of Professional Calibration

Why regular calibration is essential for optimal valve performance

Improved Accuracy

Enhanced control precision and process stability

Regulatory Compliance

Meet industry standards and regulatory requirements

Extended Life

Reduce wear and extend equipment service life

Reduced Downtime

Prevent failures and minimize unplanned shutdowns

Calibration Equipment & Standards

Our calibration laboratory is equipped with precision reference standards and automated calibration systems to ensure accurate, repeatable results.

NIST-Traceable Standards

Primary and secondary standards with full traceability documentation

Automated Calibration Systems

Computer-controlled calibration for consistent, accurate results

Precision Test Equipment

High-accuracy pressure, temperature, and signal generation equipment

Calibration Specifications

Pressure Range

Vacuum to 10,000 PSI

Signal Types

4-20mA, 0-10V, 3-15 PSI, HART, Foundation Fieldbus

Accuracy

±0.025% of reading (typical)

Temperature Range

-40°F to 200°F (-40°C to 93°C)

Calibration Interval

12 months (recommended)

Need Calibration Services?

Contact our calibration experts today to schedule your precision calibration services or learn more about our capabilities.