Pressure Calibration Services
Ensure the safety and efficiency of your pressurized systems with high-accuracy, NIST-traceable calibration for gauges, transmitters, and valves.
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Accuracy Where It Matters Most
Pressure measurement isn’t just about efficiency—it’s a critical safety control. Drifting gauges can lead to dangerous over-pressurization, costly process inefficiencies, or catastrophic failure. LSI Scales delivers the precise verification you need to maintain safety margins and operational consistency.
- Safety Assurance: Verify that relief valves and safety switches activate exactly when they should.
- Process Optimization: Ensure your system runs at the optimal pressure for energy efficiency.
(559)446-1022
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(855) 440-1022
Give us a call:
Fully-Insured & Certified Expertise
Comprehensive Weighing Solutions
Strategic Location Advantage
Cost-Effective & Eco-Friendly
24/7 365 Days a Year
Fastest Response Time
All Work Fully Guaranteed
Over 50 years of reliability
Full-Spectrum Pressure Services | Equipment We Calibrate
Our lab is equipped to handle pneumatic and hydraulic pressure devices across a wide range, from vacuum to high pressure.
- Pressure Gauges: Analog, digital test gauges, and differential pressure gauges (up to 10,000 PSI).
- Transmitters & Transducers: 4-20mA loop verification for process control systems (smart HART transmitters).
- Switches & Relief Valves: Verification of set points, reset points, and reseat pressures (PRV/PSV testing).
- Manometers & Barometers: Low-pressure calibration for HVAC balancing and clean rooms.
- Chart Recorders: Calibration of mechanical and digital pressure recorders for pipeline testing.
- Deadweight Testers: Primary standard calibration for high-precision laboratory references.
Reliability You Can Measure
Safety First:
We verify your safety valves and critical monitors are functioning exactly as designed.
ISO/IEC 17025 Accredited
Our procedures meet the strictest international standards for competence.
Traceability Guaranteed:
All measurements are traceable to NIST, giving you audit-proof confidence.
Contamination Control:
We use oxygen-clean standards where required to prevent system contamination.
LSI Scales Commitment
We believe that exceptional service is defined by the promises you keep. For our clients in Washington, we make the following commitments, ensuring you receive unparalleled value and reliability from a partner who is invested in your success.
CT-109 Certification:
Maintain legal compliance with our certified CT-109 scale calibration.
Specialized Testing Capabilities | Beyond Basic Calibration
- Oxygen Clean Service: For medical and industrial gas applications, we offer cleaning and calibration free of hydrocarbons.
- Field Calibration: Our technicians bring portable standards to your site to calibrate process gauges and transmitters without removing them from the line (where feasible).
- Custom Ranges: From deep vacuum (-30 inHg) to hydraulic pressures up to 10,000 PSI, we match our standards to your specific operating range for maximum accuracy.
Powering Your Industry
- Oil & Gas / Energy: Pipeline pressure monitoring and safety valve testing.
- Manufacturing: Hydraulic press calibration and pneumatic control systems.
- HVAC & Facilities: Building automation sensors, differential pressure for filters, and clean room monitoring.
- Aviation: Pitot-static test equipment and ground support gear
Trust Our Tried and Tested Process
Contact Us 24/7, 365
Available Every Day, All Day, to assist with weighing solutions and provide prompt, lasting results.
Fast Response
In the event of a weighing emergency, our team is ready to respond promptly and initiate immediate solutions.
Fully Equipped
We utilise the latest tools and equipment to deliver professional weighing solutions to all clients.
Thoroughly Trained
Our team is made up of highly skilled and experienced experts, all of whom provide excellent service.
Available 24/7, 365 Days a Year
Our work is guaranteed
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Absolutely no hidden fees
Your Expertise Matters: Read Reviews & Share Your Insights
Always On Time, Always On Budget
Transparent & Fair Pricing
We’ll break down the cost of our services and ensure that you get the best price for your situation.
Punctual, Professional, Proactive
Our team can be with you in no time to deliver expert Weighing Solutions with speed and efficiency.
Cost-Effective & Eco-Friendly
We take an environmentally conscious approach while still delivering affordable solutions to clients.
Highly Rated
Past clients have been left wholly satisfied by our efforts and have left stellar reviews of our services.
Get in Touch
Reach out to our experts today and take advantage of our reliable Weighing services. Call now at (559)446-1022 or fill out the contact form below.
