Accredited Hydraulic Fluid Testing
AGT Labs provides professional Hydraulic Fluid Testing Services for high-pressure hydraulic systems. Our Houston laboratory performs ISO/IEC 17025 accredited tests for copper strip corrosion, color, density and API gravity, and refractive index.
Our Hydraulic Fluid Testing Services support manufacturing plants, construction fleets, and marine vessels with accredited technical data. These results help reliability engineers verify new fluid deliveries, compare in-service fluid against a reference sample, and check corrosiveness toward copper alloys in pumps and valves.
Accredited Test Parameters
Every hydraulic fluid test listed below is on our PJLA ISO/IEC 17025 scope of accreditation (Certificate L25-276).
Copper Strip Corrosion
ASTM D130Color (Tristimulus)
ASTM D6045Density & API Gravity
ASTM D5002Refractive Index
ASTM D1218Industries We Serve
Accredited hydraulic fluid data for industrial and mobile equipment operators.
Injection Molding
Verifying hydraulic fluid identity and quality to protect proportional valves in plastic manufacturing.
Construction Equip.
Checking hydraulic fluids from excavators and cranes for color change, density shifts and corrosiveness.
Marine Systems
Ensuring reliability of steering gear, stabilizers, and deck machinery hydraulics in harsh marine environments.
Metal Stamping
Accredited quality checks on fluids used in high-pressure presses.
Aviation Support
Testing ground support equipment (GSE) hydraulics to ensure safety and reliability on the tarmac.
Mining Operations
Testing hydraulic fluids from crushers and haul trucks for contamination and product mix-ups.
Laboratory Capabilities
Analytical Systems
Our hydraulic fluid testing uses copper strip corrosion baths, automatic tristimulus colorimeters, digital density meters and refractometers.
Advanced Technical Support
- ISO/IEC 17025 Accredited Laboratory Operations
- New Fluid Acceptance & Reference Comparison
- Samples Accepted Nationwide at Our Houston Laboratory
- Rapid 24-Hour Turnaround for Critical Systems
Sampling, Handling & Chain of Custody
Accurate Hydraulic Fluid Testing Services require clean, representative sampling. Use certified clean bottles and sample from active fluid zones.
Download Chain of Custody FormContainers & Handling
- Use certified clean bottles.
- Flush sampling ports/valves for at least 30 seconds before collection.
- Sample from turbulent flow areas (e.g., return lines) for representative data.
Transport & Logistics
- Label with System ID, Oil Type (e.g., AW 46), and Filter Hours.
- Ship promptly to our Houston laboratory.
- Samples tracked via LIMS from receipt to report.
Quality & Reporting
Reports from our Hydraulic Fluid Testing Services give clear, defensible data for quality and maintenance records.
- COA with method references, results, and certified authorized signatory.
- Secure PDF delivery via our client portal.
- Measurement uncertainty available on request.
Frequently Asked Questions
Which hydraulic fluid tests are accredited at AGT Labs?
Can you confirm the right hydraulic fluid was used?
Why test copper corrosion in hydraulic fluid?
Protect Your Hydraulic Assets
Need accredited hydraulic fluid testing for your plant or fleet? Contact our Houston technical team today for a custom quote.
Contact Technical Specialist