Sensor Networks
Phoenix National Laboratories, Inc.
2837 E Chambers St. 
Phoenix AZ Arizona
United States 85040
Phone: +1.602.431.8887
At PNL we strive to serve the needs of our clients professionally and efficiently. We are dedicated to offering quality testing, inspection and engineering services at a fair price. We believe that reliable test data, information, reports and advice are indispensable. Our staff of certified technicians and experienced management personnel are ready to provide service 24 hours a day, 7 days a week. As an independent engineering, testing and inspection organization our responsibility is to ensure that tests and inspections are performed in accordance with defined requirements and are within cost estimates and planned schedules. Printable

We Provide a Full Range of Testing and Inspection Services to Meet Your Needs

We offer comprehensive testing and inspection services to industrial, commercial, mining, municipal, transportation, and utility companies. Select a service group to learn more about Nondestructive Examination, Welding Technology and Physical/Mechanical Testing services.

Summary of Services.

​​Welding Qualification Services
WPS-Welding Procedure Specifications
Preparation and Development
All Processes and Materials
Carbon and Alloyed Steels
Stainless Steels
Copper and Brass
Plastics , HDPE, FRP
Code Applications
AWS D1.1, D1.3, D1.4
AWS B2.1, B2.3, and others
API 1104
PQR-Procedure Qualification Records
Administration and Testing
Preheat and Post Weld Heat Treat
Individual Welder Test Booths
GTAW - Gas Tungsten Arc Welding
SMAW - Shielded Metal Arc Welding
FCAW - Flux Cored Arc Welding
GMAW - Gas Metal Arc Welding
Brazing and Soldering​​

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Non-Destructive Examination
UT-Ultrasonic Testing, Shear Wave, UTPA, TOFD, Thickness
RT-Radiographic Testing, Conventional and Computed
ET-Eddy Current Testing, Tube Testing, RFT
VT-Visual Testing, AWS Certified Weld Inspections
MT-Magnetic Particle Testing, Visible and Fluorescent
PT-Liquid Penetrant Testing, Visible and Fluorescent
LT-Leak Testing, Bubble Test, Pressure Change, Voltage Discharge
GPR-Ground Penetrating Radar
PMI-Positive Material Identification, X-Ray Fluorescence
Hardness Testing, Coating Examinations
ICC Special Inspections, Welding, Bolting, Fire Proofing, Epoxied Anchor Bolts, Wood Trusses​

Physical/Mechanical Testing
Elastomeric bearing pad testing
AASHTO Standard Specifications
AASHTO M251-06
State Standards
ASTM tests of elastomers, plastics, and metals
​ Tensile Tests
Compression Tests
Shear Tests
​ Adhesion/Peel Tests
Bend Tests
Other Mechanical Properties
Cold and Elevated Temperature Conditioning
Optical Microscopy
Pressure Testing-Hydraulic and Hydrostatic
Proof Load Testing to 2 million pounds
Forensic Failure Analysis
​Custom tests per Customer designs and requirements​
PNL Services

ISO/IEC 17025:2005(E) Accredited
Mistras Group