ASTM E4 Accredited Testing Labs in United States
23 laboratories in United States are accredited by A2LA under ISO/IEC 17025 to perform ASTM E4 testing. These labs commonly handle Air, Water matrices. Most frequently tested analytes via this method in United States: Force, Length, Moisture. Accredited providers include MetroCal, Cal-Rite Corporation, Liberty Calibration, National Force Calibrations Plus, Quality Testing Calibration (QTC). Sites located in Kentwood, MI, Naperville, IL, Manchester, CT, Chattanooga, TN, Nicholasville, KY.
Accredited Labs
(A2LA Cert. No. 0513.01) Revised 12/06/2024 Page 13 of 16 V. Mechanical Parameter/Equipment Range CMC2, 4, 5, 8, 12 (±) Comments Force Tension & Compression3 – Measure (0.25 to 5) lbs Up to 300 lbf Up to
(A2LA Cert. No. 866.01) 9/30/2024 Page 4 of 11 Parameter/Equipment Range CMC2, 4, 5 (±) Comments Force3 – Measure Tension & Compression by Deadweight with Local Gravity & Air Bouyancy Co
(A2LA Cert. No. 1945.01) 12/18/2024 Page 1 of 3 SCOPE OF ACCREDITATION TO ISO/IEC17025:2017 LIBERTY CALIBRATION INC. 105 Hampton Drive Manchester, CT 06040 Timothy Lepak Phone: 860 255-8456 CALIBRATIO
(A2LA Cert. No. 2621.01) 11/17/2025 Page 1 of 4 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 NATIONAL FORCE CALIBRATIONS PLUS LLC 2250 Lake Mist Drive Chattanooga, TN 37421 Jeff Myrick Phone: 919 605 0311
(A2LA Cert. No. 4699.01) 12/15/2025 Page 5 of 9 IV. Electrical – DC/Low Frequency Parameter/Equipment Range CMC2 (±) Comments Electrical Simulation of Thermocouple Indicators3 – Type K
(A2LA Cert. No. 3884.01) Revised 01/15/2026 Page 28 of 36 Parameter/Equipment Range CMC2, 5 (±) Comments Universal Testing Machine3/Load Cell & Force Sensor (cont) Compression & Tension (>1 to 2)
(A2LA Cert No. 2521.01) Revised 1/22/2026 Page 10 of 12 III. Mechanical Parameter/Equipment Range CMC2, 5 (±) Comments Force3 – Measure, Compression (10 to 500) lbf (50 to 2000) lbf (2000 to 25 000) lbf (25 000 to
(A2LA Cert. No. 2806.01) 11/19/2025 Page 25 of 36 VIII. Mechanical Parameter/Equipment Range CMC2, 18 () Comments11 Force3 – Load Cell (Force Transducer) Compression & Tension Compress
(A2LA Cert. No. 1261.01) 05/15/2025 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 & ANSI/NCSL Z540-1-1994 AMSLER TESTING INC. 28364 South Western Ave. # 439 Rancho Palos Verdes, CA 90275 Sven Neumann
(A2LA Cert. No. 1888.09) 10/31/2025 Page 13 of 17 IV. Mechanical Parameter/Equipment Range CMC2, 4, 5 (±) Comments Universal Testing Machines, Compression Testing Machines & Tension Testing Machines 3 (0.2 to
(A2LA Cert. No. 1848.01) Revised 09/11/2025 Page 16 of 21 Parameter/Equipment Range CMC2, 6 (±) Comments Pressure Measure & Generate, Transducers & Transmitters3 (-14.7 to 300) psig (> 300 to 1000) psig (> 100
(A2LA Cert. No. 1888.05) Revised 02/03/2025 Page 14 of 18 Parameter/Equipment Range CMC 2, 4, 5 () Comments Universal Testing Machines, Compression Testing Machines & Tension Testing Machines 3 (0.2 to 600) lbf Up to
(A2LA Cert. No. 7128.01) 05/06/2024 Page 2 of 4 II. Mechanical Parameter/Equipment Range CMC2, 5, 6 () Comments Force 3 – Measuring Equipment Compression Tension (0.001 to 10)
(A2LA Cert. No. 2262.01) Revised 03/08/2025 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 & ANSI/NCSL Z540-1-1994 ROBERTS CALIBRATION, INC. 23129 Hwy 46 Pembroke, GA 31321 Charles Lynch Phone: 912 96
(A2LA Cert. No. 3022.01) 11/12/2024 Page 26 of 33 Parameter/Equipment Range CMC2, 4, 6, 10, 11 (±) Comments Moisture Analyzers (Lost Weight Method) (0 to 15) % 0.15 % Analytica
(A2LA Cert. No. 4306.01) 08/09/2024 Page 3 of 4 Parameter/Equipment Range CMC2, 4, 5, 7 (±) Comments Force 3 – Measuring Equipment (cont) (1000 to 25 000) lbf (4.5 to 110) kN (25 000 to 120 000) lbf (110 to
(A2LA Cert. No. 1145.01) Revised 05/01/2025 Page 12 of 17 Parameter / Equipment Range CMC2 (±) Comments Location8 Calibration of RTD Devices by Electrical Simulation3 – Pt 385, 100 Ω Pt 3916 & 392
(A2LA Cert. No. 3312.01) Revised 04/03/2025 Page 6 of 15 IV. Mechanical Parameter/Equipment Range CMC2, 4, 7 () Comments Scales & Balances 3 (5 to 500) mg (0.5 to 5) g (5 to 200) g (200 to 500) g (500 to
(A2LA Cert. No. 2017.01) 06/09/2025 Page 3 of 7 Parameter/Equipment Range CMC2, 4, 5 () Comments Force & Materials Testing Machines 3 – (cont) Force – Tension & Compression Transducers Extensometer Gag
(A2LA Cert. No. 1342.01) Revised 11/01/2024 Page 4 of 8 V. Fluid Quantities Parameter/Equipment Range CMC2 (±) Comments Flow Meters3 (Air/Nitrogen) (0 to 6) L/min 0.014 L/min Digita
(A2LA Cert. No. 1426.01) 10/23/2024 Page 2 of 3 III. Mechanical Parameter/Equipment Range CMC2, 6 (±) Comments Force3, Compression – Measure Up to 600 000 lbf 0.08 % Full Scale ASTM E4 an
(A2LA Cert. No. 1888.07) 02/20/2025 Page 13 of 17 Parameter/Range Frequency CMC2, 6 (±) Comments Oscilloscopes3 – (cont) Time Marker Rise Time 1 ns to 20 ms 50 ms to 5 s 250 ps 3 µs/s (30 + 1000t) µs/s
(A2LA Cert. No. 1331.01) 07/16/2025 Page 4 of 11 II. Dimensional Testing/Calibration1 Parameter/Equipment Range CMC2 (±) Comments Measure Length (1D)3, 4, 5 – (Fixture Gages) Inside Diam
Top matrices for ASTM E4 in United States
Top analytes for ASTM E4 in United States
- Force (7)
- Length (1)
- Moisture (1)
- Resistance (1)
About ISO/IEC 17025 in United States
American Association for Laboratory Accreditation (A2LA) is the primary accreditation body issuing ISO/IEC 17025 accreditation for testing laboratories in United States.
ISO/IEC 17025 is the international standard for the competence of testing and calibration laboratories. Accreditation to this standard provides independent confirmation that a laboratory operates a quality management system and is technically competent to produce valid results within its declared scope.
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