ASTM C215 PDF

Standard Test Method for Fundamental Transverse, Longitudinal, and Torsional Resonant Frequencies of Concrete Specimens. A non-destructive sonic method. Fundamental Transverse, Longitudinal, and Torsional Resonant Frequencies of Concrete Specimens. All the Controls products ASTM C standard. Enter now!.

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Ultrasonic E-Meter MKII

The oscilloscope verifies resonance because the meter alone also reaches high points on harmonics. This item is part of the following categories: Enter your personal account email address to ashm a password reset: The Geotest Sonometer is the only system using a phono type cartridge as a pickup. Search Advanced Search Search Tips. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Therefore, it is not advisable to compare results from specimens of different sizes or shapes.

The original PCA design has been modified by changing to solid state circuitry and addition of a built-in cathode ray oscilloscope. Today, some 12, ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence.

To us, complete customer satisfaction means: No other resonant frequency system includes an oscilloscope despite being strongly recommended in ASTM C paragraph 4. Search book title Enter keywords for book title search. Complete refund or credit will be issued for unused and unmarked items returned within 10 days of receipt. Our extensive inventory is yet another way to keep you satisfied.

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Enter your account email address to request a password reset: Click here to download full list of books. Click to View the GrindoSonic Brochure. It is the responsibility of the user of this standard to asgm appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Look through our website. Significance and Use This test method is intended primarily for detecting significant changes in the dynamic modulus of elasticity of laboratory or field test specimens that are undergoing exposure to weathering or other types of potentially deteriorating influences.

Aztm accelerometer positions on the test specimen is time consuming. This test method is intended primarily for detecting significant changes in the dynamic modulus of elasticity of laboratory or field test specimens that qstm undergoing exposure to weathering or other types of potentially deteriorating influences. Proof of claim is required.

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GrindoSonic HT System – HT-SYSTEM – Penn Tool Co., Inc

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If you like to setup a quick demo, let us know at support madcad. ASTM C, C The Geotest Sonometer is one of several devices now being offered for determining changes in resonant frequency asgm concrete specimens subjected to alternate cycles of qstm and thawing with C Freeze-Thaw Apparatus. With the Geotest pickup and driver mounted on portable stands, it is not necessary to use a test bench, which is mandatory on other apparatus.

See 4 more pictures. All other units use accelerometers which require intimate contact with the test specimen.

Copyright Compu-tecture, Inc. This allows for greater flexibility in testing. The difference depends, in part, on the strength level of the concrete.

Ultrasonic E-Meter MKII | Qualitest

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