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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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Search book title Enter keywords for book title search. Click to View the GrindoSonic Brochure. Enter your account email address to request a password reset: To us, complete customer satisfaction means:. Land Use and Development.

Click to order the GrindoSonic MK7 separately. Other systems offer an oscilloscope connection.

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The Geotest Sonometer is the only system using a phono type cartridge as a pickup. The original PCA design has been modified by changing to solid state circuitry and addition of a built-in cathode ray oscilloscope.

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Enter your personal account email address to request a password reset: Our extensive inventory is yet another way to keep you satisfied. If you like to setup a quick demo, let us know at support madcad. Defective items will be either replaced or repaired. The conditions of manufacture, the moisture content, and other characteristics of the test specimens see section on Test Specimens materially influence the results obtained.

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Click to see GrindoSonic Accessories. All claims must be made within 30 days c125 purchase. C Rapid Freeze-Thaw Apparatus. Electrical power is converted by the driver into mechanical vibrations and these vibrations are imparted to c25 specimen under test.

Proof of claim is required. USB memory stick connection Full spectrum data storage. This allows for greater flexibility in testing. E Terminology for Nondestructive Examinations.

Look through our website. Different astn values for the dynamic modulus of elasticity may result from widely different resonant frequencies of specimens of different sizes and shapes of the same concrete. Even with customer service and price protection at the top of our complete customer satisfaction list, we know you want more. Today, some 12, ASTM standards are d215 around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence.

Geotest Instrument Corporation S. This item is part of the following categories: When resonance occurs, the actual number is digitally displayed on the frequency counter. The chassis measures 17x14x11″. The oscilloscope confirms that peak reading on meter astj actual resonance and not a harmonic.

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Therefore, it is not advisable to compare results from specimens of different sizes or shapes. Ease of use measurement system Connection to an High Temperature oven astn possible Trigger level adjustable Option: No astk in cart.

All other units use accelerometers which require intimate contact with the test specimen. The difference depends, in part, on the strength level of the concrete.

To us, complete customer satisfaction means: The oscilloscope verifies resonance because the meter alone also reaches high points on harmonics. Metals and Alloys Ceramics and more Search Advanced Search Search Tips. Remember me for one month.

Resonance Test Gauge

No other units of measurement are included in this standard. Complete refund or credit will be issued for unused and unmarked items returned within 10 days of atm.

It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Features of the MK7 Unit: