Test Standard Category

C372M Ultrasonic pulse velocity tester, high performance

( Concrete )

  • EN 12504 PART. 4
  • BS 1881:203
  • ASTM C597
  • NF P18-418
  • UNE 83308
  • UNI 7997
  • UNI 9189
  • UNI 9524

Ultrasonic pulse velocity tester, high performance with microprocessor for combined ultrasonic and rebound hammer data acquisition and processing.

The appliance allows measuring:

  • Ultrasonic impulse speed inside the material, by knowing the distance between the probes;
  • distance between the probes, by knowing the speed of the ultrasonic impulse to go through the tested material;
  • required time by the ultrasonic impulse to go through the tested material.
  • Young’s modulus, by knowing the distance between the probes and the density of the tested material
  • Crack depth
  • Zero calibration with depuration of the time for the impulse to go through the probes. Calibration of a defined time value.
  • Advanced function for research purposes:
     Selection of the transmission frequency of the impulse.
     Selection of the impulse amplitude.

    Possibility to use the instrument with two exponential probes, or with one standard probe and one exponential probe.

Combined ultrasonic and rebound hammer determination (sonreb method): The C372M ultrasonic tester houses an integral data logger for data acquisition, processing and store of rebound hammer values. The acquisition of the rebound values is performed with manual or automatic mode.

As for the Automatic mode, the digital Matest test hammer mod C386M is directly connected to the ultrasonic tester through a cable. The measured rebound values are automatically transmitted to the C372M tester.

The combined test allow to rectify different inaccuracies that are typical of the simple rebound hammer test, and obtaining estimates on the compressive strength of the concrete, that cannot be obtained with the ultrasonic test, granting high accuracy and reliability of the results.

The standard appliance includes:

• Instrument in basic configuration (x-scale 400MHz, 64MB Flash Memory, 64 MB Ram) in a practical and elegant palmer container.
• Two 55 kHz probes with connecting cables.
• Calibrating cylinder and contact paste
• Strong anti shock case holding the instrument and the accessories.
• Battery pack Li-Ion 11,1V 3000 mA/per hour
• External feeder 230V/24V and battery charger

Dimensions: 400x300x180 mm.
Weight : 3 kg.

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This is an instrument using the most modern technologies; it has a 1⁄4 VGA colour touch screen, 128 MB Compact Flash interface, SD card, USB, RS232, RS485, working system Windows CE with the possibility to manage, EXCEL, WORD, PPT files etc.

The use of the appliance is made easy because it is based on PC and Windows CE way of working, it allows using the user knowledge of the classic personal computer and its softwares.
Possibility to connect the instrument to internet for consultations or extractions, like a common PC. Possibility to visualise the shape of the transmitting wave while it goes through the material checked, by transforming the instrument into a real oscilloscope with the option “Scope” mode.

Time measuring from 0 to 9999,9 μS Resolution: 0,1 μS