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RFT321

Product catalog summary

Overview: The RFT321 is a digital instrument designed to measure the longitudinal, torsional, and flexional resonance frequencies of concrete or natural stone samples. This helps in determining the Modulus of Elasticity, damping factor, and analyzing material deterioration due to freeze-thaw cycles.

Specifications:

Display: Integrated 7" TFT-LCD capacitive touch-screen with a resolution of 1280x800 pixels.
CPU: ARM Cortex A9.
Power Supply: Li-ion 10.8V/12.4Ah with an average autonomy of 6 hours.
Data Storage: Internal memory of 5 GB (up to 300,000 acquisitions) and external USB support.
Operating Conditions: Temperature range from -20°C to 80°C and humidity from 0-90% RH.
Case: Made of polypropylene with an automatic pressure valve, IP67 protection.
Dimensions and Weight: 27.1 x 24.8 x 12.3 cm, 2.6 Kg.
Protection Degree: IP67.
HS Code: 90248099.

Methodologies:

Measure of Resonance Frequency: Utilizes an accelerometer with a sensitivity of 100mV/g and a maximum sampling rate of 100KHz. The frequency resolution ranges from a minimum of 12.2Hz to a maximum of 0.49Hz.
Trigger: Energization balls with a minimum trigger level of 19mV.

Regulations: Complies with ASTM C666, BS 1881:209, NF P18-414, ASTM C215-08, UNI EN 14146:2005, and UNI 9771 (1990).

Additional Features: The RFT321 includes the RESreader application for managing and organizing measurements and creating test reports. It features a user-friendly interface with illustrative guidance for the measurement procedure.

Catalog excerpts

Touch screen display Integrated battery Digital instrument for measuring the longitudinal, torsional and flexional resonance frequency RFT321 instrument calculates frequency of longitudinal, torsional and flexional resonance on concrete or natural stone samples in order to determine Modulus of Elasticity, damping factor and to analize deterioration caused by the freeze-thaw cycles of material which is investigated. Instrument RFT321 is provided with PC embedded board and colour LCD monitor with integrated 7" touch-screen. SD removable memory on front panel ensures a quick and safe management of data acquired. User is guided through the whole measuring procedure in a simple and intuitive way, due to some explicative illustrations. RFT321 instrument is also provided with RESreader application, which allows to manage and organize measurements and to create test reports. Methodologies Measure of Resonance Frequency Power supply MAE s.r.l advanced geophysics instruments Zona Ind. Fresilia - 86095 Frosolone (IS)

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General Acquisition medium power consumption Average autonomy TFT-LCD capacitive 7” integrated touch-screen, 1280x800 pixel Data storage Internal memory 5 GB (up to 300.000 acquisitions) / external USB Data format Operating temperature Polypropilene, automatic pressure valve, IP67 Protection degree Reference regulations Resonance frequency Accelerometer sensitivity Maximum sampling rate Measure frequency resolution MAE s.r.l advanced geophysics instruments Zona Ind. Fresilia - 86095 Frosolone (IS)

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