The five hammerheads at the bottom of the main body alternately strike the floor, producing impact sounds.
It is used to measure the floor impact sound insulation performance of buildings as specified in JIS A 1418-1.
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basic information
Product Code: 20310 *Please provide this number when making inquiries for a smoother process. 【Features】 ○ A measuring and hard impact source used for measuring floor impact sound levels, assuming sound sources generated by walking in shoes. ○ Applicable standards: JIS A 1418-1:2000, ISO R 140 ○ Hammer: Cylindrical with a diameter of 3 cm, arranged in a straight line with 5 units spaced 10 cm apart. ○ Hammer head: Made of stainless steel with a convex spherical surface having a radius of curvature of 50 cm and ISO standard rubber. ○ Hammer weight: 500±5g (including the hammer head). ○ Impact time interval: 100±5ms ○ Floor impact speed: 88.5 cm/s (equivalent to free fall from a height of 4 cm). ● For more details, please contact us.
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Applications/Examples of results
It is used to test the performance of floor surface finishing materials regarding their sound insulation performance, primarily in the mid to high frequency range.
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Company information
Rex Co., Ltd. is a leading company that rents measuring instruments such as measuring devices, surveying equipment, weighing instruments, and inspection equipment. ■ Measurement Instrument Rental Business Rex offers over 1,000 types and more than 20,000 units of measuring instruments. We have everything from the latest models to renowned instruments that are not available from manufacturers. Please let us know the issues you are facing; we are sure you will find a measuring instrument that will be helpful. ■ Measurement System and Information Technology Construction Business In addition to renting measuring instruments, we also provide a rental service for systems that utilize these instruments. We handle a wide range of measurements, from work environment measurements such as noise and vibration to structural measurements like three-dimensional and displacement measurements. Additionally, we can propose the development of original measurement systems and measurement outsourcing tailored to your needs. ■ Measurement Instrument Calibration and Inspection Service We perform calibration for the measuring instruments you own. Rex Co., Ltd. is certified by the Japan Surveying Instrument Manufacturers Association and manufacturers for maintenance. No manufacturer restrictions!