For making footfall noise transmission measurements in buildings as set out
in International and National Standards
Impact sound transmission testing according to ISO140 part VI, VII and
VIII, ASTM E-492 and ASTM E-1007
Determination of single number quantity index Ln,w, in accordance with ISO
717-2 and ASTM E-989
Remote operation from hand switch or PC
Mains or battery operation
Powered from 85-264 volt AC main supply. Built in Lithium Ion rechargeable
batteries.
Battery life: > 1 hour. Charging time: 2 hours
Compact
Low weight 10 kg (22 lb) incl. battery and wireless remote option
Rugged construction
Five hammers each having a mass of 500 g falling from a height of 40 mm
(adjustable)
Tapping sequence of 10 impacts per second, rpm controlled via servo
feedback loop
Built in self check of hammer fall speed, and tapping sequence.
Retractable feet
Dimensions feet retracted: 165 x 230 x 495 mm (6,5 x 9,1 x 19,5\")
Dimensions feet extended: 265 x 230 x 495 mm (10,4 x 9,1 x 19,5\")
Company Details
Norsonic Starts with an order to the Anglo-French supersonic Concorde project. Now it has for more than 40 years used technical expertise to develop sound instrumentation of high precision and quality. Combining advanced technology and... more