For making footfall noise transmission measurements in buildings as set out in International and National Standards.
? Impact sound transmission testing according to ISO 140 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 capacity: Typical 1 hour with intermittent use and 45 minutes of continues operation.
? Battery de-rating: <5% loss in capacity per 100 discharge/charge cycles.
? 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")
Interested? Please send us an e-mail for more information.
soundlevel meter, calibrator, Noisemapping software, noise, and vibration monitoring online.