Scantek Inc  //  Products  //  Tapping Machines and Sound Sources  //  Tapping Machines Norsonic Nor 277 Tapping Machines

Norsonic Nor277 Tapping Machine

 

Nor277-03

 

Nor277 DataSheet

 

Self calibrating!

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")

 

 
 
 
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Tapping Machines and Sound Sources