Tapping Machine Nor277

For making footfall noise transmission measurements in buildings as set out in International and National Standards.

Self calibrating test !

Overview

Applications

Nor277 is a tapping machine for impact noise measurements designed to meet the requirements given in ISO 10140-5. ISO 16283-2 and the old ISO 140-6, -7,-8 as well as ASTM E492 and ASTM E1007.

Features

Impact sound transmission testing according to ISO 10140-5. ISO 16283-2 and the old ISO 140-6, -7,-8 as well as ASTM E492 and ASTM E1007
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″)

Specifications

Hammers: 5 hammers @ 500 g. Effective falling height 40 mm (adjustable)
Tapping sequence: 10 impacts per second, rpm controlled via servo feedback loop.
Power: 84 – 264 V, 47 – 63 Hz
Battery operation: Optional built-in Li-Ion rechargeable battery.
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.
Battery charging time: 2 hours
Power consumption: Less than 30 W
Dimensions: H x L x W: 230 x 495 x 165 (265 feet extended) mm. Add 50 mm to the height for handle.
Weight: 10 kg (22 lb) including battery and wireless remote option

Accessories

Acc. incl.: Instruction manual, mains cable, small rod used for the verification of the fall height.
Optional acc.: Carrying case/Shipping case Nor1336