Norsonic Nor277 Tapping Machine

SKU: Nor277

Precision instrument for evaluating footfall noise transmission in buildings.

Fully compliant with major international and national standards, it supports impact noise measurements in accordance with ISO 717‑2, ISO 10140‑3, ISO 16283‑2, ASTM E492, and ASTM E1007 standards. Its integrated self‑calibrating function ensures consistent, traceable results and long‑term measurement stability for reliable, standards‑driven building acoustics assessments.

Precision instrument for evaluating footfall noise transmission in buildings.

Applications

Building Acoustic measurement in accordance with:

ISO 717-2 Rating of sound insulation in buildings and of building elements
ISO 10140-2 Laboratory measurement of sound insulation of building elements
ISO 16283-2 Field measurement of sound insulation in buildings and of building elements
ASTM E492 Standard Test Method for Laboratory Measurement of Impact Sound Transmission Through Floor
ASTM E1007 Standard Test Method for Field Measurement of Tapping Machine Impact Sound Transmission Through Floor

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 Lithium-Ion rechargeable battery. 7.2V / 2350 mAh / 16,9 Wh
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):
Feet retracted: 165 x 230 x 495 mm (6.5 x 9.1 x 19.5″)
Feet extended: 265 x 230 x 495 mm (10.4 x 9.1 x 19.5″)
Add 50 mm to the height for handle.
Weight: 10 kg (22 lb) including battery and wireless remote option
EMC compliance according to EN 50081-1 and EN 50082-1, Safety according to EN 61010-1-1993 and Machine directive 89/392

Download

Nor277 Brochure

Features

Impact noise measurements designed to meet the requirements given in ISO 717-2, ISO 10140-3, ISO 16283-2, 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.
Compact and rugged construction.
Low weight 10 kg (22 lb) including battery and wireless remote.
Built in self-check of hammer fall speed, and tapping sequence.
Retractable feet.