Nor1297 Noise Compass

The Nor1297 Noise Compass is an advanced outdoor noise monitoring accessory that adds directional source identification capability to Norsonic measurement instruments. Using an array of eight digital MEMS microphones with beamforming algorithms, the Noise Compass determines the direction of arrival of sound in real time with ±5° angular resolution across a full 360° horizontal coverage, enabling operators to identify which noise sources are contributing to measured levels at a monitoring location. Integrated with the Nor1545 noise monitoring terminal, Nor145, or Nor150 analyser, the Noise Compass combines conventional sound level measurements with directional information. When analyzed using NorReview software, this data reveals the time-varying contribution of individual sources such as road traffic, aircraft, industrial operations, or construction activities. The IP65 weatherproof enclosure and wide operating temperature range from -20°C to +55°C ensure reliable long-term outdoor operation in the extreme climates encountered across the GCC region. The Noise Compass is particularly valuable for noise complaint investigation and source attribution where multiple potential sources exist. Airport noise monitoring programs can distinguish between aircraft movements, ground operations, and road traffic. Industrial perimeter stations can identify which process units or contractors are responsible for exceedances. Construction site monitoring networks can attribute noise events to specific contractors or activities, providing objective evidence for enforcement and dispute resolution. Mounting on a standard mast with an integrated windscreen, the Nor1297 adds directional capability without affecting the primary noise measurement. Combined level and direction data enables intelligent alerting through NorCloud, where alerts can be filtered by source direction to reduce false alarms from non-relevant sources.