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ARL Ngara Environmental Noise Logger

Product code – ARL,NGARA

Ngara is a real time sound acquisition system, simultaneously producing the following acoustic measurements; Fast SPL-A, Fast SPL-C, Leq-A and Leq-C and is ideally suited to monitor environmental noise continuously for up to 3 weeks. The logged data is saved as a formatted list of Sound Pressure Level measurements in a CSV file. Samples are taken every 100ms. Ngara offers class 1 specifications allowing the user to post-process statistical noise measurements from 1/10th of a second stored data files. The option to store calibrated (continual or triggered) 48 kHz raw audio data is available.

  • Measured data: Fast SPL-A, Fast SPL-C, Leq-A and Leq-C
  • Measurement Range: 20 – 120dB
  • Time Response: 5ms, 125ms
  • WAV file Specifications: 48kHz
  • Environmental: -10° to 50°C
  • Alarm Function to commence operation; daily, weekly, reoccurring or single shot
  • Modes of operation: Recording, Non-recording and Triggering
  • Interfaces: 2 USB ports and one Ethernet port
  • Battery and DC power operated

ARL Ngara Environmental Noise Logger

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