Noise Monitoring

Ngara

The robust, easy to operate Ngara environmental noise loggers.
Meets IEC 61672 Class 1 instrument requirements.
Battery operation for 7 days or more.  Supplied in a robust, all-weather case.

The Ngara can output the following values at in either Fast or Slow time weighting:

  • Equivalent continuous SPL: Leq;
  • Short term equivalent continuous SPL: short Leq;
  • Maximum SPL: Lmax;
  • Minimum SPL: Lmin;
  • Percentile sound levels: Ln (1% to 99%, Max 8 values);
  • Capable of storing high quality, high resolution audio for subsequent post processing.
Brüel & Kjær 2250L

A precision Type 1 hand held sound level meter with both 1/1 and 1/3 octave band frequency analysis.
Suitable for a wide range of applications including environmental and workplace noise assessment.

Rental Costs
Costs (ex GST, subject to change without notice) are as follows:
Ngara

  • Daily: $ 60 – (Minimum of 3 days)
  • Weekly: $ 300
  • Monthly: $ 600
Brüel & Kjær 2250L

  • Daily: $ 100 – (Minimum of 2 days)
  • Weekly: $ 400
  • Monthly: $ 800

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