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- With 100 dB linearity range, the NL-31 is perfect for carrying out straightforward BS 4142, Noise at Work or PPG 24 assessments.
- There is no simpler or more efficient meter for measuring all the commonly required noise indices.
- Sub-channel enabling choice of a second simultaneous time and/or frequency weighting.
- Data stored on to compact flash cards as text files which can be read directly by spreadsheet programmes.
- Stores up to 99,999 sets of data (LAeq, LAmax, 5LNs etc) or up to 200 hours of 1 second LAeq or 100ms samples.
- Delay trigger for logging function.
- Back erase function for extraneous noise.
- Can be used for long-term monitoring with our extremely practical, cost-effective and reliable outdoor kit.
- Remote Download and Control option via GSM or landline.
- Optional serial octave/third octave filters
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