NL-28
Class 2 sound level meter
NL-28 IEC 61672-1:2013 class 2 sound level meter; simple, very compact device with clear display
- simultaneous measurement of Leq, LE, Lmax with A and C weighting + LCpeak
- Fast or Slow mode adjustable
- measuring range = 30 dB to 137 dBA
- powered by 2 x AA battery, autonomy of 9h
- Under and Over range notification
- adjustable measuring time 1, 5, 10 min or 1h
- 200 measurements can be kept in memory
- history of the last 999 calibrations are kept
- has a pause function
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