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- 9°¡Áö ƯÁ¤ ±â´É:LP, Leq, LE, Lmax, Lmin, LX, Lpeak, Ltm3¿Í Ltm5,
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(NL21,nl21,NL31,nl31)



<> Measurement functions

main precossing functions
Simultaneous measurement of all items according to selected time weighting and frequency weighting
Sound level LP
Equivalent continuous sound level Leq
Sound exporsure level LE
Maximum sound level Lmax
Minimum sound leve Lmin
Percentile sound level LN(5 selectable settings)

- Measurement time : 10 seconds, 1, 5, 10 15, 30, minutes, 1, 8, 24, hours, and manual (maximum 200hours)
- Measurement range ;
.... A : weighting : 28 to 130 dB
.... C : weighting : 33 to 130 dB
.... Flat : 38 to 138 dB
- Peak sount level : 141 dB
- Linearity range : 100 dB
- Reference sound pressure level : 94 dB
- Referens level range: 30 to 120 dB
- Level range selection : 6 range in 10- dB steps ( 7 ranges when optional 1/1,1/3 Octave Filter Program Card NX-215 or
Optional Universal Filter Program Card NX-21V is ON)
- Frequency weighting : A, C, FLAT
- Display : Backlit LCD (126 X 64 Dots + 121 icons)
- Outputs ;
.... AC/DC output Key-selectable AC or DC output I/O sonnector
.... Sound level meter control from and data output to a computer
- Data output to printer : DPU -414/CP-10
Comparator output