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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 130dB

C weighting : 33 to 13dB

Flat : 38 to 138dB

Peak sount level :141 dB

Linearity range

100dB

Reference sound pressure level

94dB

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