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IEC/61672-1 Class2 ±Ô°ÝÀûÇÕ
³ÐÀº(Dynamic) ÃøÁ¤¹üÀ§(100dB)·Î »ç¿ë Áß º¯°æ ºÒÇÊ¿ä
µ¿½Ã¿¡ Leq, LN, Lmax, LE µ¿½ÃÃøÁ¤°¡´É
½Ã°£º¯È­¿¡ µû¸¥ dB º¯È­ È®ÀÎ ±â´É Ãß°¡ (R-L±â´É)
A, C, FLAT ÁÖÆļö Ư¼º
AC/DC Ãâ·Â°¡´É
RS-232C Interface
Data Memory °¡´É(100°³)

Measurement functions Inherent noise
Sound level Lp
Equivalent continuous sound level Leq
Sound exposure level LE
Maximum sound level Lmax
Minimum sound level Lmin
Percentile sound level LN(5selectable settings)
A wighting:                     20dB or less
C wighting:                     27dB or less
FLAT:                          32dB or less
Linearity range                 100dB
Reference sound pressure level 94dB
Reference level range 30 to     120dB
Measurement time RMS detection Digtal processor
10seconds, 1,5,10,15,30 minutes, 1,8,24 hours and manual
(Maximum 200hours)
Time seighing : Fast, Slow
Sampling interval 30.3§Á(Leq, LE) 100ms(LN)
Measurement range MIcrophone
A weighing: 25 to 138dB
C weighing: 33 to 138dB
FLAT:       38 to 138dB
1/2-inch electrical condenser type
Model: UC-52
Preamplifier NH-21
Level range selection Data store functions
6 ranges in 1-0dB steps: 20 to 80dB, 20 to 90dB,
20 to 100dB, 20 to 110dB, 20 to 120dB, 20 to 130dB
Data can be stored in the internal memory
Frequency range Calibration
Overall characteristics including microphone:20 to 8000§Ô
Electrical circuit characteristics(AC output):10 to 20000§Ô
Electrical circuit characteristics(RMS): 10 to 14000§Ô
Electrical calibration calibration with 1-kHz sine wave signal from built-in oscillator
Acoustic calibraion using sound calibrator
Frequency weighting Dimensions
A, C, FLAT Approx. 400g
Outputs Dimensions
AC/DC output
I/O connector (Sound level meter control from and data ouput to a computer)
Data output to printer DPU-414/CP-11/CP-10
Approx. 206¡¿76¡¿33mm
Display Optional equipment
Backlit LCD (128¡¿64dots+121icons)
Display sceens
Numeric and bar graph indication of sound level
Processing results screen
Level-timi graph(real-time level recording wiht 20second horizontal axis)
Messages on menu screen can be changed into English, Germany or Spanish
AC adapter: NC-34 series
AC adapter with CE mark:up0181165A(100 to 250V,50/60§Ô)
BNC-to RCA cable: CC-24
Microphone extension cable: EC-04 series
Serial I/O cable: CC-92
Printer cable: CC-93
Printer: DPU-414
Sound calibrator: NC-74
Pistonphone: NC-72
Level recorder: LR-06/LR-07
Supplied accessories  
Windsreen                         WS-10      1
Carring case                       NL-21-031   1
connector cover(mounted on unit)   NL-21-005   1
Hand strap VM-63-017 1
Batteries IEC R6P 4

 

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