기기명 (Instrument) : Sound Level Meter (적분형 소음계)
제작회사 (Manufacturer) : RION
형식 (Model) : NL-20
세부내용 (Description) :
Features
-. IEC/CDV 61672-1 Class2 규격적합
-. 넚은(Dynamic)측정범위(100dB)로 사용중 변경불필요
-. 동시에 Leq, LN, Lmax 동시 측정가능
-. 적은 전력소모로 34시간 연속 측정가능
-. A, C, FLAT 주파수 특성
-. AC/DC 출력가능
-. RS-232C Inteface
-. Data Memory 가능(100개)
Measuremen functions |
Sound level LP |
Measuremen Time |
10seconds, 1, 5, 10, 15, 30minutes, 1, 8, 24 hours, and manual(maximum 200 hours) |
Measurement range |
A weighting : 28 to 138 dB |
Inherent noise |
A weighting : 20 dB or less |
Level range selection |
6 ranges in 10-dB steps 20 to 80 dB |
Frequency range |
Overall characteristics including microphone : 20 to 8000 Hz |
Frequency weighting |
A, C, FLAT |
RMS detection Digital processor |
Time weighting : Fast, Slow |
Calibration |
Electrical calibration with 1-kHz sine wave signal from built-in oscilator |
Data store functions |
Data can be stored in the internal memory |
Microphone |
1/2-inch electret condenser type |
Display |
Backklit LCD (128×64dots+121icons) |
Outputs |
AC/DC out |
Dimensions |
Apporx, 260 × 76 × 33mm |
Weight(excluding batteries) |
Apporx, 400g |
Supplied accessories |
Windscreen WS-10 1 |
Optical equipment |
AC adapter NC-34 series |
첨부 (Attach)
파일내용 (The content of file) :
-. Instruction Manual (사용설명서) :
사진 (Picture) :
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