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4. 음압교정기 (Sound Pressure Calibrator)상위메뉴 > |
4.1 음압교정기 (Sound Pressure Calibrator)
종류 | Nor-1255 | Nor-1256 |
사진 | ||
IEC 60942 Class | Class 1 | Class 1 |
Sound Pressure Level | 114.0±0.2dB | 114.0±0.2)dB and 94.0±0.2)dB |
Frequency | 1000 ±1.00 Hz | 251.19±0.30 Hz and 1000 ±1.00 Hz |
Distortion | Max 2.0 % | Max 2.0% |
Microphone size | 1", 1/2", 1/4" | 1", 1/2", 1/4" |
Battery type | 2 x LR03 alkaline batteries (AAA-size) | 2 x LR03 alkaline batteries (AAA-size) |
제작사 | Norsonic AS | Norsonic AS |
다운로드 카다로그 | 다운로드 PDF | 다운로드 PDF |