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เครื่องวัดเสียง เครื่องวัดความดังเสียง 30-130 dB
(Digital Sound Level Meter Test Measure Decibels 30-130dB )
(Model: MS-6700)
ราคาพิเศษ 4,800 บาท

Features: Sound Level Range: 30dB~130dB LCD digital display Anolog bar indicator Wide dynamic range Auto/Manual range Fast/Slow response selectable MAX value hold function A/C weighting selection Date and time display AC/DC auxilitary output Back light and Auto Power Off Low power indication
Specifications: Measurement range: 30dB ~ 130dB Resolution: 0.1dB Frequency response: 31.5HZ-8kHz Dynamic range ratio: 50dB Frequency weighting: A / C Time-weighted: FAST is 125ms, 1 second slower Microphone: electret condenser microphone Digital Display: 4 digitals Analog bar display: Each analog bar is 1 db, the sampling rate of 20 times / s Measuring range: 6 Range :30-80dB / 40-90dB/50-100dB/60-110dB/70-120dB/80-130dB Auto Range: microcomputers can choose the best measurement range AC output: 0.707 Vrms of FS (not including auto range mode), output impedance: approx.600ohm DC signal output: 10mV/dB, the output impedance approx.100ohm Power supply: 6 * LR03 AM4 1.5V AAA alkaline batteries (not included)
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สนับสนุนโดย NT INNOVATION CO., LTD. |
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