CEM DT-855 噪音计 (30dB~130dB, ±1.4dB)
制造商: CEM Model: DT-855 来源: China 保障: 12 Month - 报价要求
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Standard: IEC61672-1 Type 2, ANSI S1.4 Type2
Accuracy: ± 1.4dB
Frequency range: 31.5Hz ~ 8kHz
Dynamic range: 50dB
Level ranges: Lo:30dB~80dB
Med:50dB~100dB
Hi:80dB~130dB
Auto:30dB~130dB
Time weighting: FAST ( 125mS ), SLOW ( 1s )
Microphone: 1/2 inch electret condenser microphone
Resolution: 0.1dB
Display Update: 2 times/sec
Analog output: AC/DC outputs, AC=1Vrms, DC=10mV/dB
Size (H x W x D): 248mm x 65mm x 45mm
Weight: 248g
Accessories: 9V battery, gift box and carrying case.
Details
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- 交易简单化
