Tenmars ST-130 소음계 (30 ~ 90dB, 50 ~ 110dB, 70 ~ 140dB)
생산업체: TENMARS Model: ST-130 출처: Taiwan 보증: 12 Month - 견적요구
- 연락처
Display: Single LCD Maximum reading 999999
Display Refresh Rate: 1 Time/second
Microphone (ST-130): 1/2" Electret condenser microphone
Accuracy: ±1.4dB at 94dB/1kHz
Frequency Weighting: A, C, Z
Time Weighting: Fast, Slow and Impulse
Starting Time: < 10 seconds
Frequency Range: 20Hz to 8kHz
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