声音水平测量和频谱显示。
特征:
1。峰值测量峰值,平均和即时最大声音DB
2。频谱频谱
手术:
要重置峰值和平均值,请触摸仪表中的针头。
January 22, 2026
January 22, 2026
January 22, 2026
January 22, 2026
January 22, 2026
January 21, 2026
January 21, 2026
January 21, 2026
January 21, 2026
January 20, 2026