LEMO 极低声功率测试套件
GRAS 声功率套件 符合 ISO 3744、3745 和 3746（ANSI S12.54、S12.55、S12.56）标准，可适配 4, 10 和 20 位置。这些位置均明确标注，便于安装并保持测量可重复性。提供两种半球结构：1 米测量半径和 2 米测量半径。
Freq range: 10 Hz to 16 kHz
Dyn range: 6.5 dB(A) to 110 dB
Sensitivity: 850 mV/Pa
Measures incl. feet: Diagonal 2716 mm Height 1283 mm
67HA 1 m LEMO Low-noise Hemisphere kit
The GRAS hemispheres will hold and position the measurement microphones according to the standards and have been designed with focus on your workflow; They are very easy to assemble and it is easy to position and access the DUT. Furthermore, in best GRAS tradition they are optimized acoustically for correct and repeatable measurement data.
Freq range: 10 Hz to 16 kHz
Dyn range: 6.5 dB(A) to 110 dB
Sensitivity: 850 mV/Pa
Measures incl. feet: Diagonal 4716 mm Height 2283 mm
67HB 2 m LEMO Low-noise Hemisphere kit
The GRAS hemispheres will hold and position the measurement microphones according to the standards and have been designed with focus on your workflow; They are very easy to assemble and it is easy to position and access the DUT. Furthermore, in best GRAS tradition they are optimized acoustically for correct and repeatable measurement data.
