LEMO 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 个测量位置。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。
除了 LEMO 外，GRAS 声功率套件还提供 CCP 和 LEMO 极低声功率 版本。
Freq range: 3.15 Hz to 20 kHz
Dyn range: 17 dBA to 149 dB
Sensitivity: 50 mV/Pa
Measures incl. feet: Diagonal 2716 mm Height 1283 mm
67HA 1 m LEMO 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: 3.15 Hz to 20 kHz
Dyn range: 17 dB(A) to 149 dB
Sensitivity: 50 mV/Pa
Measures incl. feet: Diagonal 4716 mm Height 2283 mm
67HB 2 m LEMO 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.
