AWA-5661A
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| 型号 | AWA5661 | AWA5661A | AWA5661B | AWA5661C |
| 符合标准 | GB/T37851型IEC60651Type 1 | |||
| 传声器类型(极化电压) | Φ12.7mm自由场,(0V) | Φ12.7mm自由场,(200V) | Φ12.7mm自由场,(0V) | Φ12.7mm自由场,(28V) |
| 传声器灵敏度 | 40mV/Pa | 12.5mV/Pa | 50mV/Pa | 5mV/Pa |
| 频率范围(Hz) | 20~16000 | 10~20000 | 16~16000 | 16~125000 |
| 动态范围 | 25~140dBA 35~140dB | 35~140dBA 45~140dB | 20~140dBA 30~140dB | 50~160dBA 60~160dB |
| 频率计权 | A计权和L(线性)计权 | |||
| 时间计权 | F(快)、S(慢)、I(脉冲)、Peak (峰值,需计算机配合) | |||
| 检波器特性 | 真有效值、峰值因数≥10 | |||
| 显示器 | 3位半LCD,有欠压指示、下限指示、过载指示 | |||
| 测量方式 | Lp,Lmax | |||
| 滤波器 | 可外接AWA5721型倍频程滤波器或AWA5722型分数倍频程滤波器 | |||
| 输出 | AC、RS232C至计算机 | |||
| 电源 | 4×R6或外接5V~9V电源 | |||
| 外形尺寸 | 220×72×32(mm) | |||
| 特点 | 基本型 | 高性能 | 低声级测量 | 高声级测量 |