型号 |
5721 |
5722 |
5722-A |
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滤波器带宽 |
倍频程及全通 |
1/1和1/3倍频程及全通 |
1/1、1/3和1/6倍频程及全通 |
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中心频率范围(Hz) |
31.5~8000 9组 |
1/1Oct 31.5~16000 10组 1/3 Oct20~20000 31组 |
1/1 Oct 31.5~16000 10组 1/3 Oct25~20000 30组 1/6 Oct23.4~18800 59组 |
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参考衰减(dB) |
0 |
0 |
0及20dB |
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参考输入电平 |
1VRMS |
1VRMS |
1VRMS |
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z大输入电平 |
1.6VRMS |
1.6VRMS |
1.6VRMS |
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配用声级计 |
AWA5661,AWA5633A和AWA6218B可显示或打印频谱表或图 |
AWA5661,AWA5633A和AWA6218B可显示或打印频谱表或图 |
AWA5661,AWA5633A和AWA6218B可显示或打印频谱表或图 |
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中心频率显示 |
发光二极管LED |
发光二极管LED |
LCD数字显示 |
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电源 |
4.5~9V,=<10mA有声级计供电 |
4.5~9V,=<10mA有声级计供电 |
220V,50Hz |
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外形尺寸(mm) |
100*72*32 |
100*72*32 |
240*100*200 |
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质量(kg) |
0.2 |
0.2 |
1 |
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符合标准 |
GB/T3241-1998 2级 IEC61260-1995 2级 |
GB/T3241-1998 2级 IEC61260-1995 2级 |
GB/T3241-1998 2级 IEC61260-1995 2级 |
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