�m��(bi��o)��(zh��n) | IEC 651 Type2 |
�y(c��)������ | A LO ��Low�� - Weighting: 35- 90dB A HI ��High�� - Weighting: 75-130dB C LO ��Low�� - Weighting: 35- 90dB C HI ��High�� - Weighting: 75-130dB |
�ֱ��� | 0.1dB |
�l�ʷ��� | 31.5Hz to 8KHz |
�� | ±1.5dB ��ref 94dB @1KHz�� |
�������� | 55dB |
��(qu��n)��W(w��ng)�j(lu��)�l�� | A��C |
�r(sh��)�g��(y��ng) | Slow & Fast |
Maximum Hold | Decay < 1dB/3min |
�����L(f��ng) | �O�����ʽ�����L(f��ng) |
У�� | ��(n��i)��94.0Dbλ��У�� |
ݔ�� | AC�s 0.55Vrms ��ÿ�����n��,ݔ���迹600Ω DC�s 10mV/dB ��nominally��,ݔ���迹: 100Ω |
�����؝�� | 0�� to 40�� < 80% R. H. |
��(ch��)��؝�� | -10�� to 60�� < 70% R.H. |
�@ʾ�� | 4 digitals |
�Դ | one 9V battery |
�ߴ� | 240mm��L��x68mm��W��x25mm��H�� |
���� | 215g |
���� | Ƥ��, �y(c��)ԇ��, 늳�, ʹ���f(shu��)����(sh��) |