����Ӌ(j��) DT-8850
����Ӌ(j��) DT-8850�a(ch��n)Ʒ���c(di��n):
·�ɷN�y(c��)�������ṩ2.5dB��3.5dB�ľ��_��·A��C�l��·�ߜy(c��)���͵͜y(c��)�����ͣ���35��100dB���ߣ���65��130dB��·0.1dB�ֱ���·����/���ٷ���(y��ng)·��(sh��)��(j��)���ֺ����ֵ����·����31/2��(sh��)��Һ���@ʾ�������й�����ʾ,��(n��i)��У��Դ��94dB��
����Ӌ(j��) DT-8850���g(sh��)ָ��(bi��o):
| ���� | Lo ���ͣ��l�Σ�35dB��100dB Hi ���ߣ��l�Σ�35dB��100dB |
| �������_�� | 94dB�r(sh��)±1.5dB,1kHz���Ҳ� |
| ��(j��)�l�� | A��C |
| ���q�� | 0.1dB |
| �����ض� | -10��-60�棨����(du��)���<80%�� |
| �^(gu��)�d�@ʾ | “OL” |
·������9V늳���ܛƤ�����f(shu��)����(sh��)���ϸ��C������·Ҏ(gu��)��/������251×63.8×40����/250��
| SL4030������Ӌ(j��) �y(c��)������:30~130dB����ؐ��. �y(c��)���l�ʷ���:31.5~8000Hz. ���_��:±1.5dB��94dB/1KHz�� ����(y��ng)�r(sh��)�g:����:0.2��������1.5�� ���χ�(gu��)�HҎ(gu��)��IEC651Type2. A/C�ә�(qu��n)�W(w��ng)·�y(c��)���x��.��Weighting�� ��ץȡ�������ֵ����. ����/ֱ��늉�Ӎ̖(h��o)ݔ��+�����ӛ��� Size:207X69X37mm. DC ADAPTER | |
| �x�����ÆΣ� ���C(j��)һ�_(t��i) ������һ��(g��) �f(shu��)����(sh��)1�� | |
| �y(c��)������ | A�ә�(qu��n)30��130dB C�ә�(qu��n)35��130dB |
| �y(c��)�����_�� | ±1.5dB |
| �l��푑�(y��ng) | 31.5HZ-8.5KHZ |
| ��(d��ng)�B(t��i)���� | 50dB |
| AC/DC��̖(h��o)ݔ�� | √ |
| �Ԅ�(d��ng)�P(gu��n)�C(j��)���� | √ |
| ����@ʾ���� | √ |
| �^(gu��)�d��ʾ | √ |
| ��(sh��)λ���ֱ��� | 5Digits & 0.1dB |
| ��(d��ng)�B(t��i)�����x�� | Fast/Slow |
| �����L(f��ng) | 1/2 Ӣ�����ʽ�����L(f��ng) |
| �l�ʼә�(qu��n)���� | A & C |
| �y(c��)���nλ�x�� | √ |
| ���ֵ�i�� | √ |
| ȡ���l�� | 2 times/sec |
| ��� | 4��(ji��)1.5VAA�A��늳ػ�6V�Դ�m���� |
| �a(ch��n)Ʒ�ɫ | ������ |
| �a(ch��n)Ʒ���� | 300g(include battery) |
| ��(bi��o)��(zh��n)�������� | 20 |
| ��(bi��o)��(zh��n)����ߴ� | 57.0��51.7��23.8cm |
��(sh��)������Ӌ(j��)/��(j��)Ӌ(j��) ��̖(h��o):ZX7M-TM-103
3½λҺ���@ʾ,����xֵ2000�� ��ӛ��14.000�P/RS-232������ �����@ʾ�� �Ԅ�(d��ng)�P(gu��n)�C(j��)��10��犣�/�Ԅ�(d��ng)�Q�n�� �xֵ�i��,���/��Сֵ�i���� �y(c��)����(f��n)��:30dB~130dB �l��푑�(y��ng):30Hz~8KHz A��C �l�ʼә�(qu��n)�x�� ����(zh��n)��:±1.5%��ref 94 dB @ 1KHz�� �Դ:9V NEDA 1604 IEC 6F22 JIS 006P 늳�*1�� �ߴ�:200���L(zh��ng)��*55������*38���ߣ�mm ���Ԅ�(d��ng)�Q�n�����ٱO(ji��n)�y(c��)������(zh��n)�ȸ�
TES-1350A ��(sh��)��ʽ����Ӌ(j��)
�ֱ���0.1dB ����xֵ�i������ ݔ�������ӛ��� �m�Ø�(bi��o)��(zh��n) IEC 651 Type2 �y(c��)������
A LO ��Low�� - Weighting: 35- 100dBA HI ��High�� - Weighting: 65-130dBC LO ��Low�� - Weighting: 35- 100dBC HI ��High�� - Weighting: 65-130dB �ֱ��� 0.1dB �l�ʷ��� 31.5Hz to 8KHz ��(zh��n)�_�� ±2dB �������� 65dB ��(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 0.65Vrms ��ÿ�����n��,ݔ���迹600ΩDC�s 10mV/dB ��nominally��,ݔ���迹: 100Ω �����؝�� 0�� to 40�� < 80% R. H. ��(ch��)��؝�� -10�� to 60�� < 70% R.H. �@ʾ�� 3 1/2 digitals �Դ one 9V battery �ߴ� 240mm��L��x68mm��W��x25mm��H�� ���� 215g ���� Ƥ��, �y(c��)ԇ��, 늳�, ʹ���f(shu��)����(sh��), ���L(f��ng)��
GM1351���a(ch��n)�S�������ژ�(bi��o)����GM1351����(y��ng)���������оžŃx���x������˾
GM1351����(y��ng)��ַ�������� ���A� ^(q��)���� �yȪ���@8��105
GM1351(li��n)ϵ������С�� �Ԓ13129540276��QQ2317875228
�O(sh��)Ӌ(j��)��(bi��o)��(zh��n)����������A. ��(gu��)�Hί�T��(hu��)IEC651 TYPE2��(bi��o)��(zh��n) ��������B. ����(gu��)��(gu��)�Ҙ�(bi��o)��(zh��n)ANSI S1.4 TYPE2*�y(c��)��������30~130 dBA*���_�ȣ�±1.5 dB*��(sh��)λ&�ֱ��ʣ�4λ & 0.1 dB*�l��푑�(y��ng)��31.5Hz ~8.5KHz*�l�ʼә�(qu��n)���ԣ� A�ә�(qu��n)��ģ�M�˶���*ȡ���l�ʣ�2��/��*�����L(f��ng)��1/2Ӣ�����ʽ�����L(f��ng)*���ֵ�i��*�Ԅ�(d��ng)�Б�(y��ng)ʽ����*����@ʾ*�Ԅ�(d��ng)�P(gu��n)�C(j��)
*���b��ʽ������+����*�Դ��9V늳أ�6F22��*�a(ch��n)Ʒ�ߴ磺57*36*149����*�a(ch��n)Ʒ���أ�144�� (��늳�)
RS-232�������Ԅ�(d��ng)����30-130db,AC/DCݔ�����Ԅ�(d��ng)�P(gu��n)�C(j��)���ܵ���
| �a(ch��n)Ʒ����(sh��) | ||
| | DT-815 | |
| ���� | ��-�l�� | 30dB��80dB |
| ��-�l�� | 50dB��100dB | |
| ��-�l�� | 80dB��130dB | |
| �Ԅ�(d��ng)���l�� | 30dB��130dB | |
| �ֱ��� | 0.1dB | |
| �������_�� | 94dB�r(sh��)±1.4dB 1kHz ���Ҳ� | |
| �l��푑�(y��ng) | 31.5Hz��8KHz | |
| �l��Ӌ(j��)��(qu��n)���� | A��C | |
| �r(sh��)�gӋ(j��)��(qu��n) | �� | |
| ��(sh��)��(j��)���� | �� | |
| ���/��Сֵ | �� | |
| 50��(g��)��(sh��)��(j��)��(ch��)�� | �� | |
·�ߴ磺210×55×32���� ����230��·�����9V늳������d��Ƥ�����ʺ�
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