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�y(c��)��������pH (0–14 pH)
              ORP ( -1999 - +1999 mV)
��(zh��n) �_ �ȣ�+ 0.02 pH
             + 1 mV
�� �� �ʣ�0.01pH; 1mV
��(w��n) �� �ԣ�≤ 0.02 pH/24С�r(sh��)
             ≤ 3 mV/24С�r(sh��)
pH��(bi��o)��(zh��n)��Һ��4.00/6.86/9.18
�@ʾ��ʽ��128 * 64�c(di��n)�LCD
�ض��a(b��)����0–100 �� �ք�(d��ng)/�Ԅ�(d��ng)(NTC10K) 
��̖(h��o)ݔ����4-20mA���x���o(h��)ݔ�� ���h(hu��n)·���300Ω
��(b��o)��ݔ�����ߵ��ވ�(b��o)���|�c(di��n)��һ�M(3A/250V AC)
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����Դ��AC 220V±10%  50Hz
�Դ���ģ�≤3W
�h(hu��n)���l����(1)�ض�0 �� 60 �� 
              (2)���≤85%RH
���γߴ磺96×96×110mm(��×��×��)
�_�׳ߴ磺92×92mm(��×��)