免费无毒黄片_娇妻的欧美交换视频_毛片点击进入在线播放_午夜精品国产AV,亚洲日韩色在线高淯v,依依成人网在线观看,九一av在线,老熟妇性色老熟妇性,久久电影午夜伦高清A片,黄片免费国产,av无码免费无禁网站久久

���v�h(hu��n)���W(w��ng)

�Ϻ�����h(hu��n)�,��Ƽ����޹�˾

�P(gu��n)ע�ȣ�9454 ���S�ȣ�22 ���vָ��(sh��)��9566

�‡�(gu��)WTW Oxi3205��yʽ�ܽ����x

�˚⣺2230 �l(f��)���r(sh��)�g��2009-12-30 17:13

�P(gu��n)�I�~���O(ji��n)�y(c��)�z�y(c��)�x

�a(ch��n)Ʒ��̖(h��o)��

��(y��ng)���I(l��ng)��늴�ݗ��

�a(ch��n)Ʒ�r(ji��)�����h

���˽����a(ch��n)ƷԔ��,��Ո(q��ng)


�‡�(gu��)WTW Oxi3205��yʽ�ܽ����x�ɜy(c��)��mg/L�����,%��Ͷ�,���։��͜ض�
���B��CellOx®325��DurOx®325�ܽ���늘O,��ͬ늘O�ɷքe�O(sh��)���y(c��)�����Å���(sh��)
�Ԅ�(d��ng)�x��(sh��)����,푑�(y��ng)�r(sh��)�g10��,�؏�(f��)��<0.05mg/L
�՚�(�ˮ����)���Ԅ�(d��ng)У��(zh��n)
�����@ʾ���Ԅ�(d��ng)�P(gu��n)�C(j��)����(����10min-24h֮�g�O(sh��)��)
4��(ji��)5̖(h��o)늳ؿ��B�m(x��)����1000С�r(sh��)
��ˮ�ȼ�(j��)IP67
DO�y(c��)������(sh��):
����: 0.00��19.99 mg/l±0.5 %�y(c��)ԇ��(sh��)ֵ
      0��90 mg/L±0.5 %�y(c��)ԇ��(sh��)ֵ
Ͷ�����:0.0��199.9 % ±0.5 %�y(c��)ԇ��(sh��)ֵ
           0��600 % ±0.5 %�y(c��)ԇ��(sh��)ֵ
�։�:0��199.9 hPa, 0��1250 hPa ±0.5 %
�ض� :–5.0��105.0 °C ± 0.1 °C
�Ԅ�(d��ng)�x��(sh��) :�Ԅ�(d��ng)/�ք�(d��ng)�x��
У�� :CellOx/DurOx ��OxiCal 
У���惦(ch��):�ɲ鮔(d��ng)ǰУ����(sh��)ֵ
��(n��i)�ÿ՚≺�����������a(b��)������
 �@ʾ��:LCD�D���@ʾ��,������ʽ
�Դ :4 x 1.5 V AA ��4 x 1.2 V NiMH늳ؿɳ��
�B�m(x��)���� :�L(zh��ng)�_(d��)1000С�r(sh��)���@ʾ����?x��)r150С�r(sh��)��
 �ߴ�:180×80×55mm
 ����:0.4Kg�������Դ�m������


�P(gu��n)�ڡ��‡�(gu��)WTW Oxi3205��yʽ�ܽ����x ���u(p��ng)Փ
�]�䣺 �ܴa�� ���Ñ�ע��(c��)

�W(w��ng)���u(p��ng)Փ�H������_(d��)��(g��)�˿���,�������������v�W(w��ng)ͬ�����^�c(di��n)���C��(sh��)������,��

��(y��ng)������