Oscarliu117 (Talk | contribs) |
Oscarliu117 (Talk | contribs) |
||
Line 110: | Line 110: | ||
<li>Adjust the knob. (Remark: Because the change of the knob is small, | <li>Adjust the knob. (Remark: Because the change of the knob is small, | ||
it may have to turn a | it may have to turn a | ||
− | few more times until display pH 4.)</li | + | few more times until display pH 4.)</li> |
<div id="centerimg" class="pic4"> | <div id="centerimg" class="pic4"> |
Revision as of 12:50, 30 September 2018
pH Meter