ˮ¶ȼÿҪ˦˦ʱСʲôǿɾֱˡIJӵ㣬ؼ¶ȼˮ÷ɵȥˣ˶Ϊͷ´ˡΣõˮ¶ȼͨDzҸ¶ȣҸ¶ǽϴģȻԷջܲóģһܲ
¶ˮ¶ȼƾӷգ˵Ū¶ȼƵˮΣƽ˼һЩȺ͵ʼֹˮ¼ˡ
ӻֻǴȫ뻯ˣ¶ȼһҲ뻯˵¶ȼƵԭ裬ⶨֵı仯ӳ¶ȵı仯µǣҸȹߵĵ¶ȼƵȷס
ͨ¶ȼСֻҪһλС֪ԭ˶ãڳͳѧDZѧģһλǴ֣ҲDzȷġֻ֮ͨһλֵľͨ+/-2+/-5֮䣬ŵ¶ȼҲDz+/-0.2+/-0.5ȡ
ټ·ȵȣȾͺܹǺˣûüֵʵϣĴӵĵ¶ȼƣPhillips, Omronҽеңѵİĵ¶ȼƣձ糱Զѷˮ¶ȼơ
ĶԲȺõĿѧ˵ȻҪѰٸõļƻһ㶼ѡʱʪȼơ