百家乐官网

热电阻的测量原理

redianzucewenyuanlishixianjiangwendudebianhuazhuanhuachengredianzudebianhua，ranhouzaiyouwendubiansongqijiangdianzudebianhuazhuanhuachengdianyadebianhua，jisuanjitongguoduidianyadecaiyanghejisuanbiankededaowenduzhi。

yongyucewenderedianzuyibanyouliangzhongguige，yizhongweicu50，lingyizhongweipt100；cu50redianzucewenyuanjianshi0℃shiqishuchudianzuwei50ou；pt100redianzucewenyuanjianshi0℃shiqishuchudianzuwei100ou。zhihou，suizhewendudetigao，redianzuzhichengfeixianxingzengjia，duiyingguanxijianhoubiao。

百家乐官网redianzuwendubiansongqideceliangyuanlitu

weilebianyujisuanjiceliang，caiyongwendubiansongqijiangdianzuzhizhuanhuanchengdianyazhi，redianzuwendubiansongqidegongzuoyuanliruxia:

redianzuwendubiansongqifenbiezaiachebclianggehuiluzhongjiahengdingdediandianliui，jiadingdaoxiandianzuweirl，

ze: vac=i*rl+i*rt+2*i*rl；vbc=i*rl+2*i*rl；ui=vac-vbc=i*rt。

百家乐官网zaijingguoneibuxianxing/feixianxingbianhuanbiankededao: u0=f（rt）=k*t；

百家乐官网yinci，keyitongguogaibianjiazaia，b，csangeduandianshangdedianzuzhilaigaibianbiansongqideshuchudianyau0。rtheu0zhijiandeduiyingguanxijianhoubiao。

温度变送器的调试方法

genjuwendubiansongqidegongzuoyuanli，keyitongguozaibiansongqidea,b,cshuruduanzishangjiabutongdedianzuhouceliangredianzuwendubiansongqishuchudianyadebanfaduibiansongqijinxingdiaoshi，yibanzuolianggedianjike。

1、duiyucu50biansongqi，rt=50ou，uo=0v，rt=75ou，uo=k*116.8=(5/120)*116.8=4.87v

百家乐官网2、duiyupt100biansongqi，rt=100ou，uo=0v，rt=125ou，uo=k*64.59=(5/120)*64.59=2.69v

百家乐官网zhu: jiadingredianzuwendubiansongqishuchuwei0~5v，liangchengfanweiwei0~120du。

注意事项

1、congxianchanglaidexinhaoxianyibanyoua，b，csangeduanzi，genjuceliangyuanli，ab，aczhijianyouyigertdianzu，bczhijianzhiyouxianludianzu，zheisandianbunengjiecuo，fouzebiansongqishuchubudui。

2、redianzuwendubiansongqiyibancaiyong220vbaijialeguanwangdianyuan，bunenggaocuo。

百家乐官网3、ruguoredianzuwendubiansongqishuchudeshidianliu，zercs9603shangbixubaxiangyingdedianzutiaoshang。