PT100溫度傳感器三線制ok

1、PT100溫度傳感器品特征1、不銹鋼套管封裝，經(jīng)久耐用2、活動螺絲固定，使用方便3、按照國際IEC751國際標(biāo)準(zhǔn)制造，即插即用4、多種探頭尺寸可選、適應(yīng)面廣5、高精度、高穩(wěn)定、高靈敏6、外形小巧，經(jīng)濟(jì)實用特性指標(biāo)探頭長度cm/10cm/15cm/20cm電阻變化:0.3851Q/C螺絲規(guī)格8*1.0引線接法三線式套管材質(zhì)不銹鋼測溫范圍200-400C探頭直彳徑:5mm安裝方式活動螺絲固定引線長度:般2米，可訂制長度（專用引線）接線方式接線叉?zhèn)鞲衅骷（鉑）PT100溫度傳感器采用三線式接法的原因：100溫度傳感器0C時電阻值為100Q，電阻變化率為0.3851Q/C。由于其電阻值小，靈敏度高,

2、所以引線的阻值不能忽略不計，采用三線式接法可消除引線線路電阻帶來的測量誤差，原理如下:PT100引出的三根導(dǎo)線截面積和長度均相同（即r1=r2=r3）,測量鉑電阻的電路一般是不平衡電橋,鉑電阻（Rpt100）作為電橋的一個橋臂電阻，將導(dǎo)線一根（r1）接到電橋的電源端，其余兩根（r2、r3）分別接到鉑電阻所在的橋臂及與其相鄰的橋臂上，這樣兩橋臂都引入了相同阻值的引線電阻，電橋處于平衡狀態(tài)，引線線電阻的變化對測量結(jié)果沒有任何影響。單位：mtnM3*l.0L=5Ck1Q0-,150.200Lnd12卜2。探頭圧度引線長度PT100原理及分度表電阻式溫度傳感器(RTD,ResistanceTemper

3、atureDetector)-一種物質(zhì)材料作成的電阻，它會隨溫度的上升而改變電阻值，如果它隨溫度的上升而電阻值也跟著上升就稱為正電阻係數(shù)，如果它隨溫度的上升而電阻值反而下降就稱為負(fù)電阻系數(shù)。大部分電阻式溫度傳感器是以金屬作成的,其中以鉑(Pt)作成的電阻式溫度檢測器，最為穩(wěn)定-耐酸堿、不會變質(zhì)、相當(dāng)線性,最受工業(yè)界采用。PT100溫度傳感器是一種以鉑(Pt)作成的電阻式溫度傳感器，屬于正電阻系數(shù)，其電阻和溫度變化的關(guān)系式如下：R=Ro(1+aT)其中a=0.00392,Ro為100Q(在0C的電阻值),T為攝氏溫度，因此白金作成的電阻式溫度傳感器,PT100溫度傳感器分度表溫度01234567

4、89G電陰值（:純）-20018.52-19022.8322.4021.9721.5421.1120.6820.2519.8219.3818.95-18027.1026.6726.2425.8225.3324.9724.5424.1123.6823.25-17031.3430.9130.4930.0729.6429.2228.8028.3727.9527.52-16035.543S.1234.7034.2833.8633.4433.0232.60321831.76-15039.7239.3138.8938.4738.0537.6437.2238.8036.3835.96-14043.8843.

5、4643.0542.6342.2241.8041.3940.9740.5640.14-13048.0047.5947.1846.7746.3645.9445.5345.12447044.29-12052.1151.7051.2950.8850.4750.0649.6549.2448.8348.42-11056.1955.7955.3854.9754.5654.1553.7553.3452.9352.52-10060.2659.8559.4459.0458.6358.23578257.4157.0156.&0-9064.3063.9063.4963.0962.6862.2861.8861.476

6、1.0760.&6-8068.3367.9267.5267,1266.7266.3165.9165.5165.1164.T0-7072.33T1.9371.53T1.1370.7370.3369.9369.5369.1368.T3-6076.33T5.9375.53T5.1374.7374.3373.9373.53731372.T3-5080.31T9.9179.51T9.1178.7278.3277.9277.5277.1276.73-4084.2733.8763.4833.0882.6982.2961.8921.5081.1080.TO-3088.2287.8387.4387.0436.6

7、486.2585.8585.4685.0684.&7-2092.1891.7791.3790.9890.5990.1989.8089.4089.0188.62-1096.0995.6995.3094.9194.5294.1293.7393.3492.9592.550100.0099.6199.2298.8398.4498.04976597.2896.8796.480100.00100.39100.78101.17101.58101.95102.34102.73103.12103.5110103.90104.29104.68105.07105.46105.85106.24106.63107.02

8、107.40201077S108.18108.5T108.9610935109.73110.12110.51110.90111.2930111.67112.06112.45112.83113.22113.61114.00114.38114.77115.1540115.54115.93116.31116.70117.08117.47117.8&118.24118.63119.0150119.40119.78120.17120.55120.94121.32121.71122.09122.47122.8660123.24123.63124.01124.39124.78125.16125.54125.

9、93126.31126.6970127.08127.46127.84128.22128.61128.99129.37129.75130.13130.5280130.90131.28131.66132.04132.42132.80133.18133.57133.95134.3390134.71135.09135.47135.85136.23136.61136.99137.37137.75138.13100138.51138.88139.2&139.64140.02140.40140.78141.16141.54141.91110142.29142.67143.05143.43143.80144.

10、18144.5&144.94145.31145.69120146.07148.44148.82147.20147.57147.95148.33148.7014908149.46130149.83150.21150.58150.96151.33151.71152.08152.46152.83153.21140153.58153.96154.33154.71155.08155.46155.83156.20156.58156.95150157.33157.70158.07158.45158.82153.19159.5&159.94160.31160.68160161.05161.43161.8016

11、2.17162.54162.91163.291&3.66164.031&4.40170164.77165.14165.51165.89166.26166.63167.001&7.37167.741&8.1L180168.4S16S.85LS9.22169.陰16-9.96170.33170.701T1.07171.43171.80190172.17172.54172.91173.28173.S5174.02174.38174.75175.12175:49200175.86178.22176.59178.96177.33177.S9178.0&178.43178.79179.18210179.5

12、3179.89180.26180.63180.99181.36181.72182.09182.46182.82220183.19183.55183.92184.28184.65185.01185.38185.74186.11186.47230186.84187.20187.56187.93188.2918&66189.02189.38189.75190.11240190,47190.84191.20191.56191.92192.29192.65193.01193.37193.74Z50194.10194.46194.82195.18195.55195.91196.27196.63196.99

13、197.35260137.71198.07198.43198.79199.1519951199.87200.23200.59200.95270201.31201.67202.03202.39202.75203.11203.4T203.83204.19204.55280204.90205.26205.62205.96206.34206.70207.05207.41207.77208.13290208.43208.84209.20209.56209.91210.27210.63210.982:11.34211.70300212.05212.41212.7&213.12213.48213.83214

14、.19214.54214.90215.25310215.61215.96216.32216.67217.03217.38217.74218.09218.44218.80320219.15219.51219.86220.21220；57220.92221.27221.63221.98222.33330222.68223.04223.39223.74224.09224.45224.80225.15225.50225.85340226.21228.56226.91227.26227.61227.96228.31228.6822902229.37350229.72230.07230.42230.172

15、31.12231.47231.82232.17232.52232.87360233.21233.56233.91234.26234.61234.96235.31235.66236.00236.35370236.70237.05237.40237.74238.09238.44238.79239.13239.48239.83380240.18240.52240.8T241.22241.56241.91242.2&242.60242.95243.29390243.64243.93244.33244.68245.02245.37245.71246.06246.40246.75400247.09247.44247.78248.13248.47246.81249.1&249.50245.85250.19410250.53250