Pt1000

隨溫度變化而改變的鉑熱電阻

PT1000是鉑熱電阻,它的阻值會隨著溫度的變化而改變。

原理


pt1000薄膜鉑電阻元件
pt1000薄膜鉑電阻元件
PT后的1000即表示它在0℃時阻值為1000歐姆,在300℃時它的阻值約為2120.515歐姆。它的工作原理:當PT1000在0攝氏度的時候,它的阻值為1000歐姆,其阻值隨溫度呈線性變化。

組成


常見的pt1000感溫元件有陶瓷元件,玻璃元件,雲母元件,它們是由鉑絲分別繞在陶瓷骨架,玻璃骨架,雲母骨架上再經過複雜的工藝加工而成。
Pt1000
Pt1000

應用


醫療、電機、工業、溫度計算、阻值計算等高精溫度設備,應用範圍非常之廣泛。
PT1000分度表
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1001385.0551388.8471392.6381396.4281400.2171404.0051407.7911411.5761415.3601419.143
1101422.9251426.7061430.4851434.2641438.0411441.8171445.5921449.3661453.1381456.910
1201460.6801464.4491468.2171471.9841475.7501479.5141483.2771487.0401490.8011494.561
1301498.3191502.0771505.8331509.5891513.3431517.0961520.8471524.5981528.3811532.139
1401535.8431539.5891543.3341547.0781550.8201554.5621558.3021562.0411565.7791569.516
1501573.2511576.9861580.7191584.4511588.1821591.9121595.6411599.3681603.0941606.820
1601610.5441614.2671617.9891621.7091625.4291629.1471632.8641636.5801640.2951644.009
1701647.7211651.4331655.1431658.8521662.5601666.2671669.9721673.6771677.3801681.082
1801684.7831688.4831692.1811695.8791699.5751703.2711706.9651710.6581714.3491718.040
1901721.7291725.4181729.1051732.7911736.4751740.1591743.8421747.5231751.2031754.882
2001758.5601762.2371765.9121769.5871773.2601776.9321780.6031784.2731787.9411791.610
2101795.2751798.9401802.6041806.2671809.9291813.5901817.2491820.9071824.5641828.220
2201831.8751835.5291839.1811842.8321846.4831850.1321853.7791857.4261861.0721864.716
2301868.3591872.0011875.6421879.2821882.9211886.5581890.1941893.8301897.4631901.096
2401904.7281908.3591911.9881915.6161919.2431922.8691926.4941930.1171933.7401937.361
2501940.9811944.6001948.2181951.8351955.4501959.0651962.6781966.2901969.9011973.510
2601977.1191980.7261984.3331987.9381991.5421995.1451998.7462002.3472005.9462009.544
2702013.1412016.7372020.3322023.9252027.5182031.1092034.6992038.2882041.8762045.463
2802049.0482052.6322056.2152059.7982063.3782066.9582070.5372074.1142077.6902081.265
2902084.8392088.4122091.9842095.5542099.1232102.6922106.2592109.8242113.3892116.953
3002120.515

圖表


PT100/PT1000鉑電阻RT曲線圖表
PT100/PT1000鉑電阻RT曲線圖表
PT100/PT1000鉑電阻RT曲線圖表

參數


薄膜鉑電阻:用真空沉積的薄膜技術把鉑濺射在陶瓷基片上,膜厚在2微米以內,用玻璃燒結料把Ni(或Pd)引線固定,經激光調阻製成薄膜元件。技術指標:溫度係數:TCR=3850ppm/K溫度範圍:B級:-70℃-500℃A級:-50℃-300℃1/3DIN:0---150°C引腳材質:鉑鎳合金,規範:DINEN60751(符合IEC751)尺寸:2.3mm×2.1mm×0.9mm(長×寬×高)引腳長10mm長期穩定性:R0漂移小於等於0.04%(500℃,1000小時后)抗振動等級:至少40g加速度(10-2000Hz)絕緣電阻:>100MΩ,20℃時>2MΩ,500℃時抗衝擊等級:至少100g加速度(波動8.5mS后)自熱係數:0.4K/mW(0℃時)響應時間:水@0.4m/st0.5=0.05St0.9=0.15S空氣@2m/st0.5=3.0St0.9=10.0S環境條件:未保護時只能用於乾燥環境,測量電流:PT100:0.3-最大1.0mA,PT1000:0.1至0.3mA