{"id":5317,"date":"2022-02-12T06:45:04","date_gmt":"2022-02-12T04:45:04","guid":{"rendered":"https:\/\/www.inst-sim.com\/1\/?p=5317"},"modified":"2022-02-12T06:45:04","modified_gmt":"2022-02-12T04:45:04","slug":"resistance-temperature-detector-rtd","status":"publish","type":"post","link":"https:\/\/www.inst-sim.com\/1\/temperature\/resistance-temperature-detector-rtd\/","title":{"rendered":"\u0645\u0642\u0627\u0648\u0645\u0629 \u0643\u0627\u0634\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 Resistance Temperature Detector RTD"},"content":{"rendered":"

\"\"<\/p>\n

\u0645\u0642\u062f\u0645\u0629<\/span><\/h2>\n

\n

\u0645\u0642\u0627\u0648\u0645\u0629 \u0643\u0627\u0634\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 Resistance Temperature Detector RTD<\/span> \u0623\u0648 \u062d\u0633\u0627\u0633\u0627\u062a \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 Resistive Thermal Devices (RTDs)<\/span> \u060c \u0647\u064a \u062d\u0633\u0627\u0633\u0627\u062a \u0644\u0644\u062d\u0631\u0627\u0631\u0629 \u062a\u0633\u062a\u063a\u0644 \u0627\u0644\u062a\u063a\u064a\u064a\u0631 \u0627\u0644\u0645\u062a\u0648\u0642\u0639 \u0641\u064a \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0644\u0628\u0639\u0636 \u0627\u0644\u0645\u0648\u0627\u062f \u0646\u062a\u064a\u062c\u0629 \u0627\u0644\u062a\u063a\u064a\u0631 \u0641\u064a \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u062a\u0647\u0627 . \u0646\u0638\u0631\u064b\u0627 \u0644\u0623\u0646 \u062a\u0644\u0643 \u0627\u0644\u062d\u0633\u0627\u0633\u0627\u062a \u062a\u0643\u0648\u0646 \u0641\u064a \u0623\u063a\u0644\u0628 \u0627\u0644\u0623\u062d\u064a\u0627\u0646 \u062a\u0642\u0631\u064a\u0628\u064b\u0627 \u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u0628\u0644\u0627\u062a\u064a\u0646 Platinum<\/span> \u060c \u0644\u0630\u0627 \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u0637\u0644\u0642 \u0639\u0644\u064a\u0647\u0627 \u062a\u0631\u0645\u0648\u0645\u062a\u0631\u0627\u062a \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0628\u0644\u0627\u062a\u064a\u0646\u064a\u0629 Platinum Resistance Thermometers (PRTs)<\/span> . \u0645\u0642\u0627\u0648\u0645\u0629 \u0643\u0627\u0634\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 Resistance Temperature Detector RTD<\/span> \u062a\u062d\u0644 \u0628\u0628\u0637\u0621 \u0645\u062d\u0644 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0632\u062f\u0648\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 Thermocouples<\/span> \u0641\u064a \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u0642\u0644 \u0639\u0646 600 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u060c \u0628\u0633\u0628\u0628 \u0627\u0644\u062f\u0642\u0629 Accuracy<\/span> \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0648\u0627\u0644\u062a\u0643\u0631\u0627\u0631\u064a\u0629 Repeatability<\/span> \u0627\u0644\u0639\u0627\u0644\u064a\u0629.<\/p>\n

 <\/p>\n

\u0645\u0642\u0627\u0648\u0645\u0629 \u0643\u0627\u0634\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 RTD<\/span> \u0647\u064a \u0641\u064a \u0627\u0644\u0623\u0633\u0627\u0633 \u0645\u0642\u0627\u0648\u0645\u0629 \u062d\u0633\u0627\u0633\u0629 \u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629. \u0648\u0647\u064a \u0639\u0646\u0635\u0631 \u0630\u0648 \u0645\u0639\u0627\u0645\u0644 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0645\u0648\u062c\u0628 Positive Temperature Coefficient<\/span> \u060c \u0645\u0645\u0627 \u064a\u0639\u0646\u064a \u0623\u0646 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u062a\u0632\u062f\u0627\u062f \u0645\u0639 \u0632\u064a\u0627\u062f\u0629 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629. \u0644\u0623\u0646 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0645\u0639\u062f\u0646 \u062a\u0632\u062f\u0627\u062f \u0645\u0639 \u0632\u064a\u0627\u062f\u0629 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629. \u062e\u0627\u0635\u064a\u0629 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u0645\u0639\u062f\u0646 \u062a\u0633\u0645\u0649 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 Resistivity<\/span> . \u062e\u0627\u0635\u064a\u0629 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u062a\u062d\u062f\u062f \u0643\u0644\u0627 \u0645\u0646 \u0627\u0644\u0637\u0648\u0644 \u0648\u0645\u0633\u0627\u062d\u0629 \u0627\u0644\u0645\u0642\u0637\u0639 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u064a\u0646 \u0644\u062a\u0635\u0646\u064a\u0639 \u0645\u0642\u0627\u0648\u0645\u0629 \u0643\u0627\u0634\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 RTD<\/span> \u0628\u0642\u064a\u0645\u0629 \u0645\u0639\u064a\u0646\u0629. \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u062a\u062a\u0646\u0627\u0633\u0628 \u0637\u0631\u062f\u064a\u0627 \u0645\u0639 \u0627\u0644\u0637\u0648\u0644 \u0648\u062a\u062a\u0646\u0627\u0633\u0628 \u0639\u0643\u0633\u064a\u0627 \u0645\u0639 \u0645\u0633\u0627\u062d\u0629 \u0627\u0644\u0645\u0642\u0637\u0639 Cross Sectional Area<\/span> . \u0645(4)<\/p>\n

.<\/p>\n

\u0645\u0648\u0627\u062f \u062a\u0635\u0646\u064a\u0639 \u0645\u0642\u0627\u0648\u0645\u0629 \u0643\u0627\u0634\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 RTD Materials<\/span><\/h2>\n

 <\/p>\n

\u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0627\u062f\u0629 \u062a\u0635\u0646\u0639 \u0645\u0642\u0627\u0648\u0645\u0629 \u0643\u0627\u0634\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 RTD \u0647\u0648:<\/strong><\/p>\n

 <\/p>\n

    \n
  • \u064a\u062c\u0628 \u0623\u0646 \u062a\u0643\u0648\u0646 \u0627\u0644\u0645\u0627\u062f\u0629 \u0645\u0631\u0646\u0629 Malleable \u0628\u062d\u064a\u062b \u064a\u0645\u0643\u0646 \u062a\u0634\u0643\u064a\u0644\u0647\u0627 \u0625\u0644\u0649 \u0623\u0633\u0644\u0627\u0643 \u0635\u063a\u064a\u0631\u0629.<\/li>\n<\/ul>\n

     <\/p>\n

      \n
    • \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0644\u0647\u0627 \u0645\u064a\u0644 Slope \u0623\u0648 \u0645\u0646\u062d\u0646\u0649 Curve \u0645\u0633\u062a\u0642\u0631 Stable \u0648\u0642\u0627\u0628\u0644 \u0644\u0644\u062a\u0643\u0631\u0627\u0631 Repeatable .<\/li>\n<\/ul>\n

       <\/p>\n

        \n
      • \u064a\u062c\u0628 \u0623\u0646 \u062a\u0643\u0648\u0646 \u0627\u0644\u0645\u0627\u062f\u0629 \u0623\u064a\u0636\u064b\u0627 \u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062a\u0622\u0643\u0644 Corrosion .<\/li>\n<\/ul>\n

         <\/p>\n

          \n
        • \u064a\u062c\u0628 \u0623\u0646 \u062a\u0643\u0648\u0646 \u0627\u0644\u0645\u0627\u062f\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062a\u0643\u0644\u0641\u0629.<\/li>\n<\/ul>\n

           <\/p>\n

            \n
          • \u064a\u0641\u0636\u0644 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0644\u0644\u0645\u0627\u062f\u0629 \u0645\u0642\u0627\u0648\u0645\u0629 \u062e\u0637\u064a\u0629 Linear Resistance \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u062a\u063a\u064a\u0631 \u0641\u064a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629. \u0645(4)<\/li>\n<\/ul>\n

            .<\/p>\n

            \u062d\u0633\u0627\u0633 RTD \u0648\u0627\u0644\u0627\u0633\u062a\u0642\u0631\u0627\u0631 Stability<\/span><\/h2>\n

             <\/p>\n

            \u0647\u0630\u0627 \u0642\u064a\u0627\u0633 \u0644\u0644\u0627\u0646\u062c\u0631\u0627\u0641 Drift \u0627\u0644\u0646\u0627\u062a\u062c \u0628\u0645\u0631\u0648\u0631 \u0627\u0644\u0648\u0642\u062a. \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u0634\u0627\u0631 \u0625\u0644\u0649 \u0647\u0630\u0627 \u0627\u0644\u0627\u0633\u062a\u0642\u0631\u0627\u0631 Stability \u0639\u0644\u0649 \u0627\u0644\u0645\u062f\u0649 \u0627\u0644\u0637\u0648\u064a\u0644. \u0645\u0639\u0638\u0645 \u0627\u0644\u0634\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u062a\u062d\u062f\u062f \u0627\u0644\u0627\u0633\u062a\u0642\u0631\u0627\u0631 Stability \u0639\u0646\u062f \u0623\u0642\u0644 \u0645\u0646 0.05 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0641\u064a \u0627\u0644\u0633\u0646\u0629. \u0627\u0644\u0627\u0633\u062a\u0642\u0631\u0627\u0631 Stability \u064a\u062a\u0623\u062b\u0631 \u0628\u0646\u0648\u0639 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u0633\u062a\u0634\u0639\u0631. \u0627\u0644\u0645\u0633\u062a\u0634\u0639\u0631 \u0627\u0644\u0645\u0635\u0645\u0645 \u062c\u064a\u062f\u064b\u0627 \u0648\u0639\u0627\u0644\u064a \u0627\u0644\u062c\u0648\u062f\u0629 \u0633\u064a\u0643\u0648\u0646 \u0623\u0642\u0644 \u0627\u0646\u062c\u0631\u0627\u0641\u064b\u0627. \u064a\u062a\u0623\u062b\u0631 \u0627\u0644\u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0623\u064a\u0636\u064b\u0627 \u0628\u0627\u0644\u0628\u064a\u0626\u0629 \u0627\u0644\u062a\u064a \u0633\u064a\u0639\u0645\u0644 \u0641\u064a\u0647\u0627 \u062d\u0633\u0627\u0633 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u060c \u0648\u0627\u0644\u0635\u062f\u0645\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 Thermal Shock \u062a\u0624\u062b\u0631 \u0623\u064a\u0636\u0627 \u0639\u0644\u0649 \u0627\u0644\u0627\u0633\u062a\u0642\u0631\u0627\u0631. \u0645(4)<\/p>\n

            .<\/p>\n

            \u062d\u0633\u0627\u0633 RTD \u0648 \u0632\u0645\u0646 \u0627\u0644\u0627\u0633\u062a\u062c\u0627\u0628\u0629 Response Time<\/span><\/h2>\n

             <\/p>\n

            \u0632\u0645\u0646 \u0627\u0644\u0627\u0633\u062a\u062c\u0627\u0628\u0629 Response Time \u0647\u0648 \u0642\u062f\u0631\u0629 \u0627\u0644\u0645\u0633\u062a\u0634\u0639\u0631\u0627\u062a \u0639\u0644\u0649 \u0627\u0644\u062a\u0641\u0627\u0639\u0644 \u0645\u0639 \u0627\u0644\u062a\u063a\u064a\u0631\u0627\u062a \u0641\u064a \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0625\u0646\u062a\u0627\u062c\u064a\u0629 Process . \u062a\u0639\u062a\u0645\u062f \u0627\u0644\u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u062a\u062a\u0628\u0639 \u062a\u063a\u064a\u064a\u0631\u0627\u062a \u0641\u064a \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0625\u0646\u062a\u0627\u062c\u064a\u0629 Process \u0639\u0644\u0649 \u0643\u0644\u0627 \u0645\u0646 \u0627\u0644\u0643\u062a\u0644\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0644\u062d\u0633\u0627\u0633\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0645\u062f\u064a \u0642\u0631\u0628\u0647\u0627 \u0645\u0646 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0625\u0646\u062a\u0627\u062c\u064a\u0629 Process . \u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u062a\u0643\u0648\u0646 \u0627\u0644\u062d\u0633\u0627\u0633\u0627\u062a \u0645\u0646 \u0646\u0648\u0639 \u0627\u0644\u063a\u0645\u0631 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 Direct Immersion \u0647\u064a \u0627\u0644\u0623\u0633\u0631\u0639 \u0627\u0633\u062a\u062c\u0627\u0628\u0629 \u060c \u0648\u0644\u0643\u0646 \u0641\u064a \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0628\u0626\u0631 \u062d\u0631\u0627\u0631\u064a Thermowell \u0644\u0645\u0646\u0639 \u0627\u0644\u062d\u0627\u062c\u0629 \u0625\u0644\u064a \u0625\u064a\u0642\u0627\u0641 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0623\u0648 \u0627\u0644\u062d\u0627\u062c\u0629 \u0625\u0644\u064a \u062a\u0635\u0631\u064a\u0641 \u0645\u0627\u062f\u0629 \u0627\u0644\u0645\u0646\u062a\u062c \u0644\u062a\u063a\u064a\u064a\u0631 \u062d\u0633\u0627\u0633 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 . \u0645(4)<\/p>\n

            .<\/p>\n

            \u062d\u0633\u0627\u0633 RTD \u0648\u0623\u0633\u0644\u0627\u0643 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 Extension Cable Effect<\/span><\/h2>\n

             <\/p>\n

            \u0625\u0646 \u062a\u0623\u062b\u064a\u0631 \u0645\u0642\u0627\u0648\u0645\u0629 \u0623\u0633\u0644\u0627\u0643 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0644\u0627 \u064a\u064f\u0633\u062a\u0647\u0627\u0646 \u0628\u0647\u0627 \u060c \u062d\u062a\u0649 \u0641\u064a \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u062a\u064a \u062a\u0643\u0648\u0646 \u0641\u064a\u0647\u0627 \u0627\u0644\u0645\u0633\u0627\u0641\u0629 \u0628\u064a\u0646 \u0645\u0633\u062a\u0634\u0639\u0631\u0627\u062a RTD \u0648\u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 \u0627\u0644\u0645\u062a\u0635\u0644\u0629 \u0628\u0647\u0627 \u0628\u0636\u0639\u0629 \u0623\u0645\u062a\u0627\u0631.<\/p>\n

             <\/p>\n

            \u064a\u062a\u0645 \u062a\u062b\u0628\u064a\u062a \u062c\u0647\u0627\u0632 \u0627\u0644\u0625\u0631\u0633\u0627\u0644 Transmitter \u0648\u062d\u0633\u0627\u0633 RTD \u0641\u064a \u0645\u0643\u0627\u0646 \u0642\u0631\u064a\u0628. \u062d\u064a\u062b \u064a\u0632\u062f\u0627\u062f \u062e\u0637\u0623 \u0627\u0644\u0642\u064a\u0627\u0633 Measurement Error \u0645\u0639 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u0645\u0633\u0627\u0641\u0629 \u0628\u064a\u0646 \u0627\u0644\u0645\u0631\u0633\u0644 Transmitter \u0648\u062d\u0633\u0627\u0633 RTD .<\/p>\n

            .<\/p>\n

            \u062d\u0633\u0627\u0633 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 Pt100<\/span><\/h2>\n

             <\/p>\n

            \u062d\u0633\u0627\u0633\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 Pt100 \u0647\u064a \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u0623\u0643\u062b\u0631 \u0634\u064a\u0648\u0639\u064b\u0627 \u0628\u064a\u0646 \u062d\u0633\u0627\u0633\u0627\u062a \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0628\u0644\u0627\u062a\u064a\u0646\u064a\u0629 Platinum Resistance Thermometer . \u064a\u0634\u064a\u0631 \u0627\u0644\u0645\u0642\u0637\u0639 Pt \u0625\u0644\u0649 \u0623\u0646 \u0627\u0644\u0645\u0633\u062a\u0634\u0639\u0631 \u0645\u0635\u0646\u0648\u0639 \u0645\u0646 \u0627\u0644\u0628\u0644\u0627\u062a\u064a\u0646 Platinum (Pt) . \u0648\u062a\u0634\u064a\u0631 \u0627\u0644\u0642\u064a\u0645\u0629 100 \u0625\u0644\u064a \u0623\u0646 \u0627\u0644\u0645\u0633\u062a\u0634\u0639\u0631 \u0639\u0646\u062f 0 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0644\u062f\u064a\u0647 \u0645\u0642\u0627\u0648\u0645\u0629 \u0645\u0642\u062f\u0627\u0631\u0647\u0627 100 \u0623\u0648\u0645 (\u03a9).<\/p>\n

            .<\/p>\n

            \u062d\u0633\u0627\u0633 RTD \u0648 \u0642\u0646\u0637\u0631\u0629 \u0648\u064a\u062a\u0633\u062a\u0648\u0646 Wheatstone Bridge<\/span><\/h2>\n

            <\/h2>\n

            \u0644\u0644\u0643\u0634\u0641 \u0639\u0646 \u0627\u0644\u062a\u063a\u064a\u064a\u0631\u0627\u062a \u0627\u0644\u0635\u063a\u064a\u0631\u0629 \u0641\u064a \u0645\u0642\u0627\u0648\u0645\u0629 \u0643\u0627\u0634\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 RTD \u060c \u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062c\u0647\u0627\u0632 \u0645\u064f\u0631\u0633\u0644 \u0644\u0644\u062d\u0631\u0627\u0631\u0629 \u0639\u0644\u0649 \u0634\u0643\u0644 \u0642\u0646\u0637\u0631\u0629 \u0648\u064a\u062a\u0633\u062a\u0648\u0646 Wheatstone Bridge \u0628\u0634\u0643\u0644 \u0639\u0627\u0645. \u062a\u0642\u0627\u0631\u0646 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0642\u064a\u0645\u0629 \u0645\u0642\u0627\u0648\u0645\u0629 \u0643\u0627\u0634\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 RTD \u0628\u062b\u0644\u0627\u062b\u0629 \u0645\u0642\u0627\u0648\u0645\u0627\u062a \u0623\u062e\u0631\u064a \u0645\u0639\u0631\u0648\u0641\u0629 \u0648\u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062f\u0642\u0629.<\/p>\n

            .<\/p>\n

            \u0645\u0645\u064a\u0632\u0627\u062a \u0648\u0639\u064a\u0648\u0628 \u0645\u0642\u0627\u0648\u0645\u0629 \u0643\u0627\u0634\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 Advantages and Disadvantages of Resistance Temperature Detector RTD<\/span><\/h2>\n

             <\/p>\n\n\n\n\n\n
            \u0627\u0644\u062d\u0633\u0627\u0633 <\/strong>Sensor<\/strong><\/td>\n\u0627\u0644\u0645\u0645\u064a\u0632\u0627\u062a <\/strong>Advantages<\/strong><\/td>\n\u0627\u0644\u0639\u064a\u0648\u0628 <\/strong>Disadvantages<\/strong><\/td>\n<\/tr>\n
            \n

            \u0627\u0644\u0645\u0632\u062f\u0648\u062c \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/p>\n

            Thermocouple<\/td>\n

            		\n

            \u00a7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0628\u0633\u064a\u0637 Simple .<\/p>\n

            \u00a7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u063a\u064a\u0631 \u0645\u0643\u0644\u0641 Inexpensive .<\/p>\n

            \u00a7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0645\u062c\u0645\u0648\u0639\u0629 \u0643\u0628\u064a\u0631\u0629 \u0648\u0645\u062a\u0646\u0648\u0639\u0629 Large Variety .<\/p>\n

            \u00a7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0645\u062f\u064a \u0643\u0628\u064a\u0631 \u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 Large Temperature Range .<\/p>\n

            \u00a7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0645\u062a\u064a\u0646 Rugged .<\/p>\n

            \u00a7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00ab\u0637\u0627\u0642\u0629 \u0630\u0627\u062a\u064a\u0629 Self-powered\u00bb<\/td>\n

            		\n

            \u00a7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u063a\u064a\u0631 \u062e\u0637\u064a Non linear .<\/p>\n

            \u00a7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u062c\u0647\u062f \u0645\u0646\u062e\u0641\u0636 Low Voltage .<\/p>\n

            \u00a7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u062a\u062d\u062a\u0627\u062c \u0644\u0645\u0631\u062c\u0639 Require Reference .<\/p>\n

            \u00a7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0623\u0642\u0644 \u0627\u0633\u062a\u0642\u0631\u0627\u0631\u0627 Less Stable .<\/td>\n<\/tr>\n

            \n

            \u0645\u0642\u0627\u0648\u0645\u0629 \u0643\u0627\u0634\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/p>\n

            RTD<\/td>\n

            		\n

            \u00a7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0623\u0643\u062b\u0631 \u0627\u0633\u062a\u0642\u0631\u0627\u0631\u0627 More Stable .<\/p>\n

            \u00a7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0623\u0643\u062b\u0631 \u062f\u0642\u0629 More Accurate .<\/p>\n

            \u00a7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0623\u0643\u062b\u0631 \u062e\u0637\u064a\u0629 More Linear .<\/td>\n

            		\n

            \u00a7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u063a\u0627\u0644\u064a \u0627\u0644\u062b\u0645\u0646 Expensive .<\/p>\n

            \u00a7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0627\u0644\u062d\u0627\u062c\u0629 \u0644\u0645\u0635\u062f\u0631 \u062a\u063a\u0630\u064a\u0629 Current Source Required<\/p>\n

            \u00a7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0635\u063a\u064a\u0631 Small .<\/p>\n

            \u00a7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0630\u0627\u062a\u064a Self Heating .<\/p>\n

            \u00a7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0645\u0642\u0627\u0648\u0645\u0629 \u0642\u0627\u0639\u062f\u0629 \u0635\u063a\u064a\u0631\u0629 Small Base Resistance .<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            .<\/p>\n

            \u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u0646 \u0623\u0648\u062c\u0647 \u0623\u062e\u0631\u064a<\/strong><\/p>\n

             <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
            \u0648\u062c\u0647 \u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 <\/strong>Criteria<\/strong><\/td>\n\n

            \u0627\u0644\u0645\u0632\u062f\u0648\u062c \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/strong><\/p>\n

            Thermocouple<\/strong><\/td>\n

            		\n

            \u0645\u0642\u0627\u0648\u0645\u0629 \u0643\u0627\u0634\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/strong><\/p>\n

            RTD<\/strong><\/td>\n<\/tr>\n

            \u0627\u0644\u062a\u0643\u0644\u0641\u0629 Cost<\/td>\n\u0645\u0646\u062e\u0641\u0636\u0629 Low .<\/td>\n\u0639\u0627\u0644\u064a\u0629 High .<\/td>\n<\/tr>\n
            \u0645\u062f\u064a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 Temperature range<\/td>\n\n

            \u0643\u0628\u064a\u0631 \u062c\u062f\u0627<\/p>\n

            \u0645\u0646 -450 \u0625\u0644\u064a 4200 \u0641\u0647\u0631\u0646\u0647\u064a\u062a<\/td>\n

            		\n

            \u0643\u0628\u064a\u0631<\/p>\n

            \u0645\u0646 -400 \u0625\u0644\u064a 1200 \u0641\u0647\u0631\u0646\u0647\u064a\u062a<\/td>\n<\/tr>\n

            \u0627\u0644\u0642\u0627\u0628\u0644\u064a\u0629 \u0644\u0644\u0625\u0633\u062a\u0628\u062f\u0627\u0644 Interchangeability<\/td>\n\u062c\u064a\u062f Good .<\/td>\n\u0645\u0645\u062a\u0627\u0632 Excellent .<\/td>\n<\/tr>\n
            \u0627\u0644\u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0637\u0648\u064a\u0644 \u0627\u0644\u0645\u062f\u0649 Long Term Stability<\/td>\n\u0645\u0642\u0628\u0648\u0644 Fair .<\/td>\n\u062c\u064a\u062f Good .<\/td>\n<\/tr>\n
            \u0627\u0644\u062f\u0642\u0629 Accuracy<\/td>\n\u0645\u062a\u0648\u0633\u0637\u0629 Medium .<\/td>\n\u0639\u0627\u0644\u064a High .<\/td>\n<\/tr>\n
            \n

            \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0625\u062d\u0633\u0627\u0633 Sensibility<\/p>\n

            (\u0627\u0644\u062e\u0631\u062c Output)<\/td>\n

            		\u0645\u0646\u062e\u0641\u0636 Low .<\/td>\n\u0645\u062a\u0648\u0633\u0637 Medium .<\/td>\n<\/tr>\n
            \n

            \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0625\u062d\u0633\u0627\u0633 Sensibility<\/p>\n

            (\u0627\u0644\u0637\u0631\u0641 Tip)<\/td>\n

            		\u0645\u0645\u062a\u0627\u0632 Excellent .<\/td>\n\u0645\u0642\u0628\u0648\u0644 Fair .<\/td>\n<\/tr>\n
            \u0632\u0645\u0646 \u0627\u0644\u0627\u0633\u062a\u062c\u0627\u0628\u0629 Response Time<\/td>\n\u0645\u062a\u0648\u0633\u0637 Medium \u0623\u0648 \u0633\u0631\u064a\u0639 Fast .<\/td>\n\u0645\u062a\u0648\u0633\u0637 Medium .<\/td>\n<\/tr>\n
            \u0627\u0644\u062e\u0637\u064a\u0629 Linearity<\/td>\n\u0645\u0642\u0628\u0648\u0644 Fair .<\/td>\n\u062c\u064a\u062f Good .<\/td>\n<\/tr>\n
            \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0630\u0627\u062a\u064a Self Heating<\/td>\n\u0644\u0627 \u064a\u0648\u062c\u062f None .<\/td>\n\u0645\u0646\u062e\u0641\u0636 Low .<\/td>\n<\/tr>\n
            \u062a\u0623\u062b\u064a\u0631 \u0643\u0627\u0628\u0644 \u0627\u0644\u062a\u0645\u062f\u064a\u062f Extension Cable Effect<\/td>\n\u0639\u0627\u0644\u064a High .<\/td>\n\u0645\u062a\u0648\u0633\u0637 Medium .<\/td>\n<\/tr>\n
            \u0623\u0628\u0639\u0627\u062f \u0627\u0644\u062d\u0633\u0627\u0633 Sensor Dimension<\/td>\n\u0645\u0646 \u0635\u063a\u064a\u0631 \u062c\u062f\u0627 \u0625\u0644\u064a \u0643\u0628\u064a\u0631 \u0627\u0644\u062d\u062c\u0645<\/td>\n\u0645\u0646 \u0635\u063a\u064a\u0631 \u0625\u0644\u064a \u0645\u062a\u0648\u0633\u0637<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            .<\/p>\n

            \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0630\u0627\u062a\u064a Self-Heating<\/span><\/h2>\n

             <\/p>\n

            \u0646\u0638\u0631\u064b\u0627 \u0644\u0623\u0646 RTD \u064a\u0642\u064a\u0633 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0639\u0646 \u0637\u0631\u064a\u0642 \u062a\u0645\u0631\u064a\u0631 \u062a\u064a\u0627\u0631 \u0639\u0628\u0631 \u0627\u0644\u0645\u0642\u0627\u0648\u0645 (\u0645\u0642\u0627\u0648\u0645\u0629 \u0643\u0627\u0634\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 RTD) \u060c \u064a\u062d\u062f\u062b \u0627\u0644\u062e\u0637\u0623 Error \u0627\u0644\u0645\u0639\u0631\u0648\u0641 \u0628\u0627\u0633\u0645 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0630\u0627\u062a\u064a Self-Heating .<\/p>\n

             <\/p>\n

            \u0643\u0644\u0627 \u0645\u0646 \u0643\u062a\u0644\u0629 \u0645\u0633\u062a\u0634\u0639\u0631 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 Sensor\u2019s Mass \u0628\u0634\u0643\u0644 \u0623\u0633\u0627\u0633\u064a \u0648\u0628\u0646\u064a\u062a\u0647 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 \u0648\u062a\u064a\u0627\u0631 \u0627\u0644\u0642\u064a\u0627\u0633 Measurement Current \u0648\u0628\u062f\u0631\u062c\u0629 \u0643\u0628\u064a\u0631\u0629 \u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0628\u064a\u0626\u064a\u0629 \u062a\u062d\u062f\u062f \u062d\u062c\u0645 \u0647\u0630\u0627 \u0627\u0644\u062e\u0637\u0623 Error . \u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u064a\u0627\u0631 \u0635\u063a\u064a\u0631 \u062c\u062f\u064b\u0627 \u060c \u0639\u0627\u062f\u0629\u064b 1-5 \u0645\u0644\u0644\u064a \u0623\u0645\u0628\u064a\u0631 \u0641\u064a \u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0625\u062b\u0627\u0631\u0629 Excitation Circuit \u0644\u062a\u0642\u0644\u064a\u0644 \u062a\u0633\u062e\u064a\u0646 \u062d\u0633\u0627\u0633 \u0627\u0644\u062d\u0631\u0627\u0631\u0629. \u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u0628\u0646\u0627\u0621 \u0627\u0644\u062f\u0627\u062e\u0644\u064a Internal Construction \u0644\u0644\u062d\u0633\u0627\u0633\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 Thermo Sensors \u062a\u0639\u0645\u0644 \u0639\u0644\u0649 \u0632\u064a\u0627\u062f\u0629 \u062c\u0648\u062f\u0629 \u0646\u0642\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0644\u062a\u0642\u0644\u064a\u0644 \u062a\u0623\u062b\u064a\u0631\u0647\u0627 \u0628\u0634\u0643\u0644 \u0623\u0643\u0628\u0631.<\/p>\n

             <\/p>\n

            \u0641\u064a \u0627\u0644\u062d\u0627\u0644\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0644\u0628 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0644\u062d\u0642\u0627\u062a \u0643\u0628\u064a\u0631\u0629 \u0627\u0644\u062d\u062c\u0645 \u0645\u062b\u0644 \u0627\u0644\u0622\u0628\u0627\u0631 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 Thermowells \u0623\u0648 \u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 Protective Tubes \u0648\u0627\u0644\u062a\u064a \u062a\u062a\u0633\u0628\u0628 \u0641\u064a \u062a\u0643\u0648\u064a\u0646 \u0628\u064a\u0626\u0629 \u0630\u0627\u062a \u0647\u0648\u0627\u0621 \u0633\u0627\u0643\u0646 \u0623\u0648 \u0628\u0637\u0626 \u0627\u0644\u062d\u0631\u0643\u0629 \u062d\u0648\u0644 \u062d\u0633\u0627\u0633 \u0627\u0644\u062d\u0631\u0627\u0631\u0629\u060c \u0647\u0630\u0647 \u0627\u0644\u062d\u0627\u0644\u0627\u062a \u0633\u062a\u062a\u0639\u0631\u0636 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631 \u0644\u0645\u0634\u0643\u0644\u0629 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0630\u0627\u062a\u064a Self-Heating \u0623\u0643\u062b\u0631 \u0645\u0646 \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0627\u0644\u0645\u0639\u0627\u0643\u0633\u0629.<\/p>\n

             <\/p>\n

            \u064a\u0645\u0643\u0646 \u0644\u062d\u0633\u0627\u0633 \u062d\u0631\u0627\u0631\u0629 \u0645\u062b\u0628\u062a \u0628\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u063a\u0645\u0631 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 Direct Immersion Probe \u0648\u0630\u0648 \u0642\u0637\u0631 \u062e\u0627\u0631\u062c\u064a \u0635\u063a\u064a\u0631 \u0645\u0642\u062f\u0627\u0631\u0647 0.25 \u0628\u0648\u0635\u0629\u060c \u0648\u0645\u062b\u0628\u062a \u0641\u064a \u0648\u0633\u0637 \u0645\u064a\u0627\u0647 \u0645\u062a\u062f\u0641\u0642\u0629 (\u0628\u062d\u062f \u0623\u062f\u0646\u0649 \u0645\u0646 \u0645\u0639\u062f\u0644 \u0627\u0644\u0633\u0631\u064a\u0627\u0646 \u0645\u0642\u062f\u0627\u0631\u0647 3 \u0623\u0642\u062f\u0627\u0645 \/ \u062b\u0627\u0646\u064a\u0629) \u064a\u0645\u0643\u0646\u0647\u0627 \u062a\u0628\u062f\u064a\u062f \u0627\u0644\u062e\u0637\u0623 \u062a\u0645\u0627\u0645\u064b\u0627.<\/p>\n

             <\/p>\n

            \u0644\u062d\u0633\u0646 \u0627\u0644\u062d\u0638 \u060c \u0625\u0630\u0627 \u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u064a\u0627\u0631 \u0642\u064a\u0627\u0633 \u0635\u063a\u064a\u0631 (1-2 \u0645\u0644\u0644\u064a \u0623\u0645\u0628\u064a\u0631) \u060c \u0641\u0633\u062a\u0643\u0648\u0646 \u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0630\u0627\u062a\u064a Self-Heating Errors \u0636\u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u0645\u0642\u0628\u0648\u0644\u0629 \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629.<\/p>\n

             <\/p>\n

            \u0644\u062a\u0642\u0631\u064a\u0628 \u0645\u0642\u062f\u0627\u0631 \u0627\u0644\u062e\u0637\u0623 \u061b \u0636\u0639 \u0641\u064a \u0627\u0639\u062a\u0628\u0627\u0631\u0643 \u0623\u0646 \u062b\u0627\u0628\u062a \u0627\u0644\u062a\u0628\u062f\u064a\u062f Dissipation Constant \u0633\u064a\u0643\u0648\u0646 \u0639\u0627\u062f\u0629 \u0628\u062d\u062c\u0645 20-100 \u0645\u0644\u064a \u0648\u0627\u0637\/0 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u060c \u0648\u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629. \u0645(3)<\/p>\n

            .<\/p>\n

            \u062e\u0637\u0623 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0630\u0627\u062a\u064a Self-heating Error = (\u0627\u0644\u0642\u062f\u0631\u0629 Power)\\(\u062b\u0627\u0628\u062a \u062a\u0628\u062f\u064a\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u0629 Dissipation constant)<\/strong><\/p>\n

            .<\/p>\n

            \u0645\u062b\u0627\u0644:<\/strong><\/span><\/p>\n

             <\/p>\n