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07/06/05 18:19
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#96714 - measuring water temp inside tube
Hello Everyone,

I’m trying to accurately measure the temperature of flowing water inside a rubber tube of inner diameter of about 1/4" and wall tickness of about 1/16" transparent material. I want to due this with an IR thermometer but I believe that IR thermometers are only limited to measuring surface temperature. does anyone know if this is true? I have collected plenty of data that demonstrate the rubber tube surface temperature and the water temperature are not linearly related. Does any one have an idea as to how to get an accurate water temperature (+/-1 degree celcius would be ideal). Currently I have a thermistor and a thermocouple connected to the surface of the tube so that’s no longer an option. I also don’t want to punch into the tube and touch the water because I would have issues with sterilization.

Thanks everyone
Juan


List of 16 messages in thread
TopicAuthorDate
measuring water temp inside tube            01/01/70 00:00      
   re: measuring temp            01/01/70 00:00      
   ir thermometers            01/01/70 00:00      
      failling that .....            01/01/70 00:00      
   Non-contact temperature measurement            01/01/70 00:00      
      re:measuring temp.            01/01/70 00:00      
      Auto Clave!            01/01/70 00:00      
         Auto Clave!            01/01/70 00:00      
   Why rubber ?            01/01/70 00:00      
   insulate?            01/01/70 00:00      
   My Idea....            01/01/70 00:00      
      explain            01/01/70 00:00      
         Current Source            01/01/70 00:00      
   Is isolation necessary?            01/01/70 00:00      
   Where is Juan?            01/01/70 00:00      
      Dunno            01/01/70 00:00      

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