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Bruce Bailey
12/11/05 09:33
Read: 656 times

#105052 - LVDT?
Responding to: Steve M. Taylor's previous message
Terry & Steve ,

I've a product using strain gauges to measure weight of fluid containers. My experience hasn't been entirely satisfactory using strain guages due to bias shift with temperature, though that may be due to the desire for an inexpensive load cell (catilevered beam with four guages, two in compression and two in tension and the use of guages (same part number) but which do not necessarily have identical temperature coefficients).

I am considering an LVDT attached to the same beam measuring vertical deflection of the beam relative to a fixed base or apparent length increase relative to the fixed end of the beam (that is, the trangle formed by the beam end as the beam is deflected vertically).

Any thoughts?


List of 17 messages in thread
electromagnetic force transducer      Rao Np      12/09/05 06:12      
   electromagnetic force transducer?      Russell Bull      12/09/05 18:31      
      Agree      Steve M. Taylor      12/10/05 04:37      
         load cells      Terry Lingle      12/10/05 07:29      
            Time constant      Steve M. Taylor      12/10/05 08:02      
               sensor      Terry Lingle      12/10/05 19:37      
                  Strain gauges ?      Steve M. Taylor      12/11/05 05:20      
                     LVDT?      Bruce Bailey      12/11/05 09:33      
                        LVDT      Steve M. Taylor      12/11/05 10:16      
            Strain gauge      Oliver Sedlacek      12/13/05 14:55      
               Hmm      Steve M. Taylor      12/13/05 15:13      
                  LVDT and Strain Gauge devices      Lee D Case      12/15/05 13:19      
                     Eh?      Andy Neil      12/15/05 14:12      
                     Singing wire      Steve M. Taylor      12/15/05 15:09      
                        LVDT      Robert Revens      12/16/05 10:04      
                           LVDT      Lee D Case      12/16/05 11:36      
                              Mine too      Steve M. Taylor      12/16/05 13:09      

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