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Cost of Capacitive sensor and Tachogenerator

  1. Mar 17, 2005 #1
    Hi,

    Anyone knows the market price for capacitive sensor and tachogenerator? I just want to know how cheap such devices can get, so that I can make a decision on whether I should include these extra features in my project, considering the total project cost.

    Sorry for this weird question.
     
  2. jcsd
  3. Mar 17, 2005 #2
    Why does it have to be capacitive? Most sensors of this type are inductive or hall effect. Try: www.dakotadigital.com Let me know if this is what you are after.
     
  4. Mar 18, 2005 #3
    Capacitive sensors to sense the water level in a tank.

    Tachometer to measure the angular velocity of the driving motors, so that I can apply feedback control on the speed o the motors.
     
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