[?]: how to know if a sensor is damaged?

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dcastibl1
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Joined: Sat Mar 02, 2013 11:26 pm

[?]: how to know if a sensor is damaged?

Post by dcastibl1 » Sun Mar 03, 2013 2:14 am

Hi everybody.
I have a question and it is about how to know if a sensor (used in automation) are damaged?
what is the procedure for that?
the truth I have no idea about that.
I appreciate your answers.

CoMod
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Re: [?]: how to know if a sensor is damaged?

Post by CoMod » Sun Mar 03, 2013 4:03 pm

Use 4-20 mA interface.
0 mA = wire break

Or use redundant pair of sensors.

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