what is the input of conductivity sensor and meter during the calibration time

what is the input of conductivity sensor and meter during
the calibration time and what is the output?

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what is the input of conductivity sensor and meter during the calibration time and what is the outp..

Answer / sachin

4 to 20 mA

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what is the input of conductivity sensor and meter during the calibration time and what is the outp..

Answer / amsal

as sachin wrote 4-20mA
but it is only output of coductivity xmtr.
during calibration of conductivity xmtr its I/P is
resistance (according to its range) which is given by
resistance box.
for example Range is 0- 10 uSIMENS
display------ I/P ---------------------- O/P
0 uSIMENS.= maximum R means infinity = 4mA
2.5 uSIMENS.= 750 Ohms = 8mA
5.0 uSIMENS.= 500 Ohms = 12mA
7.5 uSIMENS.= 250 Ohms = 16mA
10 uSIMENS.= 0 Ohms = 20mA
it is for example only but in practical there is non linear
i/p resistance which will be required to get o/p according
to range
and O/P is 4-20mAs which is shown in the unit of uSIMENS.

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