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Dear Frank,
Belated Christmas wishes,Wishing you a Happy New Year.
These days i was trying to understand the power supply requirement for the resistivity meter.As you said yes AC voltage with a max current 20mA wil serve the needs.
I request your help how to go ahead with the below given...
Thanks Frank,
I have read some papers where it has mentioned an AC square wave oscillator with 128hz frequency needs to be used for supplying current to the soil.Can you give me some idea how to achieve this alongwith circuit diagram
Hi All,
I am looking for a low constant current source,the requirement is
DC volts 18 35 75 125 150 200
Milli amps 0.5 1 2 5 10 20
Can anyone help me how to proceed?
Requirement is for Resistivity meter for ground water exploration
Regards,
Ramu
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