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Thread Tools | Display Modes |
17th November 2003, 07:49 PM
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New Member
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electrical conductance
hi xcidu here first time hi all 8)
:roll: dose anyone have any info schematic diagrams ect for a electrical conductivity meter used to measure the electrical conductance of a soultion also any info on PH meters thx |
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17th November 2003, 11:28 PM
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Experienced Member
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measuring electrical conductance ... I would use a resitance meter for that
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18th November 2003, 06:52 AM
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Experienced Member
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I'm not sure what system commercial pH meters use, but I do know that you have to be careful not to apply too much voltage across your electrodes, otherwise you can cause unwanted chemical reactions to occur...
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18th November 2003, 12:55 PM
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Experienced Member
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pH
Take a look at the 3rd circuit, "Circuit provides constant current for ISFETs/MEMFETs"
http://www.e-insite.net/ednmag/conte...s/102600di.pdf |
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Linear Mode
