No,No,No,NO!
Use a 1000 ohm resistor in series with one lead, and measure the VOLTAGE across
it. As per ohms' law the reading will directly interpret as milliamps.
No additional current is contributed to the circuit.
Chuck
Nurse: "Doctor, the man you just gave a clean bill of health to dropped dead
right as he was leaving the office".
Doctor: "Turn him around, make it look like he was walking in."
On Sat, 8 Jun 2002 14:10:10 -0400, "Arnold Beland" <[email protected]>
wrote:
>If you are using a multimeter on the ohms range to measure the conductivity
>of your solution you may be putting yourself in harms way. These meters use
>a DC source voltage for resistance measurements, usually a 9 volt battery.
>This is enough voltage to start the process of electrolysis from one probe
>to the other. I believe that most of these probes are nickel plated.
>Nickel ions are very bad for you. A proper conductivity meter uses a
>relatively low AC voltage at 400 cycles ore more to eliminate the very
>phenomena.
>Best Regards,
>Arnold Beland
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