How can I connect a pico-ammeter to measure the current of several pico ampere? We have keithley source meter 2400. In case of nano ampere current, source meter showing the same but pico ammeter shows micro ampere current when pico ammeter connected in series with sample and source meter.
Good day!
My english is not god, but I want to halp you.
I found the information and translated it through the Google translator)
Scheme of installation for measuring the volt-ampere characteristic of samples: 1 - sample; 2 - screened measuring chamber; 3 - power supply; 4 - contacts from carbon paste; 5 - picoammeter
Schematic diagram of the installation is shown in Figure 5.1. The sample (1) is placed in a shielded chamber (2). The power supply (3) supplies a DC voltage to one of the electrodes (4). Fastening of electrodes to the sample is carried out with the help of carbon or silver contact paste. The electric current passes through the sample (1) to the second electrode (4), and then to the picoammeter (5), which shows the current strength in the circuit.
Thanks Madam for the guidance, it will definately help me. Science needs knowledge not english, jokes apart. Have a nice day
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