Serhii Onatskiy
UKRAINE • + Follow
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High-voltage, high-impedance voltmeter "Mikron-Giga-Volt"
In my practice, I very often come across the task of measuring high-voltage low-current circuits. As a rule, I use transducers designed for very low consumption currents in dosimeters and power supplies for PMTs. As a result, it is impossible to measure them by classical methods using multimeters with an input resistance of 1 or 10 megohms, they create a significant load on the measured circuit and a voltage drop appears, which means that the measurement is made with an error, sometimes significant.
To solve this problem, I developed a simple voltmeter with an input resistance of 5 GigaOhm, and a maximum measured voltage of 2.5 kV.
Feb 19,2021
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High-voltage, high-impedance voltmeter "Mikron-Giga-Volt"
2 Layers PCB 45 x 23 mm FR-4, 1.6 mm, 1, HASL with lead, Black Solder Mask, White silkscreen
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Published: Feb 19,2021
Download Gerber file 20
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