High voltage measurements with Grand potrong and round are definitely reliable. By virtue of birth or brakes down between Sparky spherical metal placed in the air or gas.
Measuring the pressure with Gap sphere. The easy way And a certain trust Through the Sparks. Or breakdown of the metal sphere that is placed in the air or gas.
High voltage measurement with gap spherical method is simple and reliable by using absolute positions sparks. Or breakdown between the spherical metal is placed in the air or gas.