【𝐒𝐂𝐎𝐏𝐄 𝐎𝐅 𝐀𝐏𝐏𝐋𝐈𝐂𝐀𝐓𝐈𝐎𝐍】The ZX21 rotary resistance decade box which has low zero resistance ,is used to adjust resistance in DC circuit. This equipment is commonly used in laboratories for schools, factories and scientific research units.
【𝐑𝐄𝐒𝐈𝐒𝐓𝐀𝐍𝐂𝐄 𝐑𝐀𝐍𝐆𝐄】The decade box is use for precision resistance experiment.0.1R to 99.9999kR
【𝐀𝐏𝐏𝐋𝐈𝐂𝐀𝐁𝐋𝐄 𝐄𝐍𝐕𝐈𝐑𝐎𝐍𝐌𝐄𝐍𝐓】The temperature of the air around should be +10 °C ~+35 °C and the relative humidity 30~80% when it is used .
【𝐖𝐀𝐑𝐌 𝐑𝐄𝐌𝐈𝐍𝐃𝐄𝐑】Please rotate each button first when you use the resistance box to to confirm the contacting of the internal resistance is stability and reliability. Description: It is use for precision resistance experiment.0.1R to 99.9999kR