適用于工廠、學校和科研單位作精密測量及精密交/直流電阻標準。
It is suitable to be used as precise measuring standard and precise AC/DC resistance standard for factories, colleges, and research institutes.
測試頻率上限(kHz) Measuring frequency upper limit 2 10 20 50 100 100
Measuring frequency upper limit(kHz) 2 10 20 50 100
最大允許誤差*Maximum permissible error ±0.02% ±0.1%
Maximum permissible error ±0.02% ±0.1%
年變化Annual variation ±0.01% ±0.05%
Annual variation ±0.01% ±0.05%
*:電阻箱的工作頻率等于或低于測試頻率上限時的最大允許誤差。
The working frequency is equal to or less than the permissible error limit of measurement frequency of the resistance box..