直流電阻箱產地:上海直流電阻器是電阻值可變的電阻量具。電阻器中使用的開關是密封的，不需要清洗、接觸壓力小、壽命長、變壓小。1.廣泛適合于工廠、學校和科研單位作測量和其他實驗之用。2.供直流電路中作精密調節電阻和作已知電阻值之用。3.可供整機校驗攜帶式直流單臂電橋及電阻溫度計等。型號-----------參數---------------ZX90:10m -111.10 ,0.1級ZX92:10m -1.111101k ,0.1級ZX95:10m -11.11110k ,0.1級ZX98:10m -111.11110k ,0.1級ZX93:0.1 -11.1110k ,0.1級ZX21:0.1 -99.9999k ,0.1級ZX21A:0.1 -111.1110k ,0.1級ZX96:0.1 -111.1110k ,0.1級ZX99:0.1 -1.1111110M ,0.1級ZX91: 1 -11.110k ,0.1級ZX94: 1 -111.110k ,0.1級ZX97: 1 -1.111110M ,0.1級ZX74: 1m -1.111210k ,0.01級ZX75:10m -11.11111k ,0.01級ZX25A:10m -11.11111k ,0.02級ZX54:10m -111.11111k ,0.01級ZX78:10m -111.1100k ,0.005級ZX76:0.1 -111.1110k ,0.01級ZX77: 1 -1.111110M ,0.05級ZX83: 10 -11.11110M ,0.05級