RX7/4十进电容箱(多值可调)
RX7/4十进电容箱产品介绍（中文）
RX7/4十进电容箱是一种精密的旋钮式可调电容设备，适用于交流电路中作为可变标准电容器或电桥的可变桥臂。该产品采用十进制设计，容量范围为0-1μF，通过(0-10)×0.1μF的组合方式实现精确调节，最小步进值为0.1μF。在10KHz以下的交流电路中，可作为精密电容元件使用，广泛应用于滤波、振荡电路以及阻抗匹配等场景。产品采用优质材料制造，具有损耗角正切值小的特点，在1μF容量时损耗角正切值小于0.005。工作频率范围覆盖50Hz至1500Hz，额定工作电压为250V交流有效值，直流耐压可达630V。外形尺寸为448W174D133H毫米，重量约4.7公斤，便于实验室和工业现场使用。135
RX7/4 Decade Capacitance Box Product Introduction (English)
The RX7/4 decade capacitance box is a precision rotary-switch adjustable capacitor device designed for use in AC circuits as a variable standard capacitor or bridge arm. With a capacitance range of 0-1μF achieved through (0-10)×0.1μF combination, it provides precise adjustment with minimum step value of 0.1μF. This instrument serves as an accurate capacitive component in AC circuits below 10KHz, widely applied in filtering, oscillation circuits and impedance matching applications. Manufactured with high-quality materials, it features low loss tangent (tanδ <0.005 at 1μF). The operational frequency ranges from 50Hz to 1500Hz, with rated working voltage of 250V AC RMS and DC withstand voltage up to 630V. The compact dimensions of 448W174D133H mm and 4.7kg weight make it suitable for both laboratory and industrial applications.11220
产品特点与优势（中文）
该电容箱采用机械式十进制旋钮设计，操作简便直观，每个档位均可独立调节，实现电容值的线性变化。产品具有较高的稳定性，在环境温度20±5℃、相对湿度30%-80%条件下能保持良好性能。内部采用特殊工艺处理的电容元件，具备自恢复特性，即使遭遇瞬间高压击穿也不会永久损坏。电容箱的接触电阻小，可减少测量误差，适用于高校电工实验、科研院所计量测试等场景。产品提供多种容量规格可选，用户可根据实际需求选择不同型号，满足从精密测量到常规实验的各种要求。161822
Features and Advantages (English)
Featuring mechanical decade knob design, this capacitance box offers intuitive operation with independent adjustment for each range, enabling linear capacitance variation. It demonstrates excellent stability, maintaining reliable performance under ambient temperature of 20±5℃ and relative humidity of 30%-80%. The specially processed capacitor elements inside possess self-recovery characteristics, preventing permanent damage from transient voltage breakdown. With low contact resistance to minimize measurement errors, it s ideal for electrical engineering experiments in universities and metrological tests in research institutes. Multiple capacitance specifications are available to meet diverse requirements from precision measurement to routine experiments.131723
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十 进 电 容 箱(多值可调)
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序号
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型号
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额定工作电压 |
开关数
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容量范围μF
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开关变化组合μF
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小步进值μF
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准确度
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出厂价￥
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5-1
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RX7/00
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十进
电容箱
250Vac
630Vdc
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4
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0～0.11110
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(0～10)×(0.00001+0.0001+0.001+0.01)
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0.00001
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0.65
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1400
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5-2
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RX7/0
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4
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0～1.1110
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(0～10)×(0.0001+0.001+0.01+0.1)
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0.0001
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0.5
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1100
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5-3
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RX7/1
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3
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0～1.110
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(0～10)×(0.001+0.01+0.1)
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0.001
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0.5
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950
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5-4
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RX7/2
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2
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0～1.10
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(0～10)×(0.01+0.1)
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0.01
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0.5
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850
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5-5
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RX7/3
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2
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0～0.110
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(0～10)×(0.001+0.01)
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0.001
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0.65
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850
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5-6
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RX7/4
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1
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0～1.0
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(0～10)×0.1
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0.1
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0.5
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520
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5-7
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RX7/5
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1
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0～0.10
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(0～10)×0.01
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0.01
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0.65
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420
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5-8
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RX7/6
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1
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0～0.010
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(0～10)×0.001
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0.001
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2
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520
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5-9
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RX7/N59
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4
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0～11.110
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(0～10)×(0.001+0.01+0.1+1)
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0.001
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0.5
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1380
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5-10
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RX7/N5A
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5
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0～11.1110
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(0～10)×(0.0001+0.001+0.01+0.1+1)
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0.0001
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0.5
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1530
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5-11
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FMBa
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十进
电容箱
250Vac
630Vdc
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3
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0～11.10
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(0～10)×(0.01+0.1+1)
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0.01
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5
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1350
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5-12
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FMBb
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2
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0～11.0
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(0～10)×(0.1+1)
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0.1
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5
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1100
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5-13
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FMBc
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3
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0～111.0
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(0～10)×(0.1+1+10)
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0.1
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5
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1550
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5-14
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FMBd
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2
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0～110
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(0～10)×(1+10)
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1
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5
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1450
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5-15
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FMBe
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2
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0～22
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(0～10)×(0.1+1)+11
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0.1
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5
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1180
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5-16
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FMBf
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2
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0～41
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(0～10)×(0.1+1)+10+20
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0.1
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5
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1280
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5-17
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FMBch
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400Vac
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3
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0～111.0
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(0～10)×(0.1+1+10)
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0.1
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5
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1860
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5-18
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RX7/01
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精密皮法电容箱
250Vac
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3
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0～111.0pF
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(0～10)×(0.1+1+10)pF
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0.1pF
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5
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3200
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5-19
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RX7/02
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2
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0～110pF
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(0～10)×(1+10)pF
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1pF
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5
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2000
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5-20
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RX7/03
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2
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0～11100pF
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(0～10)×(10+100+1000)pF
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10pF
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5
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2050
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5-21
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RX7/112
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4
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0～1111.0pF
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(0～10)×(0.1+1+10+100)pF
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0.1pF
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5
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3600
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5-22
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RX7/113
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4
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0～11110 pF
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(0～10)×(1+10+100+1000)pF
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1pF
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1
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3600
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5-23
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RX7/118
RX7/000
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宽程精密电容箱
250Vac
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6
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0～1000
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(0～10)×(0.001+0.01
+0.1+1+10+100)
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0.001
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0.5
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4560
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5-24
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RX7/N34
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2
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0～2000
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(0～10)×100+1000
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100
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0.5
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4960
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5-25
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RX7/N37
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4
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0～1000
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(0～10)×(0.1+1+10+100)
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0.1
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0.5
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4060
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5-26
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RX7/N4A
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6
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0～100
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(0～10)×(0.0001+0.001
+0.01+0.1+1+10)
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0.0001
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0.5
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2980
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5-27
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RX7/200
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精密校表电容箱
250Vac
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1
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0～200
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(0～10)×10+100
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10
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0.5
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3150
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5-28
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FM-C1555
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1×7
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0.00015，0.0015，0.015，0.15，1.5，15，150
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——
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0.5
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2000
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5-29
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FM-C1999
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1×7
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0.00019，0.0019，0.019，0.19，1.9，19，190
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——
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0.5
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2600
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5-30
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FM-RX7-618
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宽程校表
电容箱
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1×8
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0.01, 0.1, 1, 10, 100, 1000,2000, 6000
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——
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0.3
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25000
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5-31
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BC05
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电容箱
250Vac
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0～10μF
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(0～10)×1
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1
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0.5
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660
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5-32
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YX27002
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1
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3.3，3.5，4.5，5，6.6，7.5，8，10，15，20
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——
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1
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880
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5-33
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ZXB01
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倍率补偿阻容箱
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2
3
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倍率(二盘独立)：2×(100～30k)Ω；
补偿(三盘步进)：0～11.10nF
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——
0.01nF
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0.1
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1150
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