RX7/N59十进电容箱
产品概述
RX7/N59十进电容箱是一款精密的旋钮式可调电容设备,专为需要高精度电容调节的电路设计而开发。该产品采用十进制步进调节机制,能够提供稳定且精确的电容值变化,适用于实验室、科研机构及工业领域的多种应用场景。其核心功能包括作为交流电桥的可变阻抗元件、滤波电路的容抗组件,以及电容表校正的参考器具。产品工作环境要求为空气温度+10℃至+35℃,相对湿度30%~80%,确保在常规实验条件下稳定运行。2710
技术特性
RX7/N59电容箱的最大容量为11.110μF,最小步进值为0.001μF(即1000pF),通过五组十进制旋钮实现精细调节。各组电容的精度分别为:1μF组±0.5%、0.1μF组±0.5%、0.01μF组±0.65%、0.001μF组±2%。产品采用优质介质材料,在800-1000Hz工作频率下电介质损耗角正切值低于行业平均水平,其中1μF组损耗值≤2.5×10⁻³。设备外形尺寸为262×205×130mm,重量约1.8kg,便于实验室台面放置和移动。71617
应用场景
该电容箱广泛应用于电子工程领域的精密测量与调试,特别适合作为高频交流电桥的可变容抗臂,或用于构建滤波移相电路。在教育领域,可用于演示电容特性实验及电路响应分析;在工业生产中,能协助校准检测设备。其宽范围可调特性(0~11.110μF)支持从皮法级到微法级的电容需求,满足不同场景下对电容精度的多样化要求。产品采用模块化设计,每组电容元件独立并联,通过旋转开关实现0-10的步进组合。5921
设计特点
产品采用机械式旋钮调节,每个十进制组件包含四个不同容量的精密电容元件,通过镀金触点确保接触可靠性。外壳采用金属屏蔽结构,有效减少外部电磁干扰。内部布局优化了信号路径,降低分布电容影响。面板标注清晰,包含容量刻度标识和旋转方向指示,便于快速操作。起始电容控制在≤110pF范围内,用户可通过校准消除零位误差。61822
English Product Description
The RX7/N59 Decade Capacitance Box is a precision rotary-switch adjustable capacitor unit designed for laboratory and industrial applications requiring accurate capacitance variation. This device features five-decade switching with a total range of 0-11.110μF and minimum step increment of 0.001μF (1000pF). The metal-enclosed construction provides electromagnetic shielding while the ergonomic knob design ensures smooth operation.
Key specifications include: 1μF section (±0.5% accuracy), 0.1μF section (±0.5%), 0.01μF section (±0.65%), and 0.001μF section (±2%). The unit operates optimally at 800-1000Hz frequency with low dissipation factor (tanδ≤2.5×10⁻³ for 1μF range). Typical applications include serving as variable reactance in AC bridges, filter network components, and calibration references.
The compact chassis (262×205×130mm) incorporates durable switch contacts and clear range markings. Each decade consists of parallel-connected precision capacitors activated by rotary switches, allowing 0-10 step combinations per section. The design minimizes stray capacitance and maintains stable performance within 10-35℃ temperature range at 30-80% relative humidity. 571016
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
|
RX7/00
|
十进
电容箱
250Vac
630Vdc
|
4
|
0~0.11110
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(0~10)×(0.00001+0.0001+0.001+0.01)
|
0.00001
|
0.65
|
1400
|
5-2
|
RX7/0
|
4
|
0~1.1110
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(0~10)×(0.0001+0.001+0.01+0.1)
|
0.0001
|
0.5
|
1100
|
5-3
|
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
|
950
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5-4
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RX7/2
|
2
|
0~1.10
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(0~10)×(0.01+0.1)
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0.01
|
0.5
|
850
|
5-5
|
RX7/3
|
2
|
0~0.110
|
(0~10)×(0.001+0.01)
|
0.001
|
0.65
|
850
|
5-6
|
RX7/4
|
1
|
0~1.0
|
(0~10)×0.1
|
0.1
|
0.5
|
520
|
5-7
|
RX7/5
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1
|
0~0.10
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(0~10)×0.01
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0.01
|
0.65
|
420
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5-8
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RX7/6
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1
|
0~0.010
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(0~10)×0.001
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0.001
|
2
|
520
|
5-9
|
RX7/N59
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4
|
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
|
1380
|
5-10
|
RX7/N5A
|
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
|
1530
|
5-11
|
FMBa
|
十进
电容箱
250Vac
630Vdc
|
3
|
0~11.10
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(0~10)×(0.01+0.1+1)
|
0.01
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5
|
1350
|
5-12
|
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
|
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
|
FMBf
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2
|
0~41
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(0~10)×(0.1+1)+10+20
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0.1
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5
|
1280
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5-17
|
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
|
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
|
5-19
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RX7/02
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2
|
0~110pF
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(0~10)×(1+10)pF
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1pF
|
5
|
2000
|
5-20
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RX7/03
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2
|
0~11100pF
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(0~10)×(10+100+1000)pF
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10pF
|
5
|
2050
|
5-21
|
RX7/112
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4
|
0~1111.0pF
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(0~10)×(0.1+1+10+100)pF
|
0.1pF
|
5
|
3600
|
5-22
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RX7/113
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4
|
0~11110 pF
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(0~10)×(1+10+100+1000)pF
|
1pF
|
1
|
3600
|
5-23
|
RX7/118
RX7/000
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宽程精密电容箱
250Vac
|
6
|
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
|
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)
|
0.1
|
0.5
|
4060
|
5-26
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RX7/N4A
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6
|
0~100
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(0~10)×(0.0001+0.001
+0.01+0.1+1+10)
|
0.0001
|
0.5
|
2980
|
5-27
|
RX7/200
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精密校表电容箱
250Vac
|
1
|
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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0.5
|
2000
|
5-29
|
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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0.5
|
2600
|
5-30
|
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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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
|
|
0~10μF
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(0~10)×1
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1
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0.5
|
660
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5-32
|
YX27002
|
1
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3.3,3.5,4.5,5,6.6,7.5,8,10,15,20
|
——
|
1
|
880
|
5-33
|
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
|
——
0.01nF
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0.1
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1150
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