BC7-1饱和标准电池/BC71
BC7-1饱和标准电池产品概述
BC7-1饱和标准电池是一种高精度电动势参考源，广泛应用于电压校准、精密仪器配套及实验室测量领域。其正极采用硫酸亚汞/汞电极，负极为镉汞齐，电解液为硫酸镉饱和水溶液，确保电动势长期稳定性。该电池在1.01855～1.01868V范围内提供精确电压输出，年变化量小于100μV，适应温度变化后能快速恢复性能。设计上注重防震动、防侧放，建议在平稳环境中使用以延长寿命。产品外形尺寸为96×24×24mm，便于集成到便携式仪器中，如直流电位差计、数字电压表等。1515
BC7-1 Saturated Standard Cell Product Introduction
The BC7-1 saturated standard cell is a high-precision electromotive force reference device, designed for voltage calibration and scientific instrumentation. It features a mercurous sulfate/mercury positive electrode and cadmium amalgam negative electrode, with saturated cadmium sulfate electrolyte to maintain stable output. The cell delivers a consistent voltage range of 1.01855–1.01868V, with minimal annual drift (<100μV) and robust performance under thermal or mechanical stress. Its compact dimensions (96×24×24mm) suit portable applications like digital voltmeters and recording systems. To preserve accuracy, avoid tilting or vibration during operation. The product is ideal for laboratories requiring reliable voltage benchmarks without frequent recalibration.1175
核心技术与性能特点
BC7-1采用饱和式结构设计，电解液中保留过量硫酸镉晶体以确保全温区饱和状态，从而降低温度系数影响。电池内阻约700Ω，随使用时间可能轻微增加。其正面无栅线遮挡的设计优化了空间利用率，同时避免光能损失。产品通过严格工艺控制实现0.01级准确度，适合高精度场景如自动记录仪器或恒压源配套。注意事项包括避免倒置、剧烈震动及高温环境存储。2615
Technical Advantages and Applications
The BC7-1 utilizes a back-contact design that eliminates front-side grid shading, maximizing photon utilization efficiency. With an initial internal resistance of ~700Ω and low temperature hysteresis, it ensures reliable performance across varied environments. The cell’s 0.01-grade accuracy supports demanding applications such as potentiometric measurements and stable power supply calibration. Its sealed construction prevents electrolyte leakage, while the anti-shock design enhances durability. Recommended for academic research, industrial testing, and precision electronics development where voltage reference consistency is critical.5217
市场定位与兼容性
作为上海双旭电子有限公司的成熟产品，BC7-1以高性价比满足科研与工业需求，可适配多种直流仪器。其便携式设计便于现场检测，同时与不饱和标准电池（如BC24）形成互补，覆盖不同温漂要求的场景。用户可根据实际需求选择配套电池组（如BC11高精度系列）以扩展应用范围。468
Market Positioning and Adaptability
Manufactured by specialized electronic suppliers, the BC7-1 balances cost and performance for global markets. It complements unsaturated cells (e.g., BC24) in applications requiring minimal temperature coefficient variations. The product line offers flexibility through compatible battery sets (e.g., BC11 series) for multi-channel systems. Its universal interface design simplifies integration with international equipment standards, making it a versatile choice for cross-border collaborative projects.4815
BC7-1饱和标准电池
的详细介绍BC7-1饱和标准电池/BC71
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序号
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型号
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产 品 名 称
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测 量 范 围
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准确度
等级
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出厂价￥
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9-1
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BC9a
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饱和标准电池
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1.01855～1.01868
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0.005
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240
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9-2
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BC2
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饱和标准电池
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1.01855～1.01868
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0.005
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320
|
|
9-3
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BC3
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饱和标准电池
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1.01855～1.01868
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0.005
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320
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9-4
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BC7-1
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便携式为饱和标准电池
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1.01855～1.01868
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0.01
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120
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9-5
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BC5-2
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便携式为饱和标准电池
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1.01880～1.01930
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0.01
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117
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9-6
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BC24
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便携式不饱和标准电池
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1.01880～1.01930
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0.01
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105
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9-7
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BC11
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高精度电池组
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1.01890～1.018680
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0.0005
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4800
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9-8
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BC11a
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高精度基准电池组(10只装)
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1.01890～1.018680
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0.0005
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8600
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