实验室平衡的用途
实验室平衡和秤are offered in a variety of designs to measure sample mass, density, and moisture content of solids, liquids, and powders. While a scale determines the mass of a sample, a balance is designed to compare the mass of multiple samples. Balances and scales are offered in several configurations: analytical, precision, top-loading, front-loading, high-capacity and moisture analysis.
实验室中使用了哪些类型的余额？
某些余额提供了其他功能，例如数据可追溯性（适用于21CFR第11部分的合规性），与外部设备（例如打印机，计算机或条形码读取器），移液器校准和样品保护（例如草稿屏蔽）进行安装进入层流罩或ISO级的洁净室。
A - Balance Type
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A1-分析平衡
分析balances对于大多数标准实验室称重操作，例如密度确定，比较质量分析和动态称重是最佳的。分析余额测量样品至非常紧密的公差，可恢复到0.0001克。由于分析尺度对空气电流和温度变化很敏感，因此大多数模型都包含屏蔽率，以维持受控的测量环境。
A2 - Precision Balances
精确balances是分析平衡的经济替代方法。虽然精密量表比分析模型支持更高的重量能力，但它们不会产生相似的公差（降低到0.001克）。精确量表在体验温度和湿度波动的环境中产生稳定的读数。
A3 - High-Capacity Balances
High-capacity balances旨在在生产环境中称重散装粉末，动物和重型储物容器。尽管分析和精度平衡分别适合300克和600克的重量负荷，但高容量平衡可以测量最高34,000克的负载。
A4 - Micro Balances
微生物旨在以行业领先的公差（降至0.0000001克）来称重少量样品（最多6克）。微生物对大气条件的变化极为敏感，需要半年度重新校准。
B-缩放和平衡权衡能力
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Laboratory balancesoffer a broad range of weighing capacities, from ultra-micro scales designed to measure down to the milligram and microgram levels, to high-capacity balances capable of measuring weights up to 34,000 grams. Electronic scales provide readouts in dozens of different units, including grams, milligrams, kilograms, pounds, ounces and grains.
C-平衡称重锅大小
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实验室平衡和尺度包括称重锅，以适应各种样本类型，包括粉末，液体，固体和活生物体。较小的圆形平底锅最适合称量低量的水性样品或粉末，而较大的方形平底锅非常适合称重固体或皮革容器（例如重量桶）。
D - Balancing Loading and Format
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D1 - Front-Loading Balances
Front-loading balances include draft shields to protect the sample from air movement and temperature fluctuations. Ionizer draft shields dissipate static charges to protect fine powders from aggregating to draft shield walls.
D2 - Top-Loading Balances
顶部负载余额的设计没有草稿盾牌，可以轻松访问称重盘。顶部量表对于称重笨重的固体，动物或大型容器，需要未能进入称重锅。
F - Application-Specific Features
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F1 - Balance Draft Shields
Sartorius Modular Cubis II微晶金平衡可配玻璃或不锈钢屏蔽罩。草稿盾牌可为精细粉末或对气流或静态电荷敏感的水性样品提供保护。普通的草稿盾牌可从前，顶部和侧面进入称重盘。
F2 -LIMS集成
Sartorius Quintixbalances offer data export programs compatible with a variety of software packages, including Microsoft Office and LIMS (Laboratory Information Management System), to support sample lot traceability, workflow efficiency, and event reporting.
F3 - Auto Calibration of Balances
Sartorius Securaand Quintix balances include isoCAL software to support automatic or user-determined instrument recalibration routines at monthly intervals or after balance relocation.
F4 - USP Compliance
Sartorius Cubis II(PDF), Quintix, and Secura balances automatically log all recorded measurements for daily export and review per USP <797> and <800> guidelines.
F5 - 21CFR Part 11 Compliance
The Sartorius Cubis IIbalance includes end-to-end data integrity, safe data transfer, electronic signatures for controlled data access, and audit trailing for 21CFR Part 11 compliance.
网上购物：小熊二世超微小and Microbalances by Sartorius
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