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分析测试百科网 > Fungilab > 密度计、密度仪 >  进口总代理GRADCO密度杯比重杯

进口总代理GRADCO密度杯比重杯

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参考报价: 面议 型号: GRADCO
品牌: Fungilab 产地: 美国
关注度: 32 信息完整度:
样本: 典型用户: 暂无
产地类别进口供应商性质生产商
测量原理浮力密度计应用场景实验室台式
行业应用通用密度计测量样品测固体样品
价格范围5万-10万
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  • Meet ASTM Methods of Test

  • Qualify Under ANSI/NCSL Z540-1 or

  • MIL-STD-45662A as Applicable

  • Conform to ISO 9000 When Ordered With Calibration Certification

Weight per Gallon Cups are used to quickly and accurately determine the weight per gallon, and also the specific gravity of paints, lacquer, pastes, semi-pastes, and other liquid or semi-liquid materials.

Until the middle of 1989, GARDCO weight per gallon cups were fabricated using Series 300 Stainless Steel for the sidewall and the easier machined but less corrosion resistant Series 400 Stainless Steel for the base and cover. Now, with the installation of state-of-the-art computer controlled metal cutting machinery, these cups are machined from Series 300 Stainless Steel solid bar stock.



Features

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  • All surfaces are produced to a surface finish better than 32 RMS.

  • Internal corners are rounded to a radius of no less than 0.188."

  • Volume tolerance is within ± 0.5% of correct theoretical value.

  • Volume certification qualifying under ANSI/NCSL Z540-1 or MIL-STD-45662A, as applicable, and conforming to ISO 9000 is available.

  • Tare weights are Series 300 Stainless Steel, adjusted to within 0.2 gram of cup weight and sized for air cushioning when dropped into the cup for storage.

 

Quality Control

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As a quality control check, errors in composition of a paint will usually be indicated by variations in the weight per gallon value. In normal use in the Paint Industry, many specifications will allow a tolerance of about 0.2 pounds per gallon. Any deviation that is larger than this would make the paint suspect regarding the proper amount of ingredients in the batch.

To check the actual capacity of your cup proceed as follows:
  1. Determine the weight of a clean cup in grams. As an alternative, the cup may be supplied with an accurate tare weight for use with two-pan laboratory balances. Note: Do not interchange tare weights between cups as each cup and tare weight is matched.

  2. Remove cover and fill to within 1.7mm of rim with material to be tested.

  3. Carefully replace cover so that the air and excess material is expelled through vent.

  4. Wipe over cover to remove surplus and reweigh. By subtracting the original weight of the cup, the weight of the contents will be found. If a tare weight was used at the start, the balance will show the weight of the contents. Clean thoroughly immediately after use.

  5. By comparing a water sample at a temperature listed in the chart below verification of cup accuracy can be determined.


TemperatureWeight



CFStandard
Grams
Mini
Grams
British/100cc
Grams
50cc
Grams
2169.883.2848.329

2271.683.2668.32799.99849.999
2373.483.2468.32599.97549.987
2475.283.2268.32399.95049.975
2577.083.2058.32199.92549.962
2678.883.1838.31999.89949.949
2780.683.1618.316




符合ASTM试验方法


符合ANSI/NCSL Z540-1或


MIL-STD-45662A(如适用)


订购时符合ISO9000标准,并附有校准证书


每加仑杯的重量用于快速准确地确定每加仑的重量,以及油漆、油漆、糊料、半糊料和其他液体或半液体材料的比重。


直到1989年年中,GARDCO每加仑的重量杯都是用300系列不锈钢制造的,侧壁用300系列不锈钢制造,底座和盖子用400系列不锈钢制造,更容易加工,但耐腐蚀性较低。现在,随着最先进的计算机控制金属切削机械的安装,这些杯子是由300系列不锈钢实心棒料加工而成。


特征


顶部


所有表面的表面光洁度均大于32 RMS。


内角圆角半径不小于0.188。”


体积公差在正确理论值的±0.5%范围内。


可提供符合ANSI/NCSL Z540-1或MIL-STD-45662A(如适用)并符合ISO 9000的批量认证。


皮重为300系列不锈钢,调整至杯重0.2克以内,并在放入杯中储存时提供空气缓冲。





质量控制


顶部


作为一种质量控制检查,油漆成分的误差通常由每加仑重量值的变化来表示。在油漆工业的正常使用中,许多规格允许公差约为每加仑0.2磅。任何大于此值的偏差都会使油漆怀疑批次中的适当成分含量。


要检查杯子的实际容量,请执行以下操作:


测定干净杯子的重量,单位为克。另一种方法是,杯子可以提供精确的皮重,与两个平底锅实验室天平一起使用。注意:不要在两个杯子之间交换皮重,因为每个杯子和皮重是匹配的。


取下盖子,用待测材料填充至轮辋1.7 mm范围内。


小心地更换盖,使空气和多余的材料通过通风口排出。


擦去盖子上的多余物并重新称重。减去杯子的原始重量,就可以找到里面东西的重量。如果在开始时使用皮重,天平将显示内容物的重量。使用后立即彻底清洁。


通过比较下表所列温度下的水样,可以确定水杯精度的验证。


进口总代理GRADCO密度杯比重杯信息由厦门元武电子科技有限公司为您提供,如您想了解更多关于 进口总代理GRADCO密度杯比重杯报价、型号、参数等信息,欢迎来电或留言咨询。

注:该产品未在中华人民共和国食品药品监督管理部门申请医疗器械注册和备案,不可用于临床诊断或治疗等相关用途

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