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  • Rice Lake Stainless Steel Precision Calibration Weight Kit, ASTM Class 1, 500mg Mass
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Rice Lake Stainless Steel Precision Calibration Weight Kit, ASTM Class 1, 500mg Mass


List Price: $60.00
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Specifications for this item
Brand Name Rice Lake
Part Number 80458
Material Type Stainless Steel
Number of Items 1
Size 500mg Mass, ASTM Class 1
System of Measurement Metric
UNSPSC Code 41111505

Rice Lake 500mg American Society for Testing and Materials (ASTM) Class 1 p... Read full product description



Product Features

  • 500mg ASTM Class 1 precision calibration weight set for calibrating other weights, or electronic balances and scales
  • Stainless steel construction for stability, resistance to corrosion, and low magnetic susceptibility
  • Meets American Society for Testing and Materials (ASTM) E617, Class 1 specification for use as a reference standard for calibrating other weights and high-precision balances with readabilities as low as 0.1mg to 0.01mg
  • Includes 500mg leaf weight and protective storage case

Product Details


Product Description

Rice Lake 500mg American Society for Testing and Materials (ASTM) Class 1 precision calibration weight for calibrating other weights, or electronic balances and scales. The weight is constructed of stainless steel for stability, resistance to corrosion, and low magnetic susceptibility. The set includes a 500mg leaf weight and a protective storage case. The weight meets ASTM E617, Class 1 specification for use as a reference standard for calibrating other weights and high-precision balances with readabilities as low as 0.1mg to 0.01mg.

Calibration weights are used to measure the weight or mass of an object using a balance or scale, or to calibrate other weights or instruments. Calibration weights can be certified or uncertified. Certified weights meet strict guidelines for accuracy and can usually be recertified. Certified weights are used in labs where a high degree of accuracy and repeatability is required. Uncertified weights are used where a lower degree of accuracy is required, including student laboratories, rough weighting operations, and measuring force. Hooked and slotted weights are often used to measure pressure, torque, and tensile strength, and to demonstrate basic laws of physics. Calibration weights differ from lab weights, which are general purpose weights used to hold an object in place, similar to a paperweight.

Science education products incorporate applied math and science principles into classroom projects. Teachers in pre-K, elementary, and secondary classrooms use science education kits and products alongside science, technology, engineering, and math (STEM) curriculum to demonstrate STEM concepts and real-world applications through hands-on activities. Science education projects include a broad range of activities, such as practical experiments in engineering, aeronautics, robotics, energy, chemistry, physics, biology, and geology.

Rice Lake Weighing Systems manufactures weight-related and process-control equipment for use in research, scientific, and quality control labs. The company, which was founded in 1946 and is headquartered in Rice Lake, WI, meets International Organization for Standardization (ISO) 9001:2008 standards, and is accredited by the National Voluntary Laboratory Accreditation Program (NVLAP) to ISO/IEC 17025:2005.

What’s in the Box?
  • 500mg leaf weight
  • Protective storage box

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