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Mass Ultra W/Cert 200G-1MG

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UltraClass - The weight tolerance is equal to ANSI/ASTM E617 Class 0 and exceeds OIML R 111 Class E2. This class is used as a reference standard for calibrating other reference standards and is appropriate for calibrating highprecision analytical balances with a readability as low as 0.01 mg.
  • UltraClass Tolerance = ASTM Class 0
  • UltraClass weights, 1 g through 5 kg, are made from exclusive Troemner Alloy 8 stainless steel


Lifting forceps or gloves to handle each weight in the set. Weights sets of 500 g and lower include a clear-top polycarbonate case. Weight sets where the largest weight is 1kg and above are supplied in a felt line oak case. All weights include noted docum


These weights are developed to meet the most demanding calibration needs with the ability to be adjusted. Consistent automated measurement means that Troemner UltraClass weights are the most precise two-piece weights available with weight tolerances that equal or exceed comparable ANSI/ASTM E617 Classes.

The weights are manufactured of the finest stainless steels available, including Troemner Alloy 8 Stainless Steel, which is available exclusively through Troemner. This unique material possesses closely controlled density (8.03 g/cm3), extremely low magnetic properties, good stability, and resistance to corrosion. Alloy 8 is the finest grade of stainless steel available and is similar to material originally specified in the manufacture of 1 kg state lab primary standards.

Weights are designed so the specifications on surface finish,markings, construction, material density, and magnetic properties become more restrictive as the weight tolerances
decrease in order to enable the weight to maintain its tolerance over time. These weights are designed for your most demanding weighing applications.

Suggested Markets for Analytical Precision Weights include, but are not limited to, pharmaceutical, biotech, nanotechnology, life science, forensic and nuclear industries.

Specifications & Description

  • Mass Class: UltraClass
  • Length (“): 15
  • Mass Certification: NVLAP
  • Contents of Set: 1 mg, two 2 mg, 5 mg, 10 mg, two 20 mg, 50 mg, 1 g, two 2 g, 5 g, 10 g, two 20 g, 50 g, 100 g, 200 g
  • Description: 200g-1 mg, Ultraclass Mass Set, NVLAP Accredited Certificate
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