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OIML M1 Platelet Test Weights – 1 mg to 500 mg

These precision OIML M1 stainless steel platelet weights are designed for accurate calibration of analytical and precision balances. Available individually in nine values—1 mg, 2 mg, 5 mg, 10 mg, 100 mg, 200 mg, 500 mg—they offer flexible, high-accuracy solutions for replacing missing weights or spot-checking performance.


Key Features

  • M1 Accuracy: Precisely manufactured with tight OIML tolerance for reliable calibration
  • Platelet Design: Flat, low-profile form ideal for compact balance pans
  • Polished Stainless Steel: Clean, corrosion-resistant finish for longevity
  • Sold Individually: Great for supplementing existing weight sets
  • Made in Germany: Crafted by KERN to strict quality standards

Available Individual Platelet Weights

Model Nominal Mass Tolerance (±)
348‑01 1 mg 0.2 mg
348‑02 2 mg 0.2 mg
348‑03 5 mg 0.2 mg
348‑04 10 mg 0.25 mg
348‑07 100 mg 0.5 mg
348‑08 200 mg 0.6 mg
348‑09 500 mg 0.8 mg

Technical Details & Usage

  • Shape: Platelet (flat) for stable centre-of-gravity placement
  • Material: Polished stainless steel, easy to clean
  • OIML Class M1: Certified high-precision standard
  • Individual Sale: Weight only—recommend adding a small protective box
  • Applications: Calibration labs, quality assurance, education, analytical weighing
Kern M1 Individual Milligram Weights
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