(973) 661-7090 Calibration, Weighing, & Instrument Solutions

Buy Calibration Weights

We offer ASTM and OIML high precision weights and calibration weight sets of all nominal values and classes. High polished finishes and high-grade stainless steel with very low magnetic susceptibility provide stable, reliable measurements. All precision weights meet the surface and construction requirements of ASTM E 617. Protective carrying cases and necessary handling equipment are always included.

  • Precision ASTM Individual Weights from 30kg down to 0.5mg
  • Standard ASTM 200g-1mg, 100g-1mg, 100mg-10mg, 100g-1g Analytical & Micro Sets
  • Customizable Weight Sets with just the Weights You Need
  • Precision Individual OIML 20kg down to 1mg
  • Standard OIML 200g-1mg, 100g-1mg, 100g-10mg, 100g-1g Analytical & Micro Sets

Which Accuracy Class best fits your requirements?

Micro and Ultra Micro Balance = ASTM Class 0
Analytical Balances = ASTM Classes 1, 2 & OIML Class E2
For Top Loading Balances = ASTM Classes 3, 4 & OIML Classes F1, F2


Fill out the form below and submit it to order precision weights.

We will contact you to confirm you order and explain the details.

  • Weight Sets

  • Individual Precision Weights

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