Class E1 Standard Calibration Weights (mg range)

• For testing and calibrating balances with precision of 1:1,000,000 (or better)
• For calibration in accordance with OIML R111 of E2‑class weights
• Mass and density certificates available on request: PTB (E1) or DKD (E2)
• mg‑denomination weights: choose Wire or Flat type (sets available in Wire type only)
• For individual purchases, accessories are sold separately (dust brush, tweezers, fork, handle, bell jar, gloves)
• Weight sets include gloves, brush, and tweezers

Individual weights (E1 class)

• Types and materials:
  • Wire type: stainless steel
  • Flat type: 1–5 mg aluminum; 10 mg and above stainless steel
• Denominations: 1 mg, 2 mg, 5 mg, 10 mg, 20 mg, 50 mg, 100 mg, 200 mg, 500 mg

Weight set (E1 class)

• 1 mg–500 mg, 12‑piece set, wire type only