Calibration Weights

OIML Calibration Weight Sets

Calibration Weight Sets Adjusted to Meet or Exceed OIML Class E1, E2, F1, and F2 Tolerances
Troemner OIML Calibration Weight Sets offer the tightest tolerances, lowest uncertainties, and all surfaces are polished to a perfect finish to meet or exceed OIML R 111 tolerance and design restrictions. OIML Class E1, E2, F1, and F2 calibration weights are manufactured from high grade stainless steels including Troemner Alloy 8 which possesses closely controlled density, low magnetic susceptibility, and corrosion resistance.
OIML Calibration Weight Sets Features
OIML E1-E2 and F1-F2 offer high accuracy with tight tolerances and guaranteed uncertainties as low as 1/100 of the tolerance. Weight surfaces meet or exceed OIML R 111and have a highly polished finish
Available in high grade stainless steels including Troemner Alloy 8 which possesses closely controlled density, extremely low magnetic properties, good stability, and resistance to corrosion.
Available with certificate options traceable to NIST including ISO/IEC 17025 Accredited Certificate or Traceable Certificate to aid in meeting SOP and regulatory requirements.
OIML Calibration Weight Sets Models
Certificate

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OIML Class



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Weight Set Range


























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Set Capacity














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Set Total Pieces























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Protective Case
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Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
500 mg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
500 mg - 1 mg
Certificate
No Certificate
OIML Class
F1
Weight Set Range
500 mg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
500 mg - 1 mg
Certificate
No Certificate
OIML Class
F2
Weight Set Range
500 mg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
500 mg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
5 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
5 g - 1 mg
Certificate
No Certificate
OIML Class
F1
Weight Set Range
5 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
5 g - 1 mg
Certificate
No Certificate
OIML Class
F2
Weight Set Range
5 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
5 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
50 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
50 g - 1 mg
Certificate
No Certificate
OIML Class
F1
Weight Set Range
50 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
50 g - 1 mg
Certificate
No Certificate
OIML Class
F2
Weight Set Range
50 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
50 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
100 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
100 g - 1 mg
Certificate
No Certificate
OIML Class
F1
Weight Set Range
100 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
100 g - 1 mg
Certificate
No Certificate
OIML Class
F2
Weight Set Range
100 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
100 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
200 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
200 g - 1 mg
Certificate
No Certificate
OIML Class
F1
Weight Set Range
200 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
200 g - 1 mg
Certificate
No Certificate
OIML Class
F2
Weight Set Range
200 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
200 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
(2) 200 g - 1 mg
Certificate
No Certificate
OIML Class
F1
Weight Set Range
(2) 200 g - 1 mg
Certificate
No Certificate
OIML Class
F2
Weight Set Range
(2) 200 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
(2) 200 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
500 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
500 g - 1 mg
Certificate
No Certificate
OIML Class
F1
Weight Set Range
500 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
500 g - 1 mg
Certificate
No Certificate
OIML Class
F2
Weight Set Range
500 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
500 g - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
1 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
1 kg - 1 mg
Certificate
No Certificate
OIML Class
F1
Weight Set Range
1 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
1 kg - 1 mg
Certificate
No Certificate
OIML Class
F2
Weight Set Range
1 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
1 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
2 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
2 kg - 1 mg
Certificate
No Certificate
OIML Class
F1
Weight Set Range
2 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
2 kg - 1 mg
Certificate
No Certificate
OIML Class
F2
Weight Set Range
2 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
2 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
(2) 2 kg - 1 mg
Certificate
No Certificate
OIML Class
F1
Weight Set Range
(2) 2 kg - 1 mg
Certificate
No Certificate
OIML Class
F2
Weight Set Range
(2) 2 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
(2) 2 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
5 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
5 kg - 1 mg
Certificate
No Certificate
OIML Class
F1
Weight Set Range
5 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
5 kg - 1 mg
Certificate
No Certificate
OIML Class
F2
Weight Set Range
5 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
5 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
10 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
10 kg - 1 mg
Certificate
No Certificate
OIML Class
F1
Weight Set Range
10 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
10 kg - 1 mg
Certificate
No Certificate
OIML Class
F2
Weight Set Range
10 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
10 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
20 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
20 kg - 1 mg
Certificate
No Certificate
OIML Class
F1
Weight Set Range
20 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
20 kg - 1 mg
Certificate
No Certificate
OIML Class
F2
Weight Set Range
20 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
20 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
50 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
50 kg - 1 mg
Certificate
No Certificate
OIML Class
F1
Weight Set Range
50 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
50 kg - 1 mg
Certificate
No Certificate
OIML Class
F2
Weight Set Range
50 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
50 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
50 g - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
50 g - 1 g
Certificate
No Certificate
OIML Class
F1
Weight Set Range
50 g - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
50 g - 1 g
Certificate
No Certificate
OIML Class
F2
Weight Set Range
50 g - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
50 g - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
100 g - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
100 g - 1 g
Certificate
No Certificate
OIML Class
F1
Weight Set Range
100 g - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
100 g - 1 g
Certificate
No Certificate
OIML Class
F2
Weight Set Range
100 g - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
100 g - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
200 g - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
200 g - 1 g
Certificate
No Certificate
OIML Class
F1
Weight Set Range
200 g - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
200 g - 1 g
Certificate
No Certificate
OIML Class
F2
Weight Set Range
200 g - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
200 g - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
(2) 200 g - 1 g
Certificate
No Certificate
OIML Class
F1
Weight Set Range
(2) 200 g - 1 g
Certificate
No Certificate
OIML Class
F2
Weight Set Range
(2) 200 g - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
(2) 200 g - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
500 g - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
500 g - 1 g
Certificate
No Certificate
OIML Class
F1
Weight Set Range
500 g - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
500 g - 1 g
Certificate
No Certificate
OIML Class
F2
Weight Set Range
500 g - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
500 g - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
1 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
1 kg - 1 g
Certificate
No Certificate
OIML Class
F1
Weight Set Range
1 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
1 kg - 1 g
Certificate
No Certificate
OIML Class
F2
Weight Set Range
1 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
1 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
2 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
2 kg - 1 g
Certificate
No Certificate
OIML Class
F1
Weight Set Range
2 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
2 kg - 1 g
Certificate
No Certificate
OIML Class
F2
Weight Set Range
2 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
2 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
(2) 2 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
(2) 2 kg - 1 g
Certificate
No Certificate
OIML Class
F1
Weight Set Range
(2) 2 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
(2) 2 kg - 1 g
Certificate
No Certificate
OIML Class
F2
Weight Set Range
(2) 2 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
(2) 2 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
5 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
5 kg - 1 g
Certificate
No Certificate
OIML Class
F1
Weight Set Range
5 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
5 kg - 1 g
Certificate
No Certificate
OIML Class
F2
Weight Set Range
5 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
5 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
10 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
10 kg - 1 g
Certificate
No Certificate
OIML Class
F1
Weight Set Range
10 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
10 kg - 1 g
Certificate
No Certificate
OIML Class
F2
Weight Set Range
10 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
10 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
20 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
20 kg - 1 g
Certificate
No Certificate
OIML Class
F1
Weight Set Range
20 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
20 kg - 1 g
Certificate
No Certificate
OIML Class
F2
Weight Set Range
20 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
20 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
50 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
50 kg - 1 g
Certificate
No Certificate
OIML Class
F1
Weight Set Range
50 kg - 1 mg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
50 kg - 1 g
Certificate
No Certificate
OIML Class
F2
Weight Set Range
50 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
50 kg - 1 g
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E1
Weight Set Range
5 kg - 1 kg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
E2
Weight Set Range
5 kg - 1 kg
Certificate
No Certificate
OIML Class
F1
Weight Set Range
5 kg - 1 kg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F1
Weight Set Range
5 kg - 1 kg
Certificate
No Certificate
OIML Class
F2
Weight Set Range
5 kg - 1 kg
Certificate
ISO/IEC 17025 Accredited Certificate
OIML Class
F2
Weight Set Range
5 kg - 1 kg
OIML Calibration Weight Sets Product Details
Applications
Use OIML E1 as a primary reference to calibrate other mass standards and use for traceability between national mass standards and OIML E2 weights and lower. OIML E1 is appropriate for calibrating high-precision balances with a readability as low as 0.1 mg.
Display
N/A
Operation
N/A
Communication
N/A
Construction
Weights 1 g and above are two-piece. Weights 500 mg and below are one-piece. Weights 50 kg to 1 kg are Troemner Alloy 8 or 316 Stainless Steel. Weights 500 g to 1 g are Troemner Alloy 8. Weights ≤500 mg are 303 Stainless Steel, 304 Stainless Steel or Aluminum.
Design Features
Weights 1g - 50kg have a tapered neck allowing easy handling, polished mirror-like finish allowing scratches or foreign matter to be seen, and bottom of weights are recessed to reduce wear. mg weights are flat with one end turned up for easy handling.
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