Reference Weights and Mass Standards

ASTM Reference Calibration Weight Sets

Reference Calibration Weight Sets and Mass Standards Adjusted to Troemner UltraClass Tolerances
ASTM Reference Calibration Weight Sets
ASTM Reference Calibration Weight Sets Features
Troemner UltraClass offers high accuracy with tight tolerances and uncertainties of less than 1/4 of the tolerance. Weight surfaces meet or exceed ASTM and 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.
ASTM Reference Calibration Weight Sets Models
Calibration Certificate
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ASTM 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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Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
500 mg - 1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
500 mg - 1 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
500 mg - 1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
2 g - 1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
5 g - 1 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
20 g - 1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
20 g - 1 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
20 g - 1 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
50 g - 1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
50 g - 1 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
50 g - 1 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
100 g - 1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
100 g - 1 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
100 g - 1 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
200 g - 1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
200 g - 1 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
200 g - 1 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
(2) 200 g - 1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
(2) 200 g - 1 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
(2) 200 g - 1 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
500 g - 1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
500 g - 1 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
500 g - 1 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
1 kg - 1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
1 kg - 1 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
1 kg - 1 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
2 kg - 1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
2 kg - 1 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
2 kg - 1 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
(2) 2 kg - 1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
(2) 2 kg - 1 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
(2) 2 kg - 1 mg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
5 kg - 1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
5 kg - 1 mg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
5 kg - 1 mg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
10 kg - 1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
10 kg - 1 mg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
10 kg - 1 mg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
20 kg - 1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
20 kg - 1 mg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
20 kg - 1 mg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
25 kg - 1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
25 kg - 1 mg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
25 kg - 1 mg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
30 kg - 1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
30 kg - 1 mg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
30 kg - 1 mg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
50 kg - 1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
50 kg - 1 mg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
50 kg - 1 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
20 g - 5 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
20 g - 5 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
20 g - 5 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
50 g - 5 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
50 g - 5 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
50 g - 5 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
100 g - 5 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
100 g - 5 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
100 g - 5 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
20 g - 10 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
20 g - 10 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
20 g - 10 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
50 g - 10 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
50 g - 10 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
50 g - 10 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
100 g - 10 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
100 g - 10 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
100 g - 10 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
500 mg - 10 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
500 mg - 10 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
500 mg - 10 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
20 g - 100 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
20 g - 100 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
20 g - 100 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
50 g - 100 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
50 g - 100 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
50 g - 100 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
100 g - 100 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
100 g - 100 mg
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
100 g - 100 mg
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
20 g - 1 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
20 g - 1 g
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
20 g - 1 g
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
50 g - 1 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
50 g - 1 g
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
50 g - 1 g
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
100 g - 1 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
100 g - 1 g
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
100 g - 1 g
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
200 g - 1 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
200 g - 1 g
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
200 g - 1 g
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
(2) 200 g - 1 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
(2) 200 g - 1 g
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
(2) 200 g - 1 g
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
500 g - 1 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
500 g - 1 g
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
500 g - 1 g
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
1 kg - 1 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
1 kg - 1 g
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
1 kg - 1 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
2 kg - 1 g
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
2 kg - 1 g
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
2 kg - 1 g
Calibration Certificate
No Certificate
ASTM Class
UltraClass
Weight Set Range
(2) 2 kg - 1 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
UltraClass
Weight Set Range
(2) 2 kg - 1 g
Calibration Certificate
Traceable Certificate
ASTM Class
UltraClass
Weight Set Range
(2) 2 kg - 1 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
5 kg - 1 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
5 kg - 1 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
5 kg - 1 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
10 kg - 1 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
10 kg - 1 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
10 kg - 1 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
20 kg - 1 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
20 kg - 1 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
20 kg - 1 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
25 kg - 1 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
25 kg - 1 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
25 kg - 1 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
30 kg - 1 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
30 kg - 1 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
30 kg - 1 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
50 kg - 1 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
50 kg - 1 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Set Range
50 kg - 1 g
ASTM Reference Calibration Weight Sets Product Details
Applications
Use as a primary reference for calibrating other mass standards and use for traceability between national mass standards and ASTM Class 1 weights and lower. This class is appropriate for calibrating high-precision balances with readability as low as 0.01 mg.
Construction
1 g and above - two-piece 500 mg and below - one-piece
Design Features
Weights 50 kg through 1 g are cylindrical with handling knob. Weights 500 mg and below are flat with one end turned up for easy handling.
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