Reference Weights and Mass Standards

ASTM Individual Reference Calibration Weights

Reference Calibration Weights and Mass Standards Adjusted to Troemner UltraClass Tolerances
ASTM Individual Reference Calibration Weights
ASTM Individual Reference Calibration Weights 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 Individual Reference Calibration Weights Models
Calibration Certificate


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ASTM Class
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Weight Value














































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Design


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Protective Case

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Uncertainty


















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Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
1 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
1 mg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
1 mg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
2 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
2 mg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
2 mg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
3 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
3 mg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
3 mg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
5 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
5 mg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
5 mg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
10 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
10 mg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
10 mg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
20 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
20 mg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
20 mg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
30 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
30 mg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
30 mg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
50 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
50 mg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
50 mg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
100 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
100 mg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
100 mg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
200 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
200 mg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
200 mg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
300 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
300 mg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
300 mg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
500 mg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
500 mg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
500 mg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
1 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
1 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
1 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
2 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
2 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
2 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
3 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
3 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
3 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
5 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
5 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
5 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
10 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
10 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
10 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
10 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
10 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
10 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
20 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
20 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
20 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
20 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
20 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
20 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
30 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
30 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
30 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
30 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
30 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
30 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
40 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
40 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
40 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
50 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
50 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
50 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
50 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
50 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
50 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
60 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
60 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
60 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
70 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
70 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
70 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
80 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
80 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
80 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
100 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
100 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
100 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
100 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
100 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
100 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
150 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
150 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
150 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
160 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
160 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
160 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
200 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
200 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
200 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
200 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
200 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
200 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
300 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
300 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
300 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
300 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
300 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
300 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
400 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
400 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
400 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
500 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
500 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
500 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
500 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
500 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
500 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
600 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
600 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
600 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
1,000 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
1,000 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
1,000 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
1 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
1 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
1 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
1,500 g
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
1,500 g
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
1,500 g
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
2 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
2 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
2 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
2 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
2 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
2 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
3 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
3 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
3 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
3 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
3 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
3 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
4 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
4 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
4 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
4 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
4 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
4 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
5 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
5 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
5 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
5 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
5 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
5 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
5 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
5 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
5 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
8 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
8 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
8 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
10 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
10 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
10 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
10 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
10 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
10 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
16 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
16 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
16 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
20 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
20 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
20 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
20 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
20 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
20 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
24 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
24 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
24 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
25 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
25 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
25 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
25 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
25 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
25 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
30 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
30 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
30 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
30 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
30 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
30 kg
Calibration Certificate
No Certificate
ASTM Class
Troemner UltraClass
Weight Value
50 kg
Calibration Certificate
ISO/IEC 17025 Accredited Certificate
ASTM Class
Troemner UltraClass
Weight Value
50 kg
Calibration Certificate
Traceable Certificate
ASTM Class
Troemner UltraClass
Weight Value
50 kg
ASTM Individual Reference Calibration Weights 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
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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