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100g-1mg Certified Reference Weight Set ASTM UltraClass, 30390110
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Reference Calibration Weights and Mass Standards Adjusted to the Most Precise Tolerances
Product Specifications
| Calibration Certificate | Traceable Certificate | 
| ASTM Class | Troemner UltraClass | 
| Weight Set Range | 100 g - 1 mg | 
| Design | 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 | 
| Set Capacity | 200 g | 
| Weight Material | 
						500 mg to 5 mg are 304 Stainless Steel; ≥1 g are Troemner Alloy 8; Below 5 mg are Aluminum; Weights 1 g and above are Troemner Alloy 8, weights 5 mg through 500 mg are 304 Stainless Steel, weights below 5 mg are 3003-H14 Aluminum  | 
				
| Protective Case | Included | 
| Construction | 
						1 g and above are two-piece; 500 mg and below are one-piece  | 
				
| Density at 20°C | 
						Below 5 mg are 2.70 g/cm3; 500 mg to 5 mg are 7.95 g/cm3; 1 g and above are 8.03 g/cm3  | 
				
| Dimensions in Case (Length) | 8.89 cm (3.5 in) | 
| Dimensions in Case (Height) | 17.78 cm (7 in) | 
| Dimensions in Case (Width) | 20.32 cm (8 in) | 
| Set Contents | 
						(2) 2 g; (2) 20 mg; 500 mg; 10 g; (2) 20 g; 100 g; 100 mg; 10 mg; (2) 200 mg; 1 g; 50 g; 5 g; 5 mg; (2) 2 mg; 50 mg; 1 mg  | 
				
| Set Total Pieces | 21 | 
| Wgt Origin (USA) | USA | 
| Legacy Material Number | 7228-0T | 
Logistic Specifications
| Country of origin | US | 
| Customs tariff number | 8423909000 |