Ohaus Troemner OIML Precision Weights (USA) Weight Set E1 Wt Set(16), 5 g-1 mg, NVLAP 30390925

The Ohaus Troemner OIML Precision Weights (part number 30390925) is a calibrated weight set used for precise balance calibration and verification, covering weights from 5 grams down to 1 milligram.

Key Features:

• OIML Class: E1
• Weight Set Range: 5 g to 1 mg
• Set Capacity: 11.11 g
• Set Total Pieces: 16
• Set Contents: 5 g; 1 g; 500 mg; 100 mg; 50 mg; 10 mg; 5 mg; 2 mg (2 pieces); 1 mg; 200 mg (2 pieces); 20 mg (2 pieces); 2 g (2 pieces)
• Protective Case: Included
• Construction: One-piece weights
• Density at 20°C varies by weight: Below 5 mg - 2.70 g/cm³ (3003-H14 Aluminum), 5 mg to 500 mg - 7.95 g/cm³ (316 Stainless Steel), 1 g and above - 8.03 g/cm³ (Troemner Alloy 8)
• Weight Material: Troemner Alloy 8 for weights ≥ 1 g, 316 Stainless Steel for 5 mg through 500 mg, 3003-H14 Aluminum for weights below 5 mg
• Dimensions of Case: 4.5 in x 3.5 in (11.43 cm x 8.89 cm)

Advantages:

• High precision E1 classification ensures extremely tight tolerances suitable for laboratory calibration purposes
• Wide weight range from 5 g to 1 mg enables calibration of balances with diverse capacities and sensitivities
• One-piece construction and varying high-quality materials improve weight stability, density uniformity, and corrosion resistance
• Protective case inclusion facilitates safe storage and transport, preserving calibration accuracy
• Compact case size allows convenient handling and organization of all 16 weights