- Weight Set Range: 500 g - 20 g
- Set Capacity: 520 g
- Set Total Pieces: 2
- Protective Case: Included
- Set Contents: 10 g; 200 g
- Weight Material: Troemner Alloy 8
- ASTM Class: 1
Ohaus CalPak ASTM Calibration Weight Sets 500g/20g CL1 Accrd TR
Item#: 80859550This ASTM Class 1 two-piece weight set provides reliable reference standards for calibrating high precision balances with readability down to 0.1 mg. Constructed from durable Troemner Alloy 8, the 200 g and 10 g cylindrical weights offer excellent long-term stability for demanding metrology and laboratory environments. The set includes a protective case and an ISO/IEC 17025 accredited certificate to ensure full traceability to national mass standards.
$767.00 $690.30
Applications
Use Class 1 as a primary reference to calibrate other mass standards and use for traceability between national mass standards and ASTM Class 2 weights and lower. Class 1 is appropriate for calibrating high-precision balances with readability as low as 0.1mg.
Construction
Two-piece
Design Features
Knob style weights 50kg–1g are cylindrical with knob. Cal-Pak 5kg weight is a grip handle weight. Cylindrical style weights 1kg–5k have groove. Cylindrical grip style weights 4kg–30kg have recessed grip. Cylindrical weights 10g–600g are straight cylinder.










