- Weight Set Range: 1 kg - 50 g
- Set Capacity: 1.05 kg
- Set Total Pieces: 2
- Protective Case: Included
- Set Contents: 50 g; 1 kg
- Weight Material: Troemner Alloy 8
- ASTM Class: 1
Ohaus CalPak ASTM Calibration Weight Sets 1kg/50g CL1 Accrd TR
Item#: 80859551This ASTM Class 1 calibration set provides accurate reference weights for high precision balance calibration and traceability applications. Constructed from durable Troemner Alloy 8, the 1 kg and 50 g cylindrical weights offer excellent long term stability and low sensitivity to environmental changes. The set includes a protective case and an ISO/IEC 17025 accredited certificate, ensuring confidence in measurement accuracy for demanding laboratory and metrology environments.
$1,011.00 $909.90
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.










