Product Description
Equip a bench with a full range of reference masses in a single protective case. These ASTM Class 7 economy weight sets span ranges from 500 mg to 1 mg up to 2,000 g to 1 mg, including sets with apothecary grain, scruple and dram pieces.
This listing is for OHAUS item number 30390989: ASTM Class 7 ECON Weight Set, 500 g to 1 mg, with Non-Accredited Calibration Certificate. Each set ships in an included case with a fixed assortment of weights; gram pieces are cylindrical, and 500 mg and smaller pieces are flat with one end turned up for easy handling with tweezers. Larger 200 g to 2 kg pieces are two-piece and smaller pieces are one-piece, with steel used above 5 g and aluminum for 5 g and below. Sets are offered with no certificate or with a non-accredited calibration certificate, and are made in the USA. Add it to your LIGHT LABS order and keep your lab running with genuine OHAUS equipment.
Key Features
- Complete Cased Sets – Each assortment ships in an included protective case that keeps pieces organized
- Broad Range Choices – Sets cover spans from milligrams up to 2 kg to match the balances you use
- ASTM Class 7 Tolerance – An economical class suited to teaching, force measurement and general-purpose checks
- Easy-Handling Pieces – Flat milligram weights have one end turned up for tweezers, gram weights are cylindrical
- Certificate Options – Choose no certificate or a non-accredited calibration certificate for traceable records
Specifications
| Item Number | 30390989 |
| Brand | OHAUS |
| Description | ASTM Class 7 ECON Weight Set, 500 g to 1 mg, with Non-Accredited Calibration Certificate |
| Calibration Certificate | Traceable Certificate |
| ASTM Class | 7 |
| Weight Set Range | 500 g - 1 mg |
| Set Capacity | 1.11 kg |
| Protective Case | Included |
| Construction | 500 g to 200 g are two-piece; 100 g and below are one-piece |
| Density at 20°C | 5 g and below are 2.70 g/cm3;Above 5 g are 7.85 g/cm3 |
| Design | Weights 500g to 1g are cylindrical. Weights 500mg and below are flat, with one side turned up |
| Dimensions in Case | 1.6 in x 3.844 in x 7.713 in (4.064 cm x 9.764 cm x 19.59 cm) (LxHxW) |
| Set Contents | (2) 2 g;(2) 200 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;500 g;(2) 2 mg;50 mg;1 mg |
| Set Total Pieces | 24 |
| Wgt Origin (USA) | USA |
| Origin | USA |
Related Models
- 30390984 – ASTM Class 7 ECON Weight Set, 200 g to 1 g, with Non-Accredited Calibration Certificate
- 30390974 – ASTM Class 7 ECON Weight Set D1, 500 g to 1 g, No Certificate
- 30390966 – ASTM Class 7 ECON Weight Set, 500 g to 1 g, No Certificate
- 30390998 – ASTM Class 7 ECON Weight Set D1, 500 g to 1 g, with Non-Accredited Calibration Certificate
- 30390990 – ASTM Class 7 ECON Weight Set, 500 g to 1 g, with Non-Accredited Calibration Certificate
- 30390957 – ASTM Class 7 ECNSLT Weight Set, 500 mg to 1 mg, No Certificate
- 30390981 – ASTM Class 7 ECON Weight Set, 500 mg to 1 mg, with Non-Accredited Calibration Certificate
- 30390973 – ASTM Class 7 ECON Weight Set D1, 1 kg to 1 g, No Certificate
- 30390963 – ASTM Class 7 ECON Weight Set D2, 1 kg to 1 g, No Certificate
- 30390997 – ASTM Class 7 ECON Weight Set D1, 1 kg to 1 g, with Non-Accredited Calibration Certificate
- 30390956 – ASTM Class 7 ECNSLT Weight Set, 2,000 g to 1 g, No Certificate
- 30390980 – ASTM Class 7 ECON Weight Set, 2,000 g to 1 g, with Non-Accredited Calibration Certificate
- 30390953 – ASTM Class 7 ECNSLT Weight Set, 50 g to 10 mg, No Certificate
- 30390970 – ASTM Class 7 ECNSLT Weight Set, 50 g to 10 mg, 111.1 g Capacity, No Certificate
Applications
- Classroom and teaching lab weighing
- Student balance verification
- Physics force measurement
- Routine checks of top-loading balances
- Apothecary and grain weight demonstrations
