Product Description
Keep every balance in your lab honest with a complete, organized set of ASTM calibration weights that covers everything from milligram checks to multi-kilogram linearity tests. OHAUS ASTM Class 1 sets serve as reference standards for high-precision analytical balances, while Class 4 sets provide an economical choice for routine checks on precision balances and scales.
This listing is for OHAUS item number 30391216: ASTM Class 4 Calibration Weight Set, 2 kg to 1 g, No Certificate,. Weights are made in the USA to ASTM E617 tolerances. Gram and kilogram pieces are machined from dense, corrosion-resistant stainless alloys, and most use two-piece construction with a sealed adjustment cavity, while milligram pieces are one-piece. Every set ships in a fitted protective case (the largest 25 kg and 50 kg pieces, where included, ship separately), and sets are offered with no certificate, a traceable non-accredited certificate or an ISO/IEC 17025 accredited certificate. Handle pieces with gloves or the supplied tools to protect their calibrated values. Add it to your LIGHT LABS order and keep your lab running with genuine OHAUS equipment.
Key Features
- ASTM E617 Tolerances – Class 1 and Class 4 options let you match weight accuracy to your balance readability
- Complete Range Coverage – Sets span milligram through kilogram nominal values in a standard 5-2-2-1 sequence
- Certificate Choice – Order with no certificate, a traceable certificate or an ISO/IEC 17025 accredited certificate
- Fitted Protective Case – Each piece has its own pocket for clean, organized storage
- Made in the USA – Produced from dense, corrosion-resistant metal for long-term stability
Specifications
| Item Number | 30391216 |
| Brand | OHAUS |
| Description | ASTM Class 4 Calibration Weight Set, 2 kg to 1 g, No Certificate, |
| Calibration Certificate | No Certificate |
| ASTM Class | 4 |
| Weight Set Range | 2 kg - 1 g |
| Set Capacity | 4 kg |
| Set Total Pieces | 14 |
| Protective Case | Included |
| Construction | Two-piece |
| Density at 20°C | Below 2 kg are 8.03 g/cm3;2 kg and above are 7.95 g/cm3 |
| Dimensions in Case | 6.6 in x 12.7 in x 16.2 in (16.764 cm x 32.258 cm x 41.148 cm) (LxHxW) |
| Set Contents | 10 g;(2) 20 g;100 g;(2) 2 g;(2) 200 g;1 g;50 g;5 g;1 kg;2 kg;500 g |
| Weight Material | Weights 2 kg and above are 316 Stainless Steel. Weights below 2 kg are Alloy 8 |
| Wgt Origin (USA) | USA |
Related Models
- 30391061 – ASTM Class 4 Calibration Weight Set, 1 kg to 1 g, with Non-Accredited Calibration Certificate,
- 30391340 – ASTM Class 1 Calibration Weight Set, 100 g to 100 mg, No Certificate,
- 30391553 – ASTM Class 1 Calibration Weight Set, 100 g to 100 mg, with Non-Accredited Calibration Certificate,
- 30391207 – ASTM Class 4 Calibration Weight Set, 100 g to 100 mg, No Certificate,
- 30391054 – ASTM Class 4 Calibration Weight Set, 100 g to 100 mg, with Non-Accredited Calibration Certificate,
- 30391348 – ASTM Class 1 Calibration Weight Set, 2 kg to 1 g, No Certificate,
- 30391562 – ASTM Class 1 Calibration Weight Set, 2 kg to 1 g, with Non-Accredited Calibration Certificate,
- 30391250 – ASTM Class 4 Calibration Weight Set, 2 kg to 1 g, with Accredited Calibration Certificate,
- 30391063 – ASTM Class 4 Calibration Weight Set, 2 kg to 1 g, with Non-Accredited Calibration Certificate,
- 30391332 – ASTM Class 1 Calibration Weight Set, 20 g to 10 mg, No Certificate,
- 30391542 – ASTM Class 1 Calibration Weight Set, 20 g to 10 mg, with Non-Accredited Calibration Certificate,
- 30391198 – ASTM Class 4 Calibration Weight Set, 20 g to 10 mg, No Certificate,
- 30391043 – ASTM Class 4 Calibration Weight Set, 20 g to 10 mg, with Non-Accredited Calibration Certificate,
- 30391331 – ASTM Class 1 Calibration Weight Set, 20 g to 5 mg, No Certificate,
Applications
- Routine balance calibration and verification
- Linearity and repeatability testing
- GLP and ISO 9001 quality audits
- Calibration of lower-class working weights
- Service technician field kits
