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Essential Weights™ Calibration Set, ASTM Classification
As of: Wednesday, November 11, 2026
Standard Features
- Polished stainless steel Type II design
- Sealing cavity
- Density is approximately 7.95 g/cm3
- Special PVC weight case or ABS case
- Precision tweezers included
- Configurations available ideal for calibration, shift tests and sensitivity tests
- Other configurations available by special order
- Meets USP-41 requirements for intermediate checks
- Includes NVLAP Accredited Certificate of Calibration
Essential Weights are customized sets of three or four stainless steel test weights specifically tailored to your laboratory precision weighing equipment. Ideal for specific calibrations, shift tests and sensitivity tests, Essential Weights are designed with convenience in mind without sacrificing accuracy or quality. These polished stainless steel Type II design ASTM Class 1 weights include a small, durable carrying case. Maintain routine laboratory calibration best practices with Rice Lake’s Essential Weights.
ASTM Class 0
| Part # | Description | List Price |
|---|---|---|
| 186177 | 200mg, 1mg ASTM Class 0 | List Price: $390.00 |
| 186178 | 500mg, 1mg ASTM Class 0 | List Price: $420.00 |
ASTM Class 1
| Part # | Description | List Price |
|---|---|---|
| 186179 | 2g, 20mg ASTM Class 1 | List Price: $396.00 |
| 186180 | 10g, 20mg ASTM Class 1 | List Price: $484.00 |
| 186181 | 10g, 200mg ASTM Class 1 | List Price: $484.00 |
| 186182 | 20g, 20mg ASTM Class 1 | List Price: $506.00 |
| 186183 | 20g, 200mg ASTM Class 1 | List Price: $506.00 |
| 186184 | 20g, 2g ASTM Class 1 | List Price: $528.00 |
| 186185 | 50g, 200mg ASTM Class 1 | List Price: $671.00 |
| 186186 | 50g, 2g ASTM Class 1 | List Price: $693.00 |
| 186187 | 100g, 2g ASTM Class 1 | List Price: $891.00 |
| 186188 | 100g, 20g ASTM Class 1 | List Price: $913.00 |
| 186189 |
Accessories
| Part # | Description | List Price |
|---|---|---|
| 11714 | List Price: $8.00 | |
| 11711 | Delrin | List Price: $6.00 |
| 152414 | 130 mm, Tips made of nylon. | List Price: $50.00 |
| 11747 | Handle Plexiglass, 200 g to 3 kg | List Price: $24.00 |
www.ricelake.com | 800-472-6703
An ISO 9001 Registered Company ©2026 Rice Lake Weighing Systems