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| Test Weight 1312T 500 g Class F with Traceable Certificate more ... |
| Calibration Weights > Class F Test Weights > Individual Weights | ||||||
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OverviewTest Weight 1312T 500 g Class F with Traceable Certificate
Capacity x Readability
Manufature:
Troemner500 g SKU: 1312T UPC: 30390646 Weight: 2.00 lb |
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Stainless Steel Class F Test Weights General Information
Stainless Steel Class F Test Weights are primarily used to test commercial weighing devices by state and local weights and measures officials, device installers and service technicians. Stainless Steel Class F Test Weights may be used to test most accuracy Class III scales, all scales of Class III L or IIII, and scales not marked with a Class designation. Class F is also acceptable for use verifying scales that have 0.1% accuracy or lower. Stainless Steel Class F Cylindrical, Cube and Grip Handle Weights are legal for trade, which means their design meets specifications as outlined in NIST Handbook 105-1 and are approved to be used on legal for trade devices within the United States. Weights 5 kg / 10 lb and below must be made of stainless steel of quality not lower than 300 series stainless steel. Adjusting cavities are typically on the top of the weight and must be tamper resistant
NIST Class F Tolerances
The tolorance applied to a weight have been chosen to be small enough to be negligible when testing a device, be a small franction of the nominal value of the weight, and yet large enough to be practical for manufacturing a weight. These considerations are conflicting so that it is impossible to have the same fractional tolerance over the entire span of nominal values from 500 kg to 1 mg.
Construction and General Shape
Troemners Stainless Steel Test Weights are available in a variety of styles, including cylindrical weights, cube weights, and stackable grip handle weights. Troemners Stainless Steel Test Weights are manufactured from grade 303 stainless steel alloy that possesses closely controlled density, low magnetic susceptibility, good stability and resistance to corrosion and handling damage.
Surface Finish
The surface finish of a new weight machined from round bar stock shall have a roughness average of 0.80 micrometers (32 microinches) or better, determined by use of a hand held surface roughness indicattor (available from several manufacturers) or more accurate method, and be free of scratches, dents, and chipped corners or edges, determined by visual examination. A beaded or blasted finish (with average 1.25 micrometers (50 microinches) or better) is acceptable on a cube weight to facilitate gripping.
A weight 5 kg/10 lb or less shall not have a surface coating.
Presentation
Ordering a Certificate With Your Weight or Weight Set
The following certificates are available to meet your traceability and compliance needs. Complete information on our calibration certificates and samples of certificates are located in the Mass Calibration and Certificate Options section of the web site.
Stainless Steel Test Weight Sets Configuration Information
Troemners Stainless Steel Test Weights are available in a variety of standard configurations and set capacities including cylindrical weights and cube sealer weight sets. Review the following configuration tables to determine which set meets your needs. If you do not see a set that meets your needs, a customized weight set consisting of the weights you require can be configured and supplied in a protective weight case.
| Weight | Class F w/Statement of Accuracy | Class F w/Traceable Cert. | Class F W/NVLAP Certificate |
|---|---|---|---|
| Part# | Part# | Part# | |
| 500 g | 1312 | 1312T | 1312W |
| 400 g | 1313 | 1313T | 1313W |
| 300 g | 1314 | 1314T | 1314W |
| 200 g | 1316 | 1316T | 1316W |
| 100 g | 1318 | 1318T | 1318W |
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