Weight Sets

Metric

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Weight SetsWeight Sets
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Description
OIML Precision Weight Sets - Metric
Weight Sets are manufactured from the finest materials including Troemner Alloy 8 and are manufactured in sets ranging from 0.5 mg-0.05 mg through 20 kg-1 mg. Weights sets are available in Troemner UltraClass Platinum, UltraClass Gold, UltraClass, Class E0, OIML R 111 Class E1, E2, F1 and F2.
Weights sets are supplied in a 5-2-2-1 series unless a 5-3-2-1 series is specified. 5-2-2-1 series means that weights beginning with a "2" are doubled in each decade and weights beginning with a "5" and "1" are single in each decade.
Suggested markets for OIML Precision Weight Sets include, but are not limited to, pharmaceutical, forensic and nuclear industries.
Class
UltraClass Platinum
The weight tolerance is equal to ANSI/ASTM E617 Class 000 and OIML R 111 Class E0. This class is used as a reference standard for calibrating other reference standards and weights where the stability of the environment and careful handling are assured. This class is appropriate for calibrating high-precision analytical balances with a readability as low as 0.0001 mg.
UltraClass Gold
The weight tolerance is equal to ANSI/ASTM E617 Class 00 and OIML R 111 Class E1. This class is used as a reference standard for calibrating other reference standards and weights where the stability of the environment and careful handling are assured. This class is appropriate for calibrating high-precision analytical balances with a readability as low as 0.001 mg.
UltraClass
The weight tolerance is equal to ANSI/ASTM E617 Class 0 and exceeds OIML R 111 Class E2. This class is used as a reference standard for calibrating other reference standards and weights and is appropriate for calibrating high-precision analytical balances with a readability as low as 0.01 mg.
Class E0
Used as a primary reference for calibrating other reference standards and weights where the stability of the environment and careful handling are assured. Class E0 weights have no method of adjustment and are not suitable for general laboratory use. Class E0 is 1/2 the tolerance of E1 and the uncertainty is the best measurement reported in our NVLAP (Laboratory Code 105013-0) Scope of Accreditation which is guaranteed to be 1/3 the tolerance or better.
Class E1
Used as a primary reference for calibrating other reference standards and weights where the stability of the environment and careful handling are assured. Class E1 weights have no method of adjustment and are not suitable for general laboratory use. The uncertainty is guaranteed to be 1/3 the tolerance.
Class E2
Can be used as a reference standard in calibrating other weights and is appropriate for calibrating high-precision analytical balances with a readability as low as 0.1 mg to 0.01 mg.
Class F1
Appropriate for calibrating high-precision top loading balances with a readability as low as 0.01 g to 0.001 g.
Class F2
For calibration of semi-analytical balances and for student use.

Certificate
NVLAP Accredited Certificate
Troemner's NVLAP Accredited Certificate provides compliance in both measurement process and data reported to the customer to meet a variety of standards including NVLAP Handbook 150-2, ISO/IEC 9000, ISO/IEC 17025, FDA, GMP. GLP, DOD, ANSI/NCSL Z540-1 and nuclear requirements. Troemner's NVLAP Laboratory Code is 105013-0. The NIST administered National Voluntary Laboratory Accreditation Program (NVLAP) approves, through periodic audits, all processing and weighing procedures, as well as certificate format and content. Calibration procedures vary by tolerance class requested. For example, for higher accuracy classes such as Troemner UltraClass Series, ANSI/ASTM E617 Class 000, 00, 0 and 1, OIML R 111 Class E0, E1, E2 and F1, Troemner performs a multiple weighing procedure utilizing standards to determine the mass of a customer's weight.
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Weight Set Details
Details will be determined upon configurations