Adam Equipment ASTM 1 - 2000g Calibration Weight, 2000g Capacity, lb / kg Readability, ASTM Class 1, Stainless Steel

High-Accuracy ASTM Class 1 Calibration Weight — ASTM 1 - 2000g (2 kg)

The Adam Equipment ASTM 1 - 2000g is an individual 2 kg calibration weight built to ANSI/ASTM Class 1 specifications, providing high-accuracy mass verification for precision laboratory balances. Class 1 represents the second-highest classification in the ASTM E617 hierarchy, making this weight well suited to balances used in pharmaceutical quality control, chemical research, and other applications where certified mass traceability is essential. Manufactured from polished stainless steel at a density of 7.96 g/cm³, it delivers consistent, repeatable performance in any controlled laboratory setting.

Key Features

• Polished stainless steel body manufactured to ANSI/ASTM Class 1 tolerance specifications
• 7.96 g/cm³ steel density reduces air-buoyancy uncertainty in precision balance measurements
• Individually serialised for straightforward traceability in ISO, GLP, and GMP documentation
• Supplied in an impact-resistant hard plastic case with serial number recorded on the exterior
• Meets ANSI/ASTM E617 Class 1 requirements, suitable for precision balance calibration
• Available in Class 0 through Class 4 and multiple nominal values for complete lab coverage
• Smooth surface finish enables easy visual inspection and contamination removal

Detailed Overview

Conforming to ANSI/ASTM E617 Class 1 tolerances, this 2 kg calibration weight offers high accuracy appropriate for precision balances operating at readabilities from 0.001 g downward. The 7.96 g/cm³ steel density — the higher-density specification that Class 1 shares with Class 0 — is selected to minimise the measurement error introduced by air-buoyancy differences between the weight and the material being weighed on sensitive balances. This makes the weight suitable not only for routine calibration but also for use where measurement uncertainty documentation is required.

Adam Equipment provides each weight with an individually labelled impact-resistant plastic case, the serial number clearly inscribed on the case exterior to support traceability documentation without additional labelling. Laboratories operating under ISO 17025, GLP, or GMP frameworks can incorporate this weight directly into their calibration records, noting the unique identifier alongside the balance under test. The hard case provides adequate physical protection for the weight during bench handling, storage in a calibration kit, and routine transport within a facility.

As part of Adam Equipment's broader ASTM weight range — which spans Classes 0 through 4 and a wide selection of nominal values — this 2 kg Class 1 weight can serve as both a stand-alone calibration reference and a component within a multi-point calibration protocol. The polished stainless steel construction resists corrosion from typical laboratory atmospheres and cleans readily with standard weight-cleaning procedures. Handling with clean forceps or lint-free gloves will help maintain the weight's surface condition and preserve its nominal mass value over extended service periods.

Applications

• Routine calibration of analytical and precision balances in research and quality laboratories
• Pharmaceutical QC balance verification where ANSI/ASTM Class 1 certification is specified
• Calibration checks during equipment qualification (IQ/OQ/PQ) for regulated environments
• Reference weight in inter-laboratory comparisons and round-robin testing programmes
• Multi-point calibration protocols requiring a high-accuracy mass standard at 2 kg
• Verification of laboratory balances during regulatory inspections and customer audits

Why Choose the Adam Equipment ASTM 1 - 2000g?

The Adam Equipment ASTM 1 - 2000g brings together the precision-matched 7.96 g/cm³ density, individually serialised traceability, and protective hard case that precision laboratories require from a Class 1 calibration weight. Its polished stainless steel body resists the corrosion and mechanical wear that accompany frequent calibration cycles, ensuring that the weight continues to perform within ANSI/ASTM Class 1 tolerances throughout its service life. For balance calibration programmes where accuracy and documentation integrity are both priorities, this weight provides a dependable and compliant solution.