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Precision Calibration Weights | Professional Mass Standard Solutions
Reliable precision calibration weights are fundamental for verifying the accuracy of laboratory balances and ensuring mass measurement integrity in highly regulated environments. Our specialized hardware addresses critical issues like surface contamination and mass stability over long-term usage. Implementing these certified standards ensures precise measurement data and strict adherence to metrological safety standards, optimizing analytical accuracy across diverse technical operations.
We feature premium mass standard hardware from industry leaders like Rice Lake, Troemner, and Ohaus to guarantee laboratory-grade reliability in demanding environments. Our extensive inventory supports over 500+ US research and manufacturing facilities with expedited domestic shipping and verified performance documentation for every weight set. Whether sourcing refurbished individual weights for cost-efficiency or new-in-box ASTM Class 1 sets, our products deliver documented success. Pair these standards with our professional precision balance solutions to maintain full measurement traceability.
Technical Specifications & Industrial Application
Optimize laboratory weighing across Pharma, Chemical, and Aerospace facilities using advanced mass standard hardware. These instruments utilize high-grade stainless steel to reduce oxidation while maximizing measurement stability. Our inventory is engineered for professional US environments, ensuring seamless data verification and safety across critical infrastructure during production.
- Mass Classification Specs: Available in ASTM and OIML Class 1 through 4.
- Material Composition Standards: Features high-density non-magnetic stainless steel for stability.
- Set Configuration Standards: Supports individual weights or comprehensive kit-based sets.
- Calibration Certification Support: Ships with NIST-traceable NVLAP accreditation documentation.
- Surface Finish USP: Ultra-smooth polishing minimizes dust adhesion and mass change.
Showing 1–20 of 22 results
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Rice Lake 45910 Analytical Weight Set 5kg-1mg Class 0 w/ Report
Rice Lake 45910 prevents analytical measurement errors through ASTM Class 0 calibration weight sets, delivering NIST-documented mass values for mission-critical primary laboratory standards and research.
- Construction: Austenitic 316 stainless steel
- Accuracy: ASTM E617 Class 0
- Interface: High-security case with forceps
- Range: 5kg down to 1mg
- Application: Primary laboratory mass standards
$4,272.00
$4,272.00
Rice Lake 45912 Analytical Weight Set 5kg-1g Class 0 w/ Report
Rice Lake 45912 streamlines primary reference verification through austenitic 316 stainless steel analytical weight sets, optimizing the validation of secondary standards and high-precision analytical balances.
- Construction: Polished austenitic 316 stainless
- Accuracy: Highest primary ASTM Class 0
- Interface: NIST traceable calibration report
- Range: 5kg down to 1g
- Application: Primary balance reference validation
$3,471.00
$3,471.00
Rice Lake 45915 Analytical Weight Set 2kg-1mg Class 0 w/ Report
Rice Lake 45915 prevents critical analytical measurement errors by providing extreme precision through this analytical weight set to ensure the highest fidelity primary standards for laboratories.
- Construction: 316 Mirror Finish Stainless
- Accuracy: ASTM Class 0 Precision
- Interface: High-security storage protective case
- Range: 2kg down to 1mg
- Application: Primary laboratory balance calibration
$3,115.00
$3,115.00
Rice Lake 65211 Weight Set 20kg-1mg Class F1 Stainless Steel OIML
Rice Lake 65211 delivers elite OIML F1 precision for analytical weight sets, utilizing polished stainless steel to ensure exact verification for high-resolution Class II balances.
- Construction: Polished stainless steel SST
- Accuracy: OIML F1 ±100mg tolerance
- Interface: Meets OIML R111 requirements
- Range: 20kg down to 1mg
- Application: Class II balance verification
$3,917.00
$3,917.00
Rice Lake 87043 Stainless Steel Weight Set 2kg-1mg Class 0
Rice Lake 87043 delivers the highest primary standard precision for analytical weight sets, featuring highly polished 316 stainless steel to ensure extreme accuracy for primary laboratories.
- Construction: Polished 316 stainless steel
- Accuracy: ASTM Class 0 standard
- Interface: OIML E1 polished finish
- Range: 2kg down to 1mg
- Application: Primary laboratory standard grade
$3,738.00
$3,738.00
Troemner 7207-1W Analytical Weight Set 20kg-1mg Class 1 NVLAP
Troemner 7207-1W simplifies ISO 17025 compliance through polished calibration weight sets, allowing laboratory technicians to maintain secondary standards with minimal risk of environmental contamination.
- Construction: Precision polished stainless steel
- Accuracy: High-precision ASTM Class 1
- Interface: Secure analytical storage case
- Range: 20kg down to 1mg
- Application: Secondary standard balance calibration
$5,786.00
$5,786.00
Troemner 7207-OW/SSCA-20000 Weight Set 20kg-1mg Class 0 NVLAP Case
Troemner 7207-OW/SSCA-20000 provides the highest ASTM Class 0 precision via professional calibration weight sets, delivering NIST-traceable primary standards for high-fidelity analytical balance verification.
- Construction: One-piece non-magnetic stainless steel
- Accuracy: Highest ASTM Class 0
- Interface: Heavy-duty primary standard storage
- Range: 20kg down to 1mg
- Application: Analytical balance primary calibration
$6,676.00
$6,676.00
Troemner 7208-1T Analytical Weight Set 10kg-1g Class 1 Traceable
Troemner 7208-1T prevents precision balance measurement errors by providing ASTM Class 1 analytical weight sets oversight for high-fidelity laboratory verification across corrosion-resistant industrial environments.
- Construction: Corrosion resistant stainless steel
- Accuracy: Precision ASTM Class 1
- Interface: Felt-lined protective storage case
- Range: 10kg down to 1g
- Application: Laboratory precision balance verification
$3,961.00
$3,961.00
Troemner 7208-4W Analytical Weight Set 10kg-1g Class 4 NVLAP
Troemner 7208-4W prevents high-capacity industrial scale inaccuracies by providing ASTM Class 4 analytical weight sets oversight for non-critical laboratory weighing and frequent equipment health checks.
- Construction: 303 stainless steel hardware
- Accuracy: ASTM E617-18 Class 4
- Interface: NVLAP accredited calibration certificate
- Range: 10kg down to 1g
- Application: High-capacity industrial scale checks
$3,605.00
$3,605.00
Troemner 7209-1 Analytical Weight Set 10kg-1mg Class 1 No Cert
Troemner 7209-1 streamlines industrial weighing workflows by utilizing non-magnetic analytical weight sets with highly polished surfaces to minimize dust retention during routine precision balance checks.
- Construction: Non-magnetic 316 stainless steel
- Accuracy: Precision industrial ASTM Class 1
- Interface: Highly polished surface finish
- Range: 10kg down to 1mg
- Application: Routine industrial balance checks
$3,783.00
$3,783.00
Troemner 7211-1W Analytical Weight Set 5kg-1mg Class 1 NVLAP
Troemner 7211-1W delivers elite ±1.2mg precision for analytical weight sets, utilizing Alloy 8 stainless steel to provide low magnetic susceptibility for high-fidelity analytical balance verification.
- Construction: Troemner Alloy 8 stainless
- Accuracy: ASTM Class 1 precision
- Interface: Protective felt-lined kit case
- Range: 5kg down to 1mg
- Application: High-fidelity analytical balance verification
$3,605.00
$3,605.00
Troemner 7212-00W Precision Weight Set (2) 2kg-1g 15pc NVLAP
Troemner 7212-00W accelerates primary standard verification using extreme precision analytical weight sets with monoblock stainless steel construction to maintain maximum mass consistency during critical laboratory audits.
- Construction: One-piece monoblock stainless steel
- Accuracy: Extreme precision ASTM Class 0
- Interface: NVLAP accredited certification data
- Range: 2kg down to 1g
- Application: Critical laboratory balance verification
$3,694.00
$3,694.00
Troemner 7213-0W Precision Weight Set (2) 2kg-1mg 27pc NVLAP
Troemner 7213-0W streamlines linearity and repeatability testing with this analytical weight set, featuring superior Alloy 8 stability for the most demanding primary grade laboratory requirements.
- Construction: One-piece Troemner Alloy 8
- Accuracy: ASTM Class 0 Primary
- Interface: NVLAP accredited mass data
- Range: Dual 2kg-1mg 27pc set
- Application: Linearity and repeatability testing
$3,026.00
$3,026.00
Troemner 7505-E1 OIML Class E1 Weight 50kg Statement of Accuracy
Troemner 7505-E1 delivers elite mirror-finished precision calibration weights, offering OIML E1 accuracy with a handling knob designed to minimize surface contamination during critical laboratory procedures.
- Construction: Polished Alloy 8 stainless
- Accuracy: OIML E1 ±25mg tolerance
- Interface: Integral handling knob design
- Range: 50kg nominal mass
- Application: High-accuracy primary mass standard
$4,495.00
$4,495.00
Troemner 7505-E1W OIML Class E1 Weight 50kg with NVLAP Cert
Troemner 7505-E1W prevents long-term mass instability through OIML E1 precision calibration weights, providing the highest primary metrological standard for mission-critical laboratory mass verification.
- Construction: Monoblock Alloy 8 stainless
- Accuracy: Highest OIML E1 tolerance
- Interface: No adjusting cavity design
- Range: 50kg nominal mass
- Application: Primary metrological mass standard
$4,940.00
$4,940.00
Troemner 7505-E2 OIML Class E2 Weight 50kg Statement of Accuracy
Troemner 7505-E2 prevents critical mass measurement drifting by providing OIML E2 precision calibration weights oversight for large-scale industrial balances requiring high-stability Alloy 8 stainless steel.
- Construction: Troemner Alloy 8 stainless
- Accuracy: OIML E2 ±80mg tolerance
- Interface: High density stability statement
- Range: 50kg nominal mass
- Application: High-stability industrial balance calibration
$3,738.00
$3,738.00
Troemner 7505-E2W OIML Class E2 Weight 50kg with NVLAP Cert
Troemner 7505-E2W streamlines industrial balance verification using OIML E2 precision calibration weights, providing an ideal secondary reference standard for calibrating high-resolution F1 weight sets.
- Construction: Austenitic Alloy 8 stainless
- Accuracy: OIML E2 ±80mg tolerance
- Interface: Low magnetic permeability material
- Range: 50kg nominal mass
- Application: High-resolution industrial balance calibration
$4,362.00
$4,362.00
