INAB-Accredited Mass Calibration & Test Weights for Sale

Ensure Accuracy. Stay Compliant. Trust Ireland’s Leading Experts.

Whether you need ISO 17025 accredited calibration or certified test weights, Mason Technology offers a complete, reliable solution.

Mass Calibration Services You Can Trust

Calibration Range:

Class E2: 1 mg – 1 kg
Class F1, F2, M: 1 mg – 20 kg
Full compliance with OIML tolerances
INAB Certified (Ireland’s National Accreditation Body)

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Calibration of Mass Weights - INAB Accredited - GAD

Why Mason Technology for Mass Calibration?

INAB Accredited: ISO 17025 accreditation since 1994, ensuring full compliance and traceability.
Purpose-Built Lab: Calibrations performed in our environmentally controlled facility in Dublin.
Wide Range of Support: Calibrate OIML class E2, F1, F2, and M weights — from 1 mg to 20 kg.
Refurbishment & Replacement: Options available for Class M weights and those outside tolerance.
Fast, Professional Turnaround: Minimise downtime and maintain balance accuracy with efficient service.

Certified Mettler Toledo Test Weights for Laboratories & Industry

Whether you’re working in a regulated laboratory or an industrial environment, our premium test weights from Mettler Toledo deliver the precision, durability, and compliance you need.

All weights are manufactured from high-grade austenitic stainless steel to provide maximum corrosion resistance throughout their lifetime.

Laboratory Test Weights

Ideal for pharma, biotech, and cleanroom environments

Single Weights: Knob, wire, or sheet weights from 1 mg upward
Weight Sets: From 1 mg–500 mg to 1 mg–5 kg, with or without calibration certificates
Microgram & Reference Weights: E0 and E1 class for high-precision calibration needs
Electropolished Finishes: For optimal surface smoothness and contaminant resistance
Delivered in Protective Cases: Includes tweezers, brush, and cloth for clean handling

Industrial Test Weights

Engineered for durability and ease of use in heavy-duty applications

Grip Handle Weights (1–50 kg): Painted cast iron or stainless steel options
Crane Test Weights: Stackable cast-iron or stainless steel weights for large-capacity scale testing
Compliant with OIML F1, F2, M1 Standards
Smart Design: Safe crane lifting, long-term stability, and efficient use on-site

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Weight Sets - Laboratory Test Weights - Mettler Toledo - Mason Technology Ireland

Why Mason Technology for Test Weights?

Trusted Mettler Toledo Quality: Supplied weights meet the highest international metrological standards.
Full Range Available: From microgram lab weights to 50 kg industrial and crane test weights.
Corrosion-Resistant Stainless Steel: Built from top-grade austenitic steel for long-lasting precision.
Cleanroom-Ready: Electropolished finishes, protective cases, and accessories included with lab sets.
Custom Certification: Optional calibration certificates to meet regulatory and quality requirements.