MetricalCalibration
Precision Beyond Measurement

Weights for testing and calibration of laboratory balances and test weights

Precision Mass Standards E1, E2, F1, F2 Class Weights — 1 mg to 50 kg as per OIML R-111

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OIML R111 CertifiedNABL Accredited LabE1 · E2 · F1 · F2 Classes1 mg to 500 kg RangeISO 17025 CompliantMade in AhmedabadPrecision Beyond MeasurementTraceable CalibrationOIML R111 CertifiedNABL Accredited LabE1 · E2 · F1 · F2 Classes1 mg to 500 kg RangeISO 17025 CompliantMade in AhmedabadPrecision Beyond MeasurementTraceable Calibration
Why Metrical

Engineered for Absolute Precision

Every weight we manufacture passes through controlled environmental chambers and advanced mass comparators.

NABL Accredited

ISO 17025 compliant calibration laboratory in Ahmedabad.

OIML R111

E1 to F2 class weights certified to international standards.

1mg – 500kg

Full range precision mass standards for every application.

Full Traceability

Complete documentation and uncertainty budgets with every delivery.

Reference mass standards

E1 Class

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High precision weights

E2 Class

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Medium accuracy test weights

F1 Class

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General application test weights

F2 Class

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Customer Support

24 X 7 X 365

Secured Payment

100% Secure Money

Easy Returns

No question asked!

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Orders Over ₹ 75,000

Accessories

Weight Accessories

Tweezers, forceps, weight boxes, and handling tools for precision laboratories.

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Our Ahmedabad metrology team responds within 2–4 business hours.

Working Hours: Mon - Sat / 9:30 AM - 5:30 PM

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