1kg OIML M1 Stainless Steel Knob Test Mass – Class 2
Part Number: CM1-SS-K01
The CM1-SS-K01 is a precision-crafted 1kg Stainless Steel Test Mass designed in a knob-style configuration for easy handling and consistent accuracy. Manufactured to meet OIML M1 Class 2 standards, it features a tight tolerance of ±33mg, making it suitable for calibrating and verifying precision balances and laboratory scales.
🔍 Key Features & Benefits
- Nominal Weight: 1 kilogram
- Material: High-quality polished stainless steel (non-magnetic and corrosion-resistant)
- Design: Knob-style for ergonomic handling and secure placement on weighing pans
- Class: OIML M1 – Class 2 accuracy
- Tolerance: ±33 milligrams
- Use Case: Ideal for use in laboratories, quality control environments, and applications requiring high-accuracy calibration
🧪 Optional QA Calibration Available
A QA Calibration Certificate can be added at the time of purchase to ensure traceability and compliance with industry standards. Please allow up to 5 business days for calibration service completion.
Ensure consistent, precise calibration performance with the CM1-SS-K01 1kg Stainless Steel OIML M1 Knob Test Mass—a reliable standard for any high-accuracy weighing application.



