


Mitutoyo 516-499-24 | Step Master with JCSS Certificate | Series 516 | Ceramic | Step 300, 100, 50, 20µm | Mass 0.14 kg
The Mitutoyo 516-499-24 Step Master is a high-precision gauge designed for ultra-fine vertical calibration tasks, such as aligning optical instruments or verifying the Z-axis of coordinate measuring machines (CMMs). This model offers four incremental steps of 300 µm, 100 µm, 50 µm, and 20 µm, constructed from high-precision ceramic blocks. Each adjacent step is calibrated to a resolution of 0.01 µm using an interferometer with an accuracy tolerance of ±0.20 µm, ensuring exceptional accuracy. The device is delivered in a wooden case with a JCSS (Japan Calibration Service System) calibration certificate, verifying its traceability to national standards. Weighing only 0.14 kg, it is lightweight and easy to handle.

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- Specifications
- Features
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Height | Block step: 300, 100, 50, 20 µm |
Inch-Metric | Metric |
Mass (main unit) | 0.14 kg |
Material | Ceramic |
Series | 516 |
Type | Step Master with JCSS Certificate |
- Precision Calibration: Provides four precise height increments—300 µm, 100 µm, 50 µm, and 20 µm—ideal for fine adjustments and calibrations.
- High-Resolution Measurement: Each step is calibrated to a resolution of 0.01 µm using an interferometer, ensuring exceptional accuracy.
- Traceable Certification: Comes with a JCSS calibration certificate, verifying traceability to national standards.
- Durable Construction: Made from high-precision ceramic blocks, offering durability and long-term reliability.
- Compact and Lightweight: Weighs only 0.14 kg, making it easy to handle and transport.
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