| Specification | Details |
|---|---|
| Brand | INSIZE |
| Model | 3508-50 |
| Product Type | Digital Indicating Micrometer |
| Measuring Range | 25–50 mm |
| Micrometer Head Graduation | 0.002 mm |
| Micrometer Head Accuracy | 3 µm |
| Digital Indicator Range | ±0.04 mm |
| Digital Indicator Resolution | 0.2 µm |
| Digital Indicator Accuracy | ±1 µm |
| Repeatability | 0.3 µm |
The INSIZE 3508-50 Digital Indicating Micrometer (Without Data Output) is a precision measuring instrument designed for accurate outside-dimension inspection of components within a 25–50 mm measuring range. It combines a 0.002 mm micrometer head graduation with a 0.2 µm digital indicator resolution, providing detailed dimensional indication for machining, manufacturing, quality control, and engineering applications. The instrument provides digital and analog readings and features an absolute encoder that retains measurement data after power-off. With 3 µm micrometer-head accuracy, ±1 µm digital-indicator accuracy, 0.3 µm repeatability, carbide measuring faces, and IP54 protection, the 3508-50 is suitable for professional precision inspection where electronic data output is not required.
Key Features
1. 25–50mm Measuring Range
The 3508-50 provides a 25–50 mm measuring range, making it suitable for measuring shafts, cylindrical components, precision-machined parts, and other outside dimensions within this range.
2. Fine 0.002mm Micrometer Graduation
The micrometer head features 0.002 mm graduation and 3 µm accuracy, providing detailed mechanical measurement capability for precision inspection applications.
3. 0.2µm Digital Indicator Resolution
The integrated digital indicator provides 0.2 µm resolution, a ±0.04 mm indicator range, ±1 µm accuracy, and 0.3 µm repeatability. This supports sensitive dimensional checking and comparison measurements.
4. Digital & Analog Reading
The 3508-50 provides both digital and analog reading. Its absolute encoder retains the original measurement data after the instrument is switched off, supporting convenient measurement operation.
5. Professional Precision Construction
The micrometer features carbide measuring faces, IP54 protection, a 3 mm measuring stroke, and rechargeable Li-battery operation. It is designed according to DIN 863-3 and does not provide electronic data output.
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