
| Specification | Details |
|---|---|
| Brand | INSIZE |
| Model | 3591-25A |
| Product Type | Digital Gear Tooth Micrometer |
| Measuring Range | 0–25 mm / 0–1" |
| Resolution | 0.001 mm / 0.00005" |
| Accuracy | ±4 µm |
| Measurement Type | Gear Over-Pin Diameter |
| Display | Digital |
| Data Output | Yes |
| Protection | IP-rated Dust/Water Protection |
| Operation | Digital / Mechanical |
The INSIZE 3591-25A Digital Gear Tooth Micrometer is a precision digital measuring instrument designed for measuring the over-pin diameter of gears during gear manufacturing, machining, inspection, and quality-control operations. It provides a 0–25 mm / 0–1" measuring range, ultra-fine 0.001 mm / 0.00005" resolution, and ±4 µm accuracy, making it suitable for detailed gear dimensional inspection. The micrometer features a ratchet stop, digital display, automatic power-off function, and data output interface for convenient measurement management. Its IP-rated dust and water protection makes it suitable for demanding machine-shop and inspection environments.
Key Features
1. 0–25mm Measuring Range
The 3591-25A provides a 0–25 mm / 0–1" measuring range, making it suitable for measuring compatible gear dimensions and over-pin diameters during gear manufacturing and inspection.
2. Ultra-Fine 0.001mm Resolution
The digital micrometer provides 0.001 mm / 0.00005" resolution, allowing users to take highly detailed dimensional readings for gear inspection, machining, and quality-control applications.
3. ±4µm Accuracy
INSIZE specifies ±4 µm accuracy for the 3591-25A. This precision makes the instrument suitable for gear inspection and manufacturing applications where accurate and repeatable measurement is required.
4. Digital Display & Data Output
The 3591-25A includes a digital measurement system with mm/inch selection, ABS/INC functionality, preset/set functions, and data output. The data interface allows measurements to be transferred to compatible data-management systems using suitable accessories.
5. Ratchet Stop & Dust/Water Protection
The integrated ratchet stop helps maintain controlled measuring force for repeatable readings. The 3591 series is designed with dust and water protection, while automatic power-off helps conserve battery power during use.
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