| Specification | Details |
|---|---|
| Brand | INSIZE |
| Model | 3591-75A |
| Product Type | Digital Gear Tooth Micrometer |
| Measuring Range | 50–75 mm / 2–3" |
| Resolution | 0.001 mm / 0.00005" |
| Accuracy | ±5 µm |
| Measurement Type | Gear Over-Pin Diameter |
| Display | Digital |
| Data Output | Yes |
| Protection Rating | IP65 Dust / Water Protection |
The INSIZE 3591-75A 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 50–75 mm / 2–3" measuring range, 0.001 mm / 0.00005" resolution, and ±5 µm accuracy, making it suitable for detailed gear dimensional inspection. The micrometer features a digital display, ratchet stop, automatic power-off function, data output interface, and IP65 dust and water protection. A setting standard is supplied, while compatible 7391 ball tips are available separately.
Key Features
1. 50–75mm Measuring Range
The 3591-75A provides a 50–75 mm / 2–3" measuring range, making it suitable for checking 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 detailed dimensional readings for gear inspection, machining, and quality-control applications.
3. ±5µm Accuracy
INSIZE specifies ±5 µm accuracy for the 3591-75A. This provides suitable precision for gear inspection and manufacturing applications where accurate and repeatable measurement is required.
4. Digital Display & Data Output
The 3591-75A includes digital measurement functions with mm/inch selection, ABS/INC measurement, setting functions, and data output. Its data interface can be used with compatible data-output accessories for measurement-management applications.
5. IP65 Protection & Ratchet Stop
The micrometer features IP65 dust and water protection and an integrated ratchet stop for controlled measuring force. Automatic power-off helps conserve battery power during regular use.
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