


Mitutoyo 3109AB-10 | Dial Gauge | Flat Back | ISO Type | Series 3 | Jewelled Bearing | Graduation 0.001 mm | Range 1 mm
The Mitutoyo 3109AB-10 is a high-precision dial gauge engineered for ultra-fine measurement in professional inspection and metrology tasks. It features a flat back design, allowing stable and direct mounting to surfaces or fixtures. As part of the ISO-certified Series 3, it offers a remarkable 0.001 mm graduation and a 1 mm range, making it ideal for detecting minute variations. The jeweled bearing ensures smooth and consistent needle movement for superior accuracy. This gauge is perfect for critical tolerance measurements in labs and quality control departments.

- Specifications
- Features
- Downloads
Contact point | Carbide tipped, thread: M 2.5 x 0.45 mm |
Dial Reading | 0.0-100.0-0.0 |
Digital/Analog | Analog |
Graduation | 0.001 mm |
Hysteresis | 2 µm |
Inch-Metric | Metric |
Mass (main unit) | 255 g |
Measuring Force | 0.4 - 1.5 N |
Measuring range | 5 µm |
Range | 1 mm |
Repeatability | 1.0 µm |
Series | 3 |
Stem Dia | 8.0 mm |
Type | Dial Gauge |
- Type: Dial Gauge with Flat Back, facilitating stable and secure mounting on fixtures.
- Series: Part of Series 3, featuring a large, easy-to-read dial face with a diameter of 78 mm.
- Graduation: 0.001 mm, providing high-resolution measurements suitable for precision tasks.
- Measuring Range: 1 mm, ideal for applications requiring fine measurement accuracy.
- Accuracy: ±0.015 mm, ensuring reliable and consistent measurements.
- Dial Reading: 0-10-0, allowing for clear and straightforward interpretation of measurements.
- Shockproof Design: Equipped with a shockproof mechanism to protect internal components from sudden impacts.
- Jeweled Bearing: Incorporates a jeweled bearing for smooth and precise movement, enhancing durability.
- Measuring Force: 1.5 N or less, minimizing the risk of measurement errors due to excessive force.
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