MITUTOYO-SERIES 406-DIGIMATIC STRAIGHT LINE MICROMETER OUTSIDE MICROMETER

Name: MITUTOYO-SERIES 406-DIGIMATIC STRAIGHT LINE MICROMETER OUTSIDE MICROMETER
Brand: MITUTOYO
SKU: 406-250-30

Code:

Non-rotating spindle. Equipped with Ratchet Stop for constant measuring force. Metric Order No. Range Resolution Accuracy* Flatness Parallelism 406-250-30 0 – 25mm 0.001mm ±3µm 0.3µm 3µm 406-251-30 25 – 50mm 406-252-30 50 – 75mm 406-253-30 75 – 100mm ±4µm 4µm * Excluding quantizing error Inch/Metric Order No. Range Resolution Accuracy* Flatness Parallelism 406-350-30 0 –

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MITUTOYO-SERIES 406-DIGIMATIC STRAIGHT LINE MICROMETER OUTSIDE MICROMETER

Product Overview

The Mitutoyo-Series 406 Digimatic Straight Line Micrometer Outside Micrometer is a precision digital measuring instrument designed for accurate external dimension verification. Equipped with a non-rotating spindle and a ratchet stop mechanism, this instrument delivers consistent, repeatable measuring force for reliable quality control and dimensional inspection tasks.

Key Features & Capabilities

Non-Rotating Spindle: Eliminates torque on the workpiece surface during measurement to prevent scratching and ensure high precision.
Ratchet Stop Mechanism: Ensures constant and uniform measuring force across repeated applications.
Digital LCD Readout: Provides clear measurement data down to a high-resolution limit.

Technical Specifications

Metric Models

Order No.	Range	Resolution	Accuracy*	Flatness	Parallelism
406-250-30	0 – 25mm	0.001mm	±3µm	0.3µm	3µm
406-251-30	25 – 50mm	0.001mm	±3µm	0.3µm	3µm
406-252-30	50 – 75mm	0.001mm	±3µm	0.3µm	3µm
406-253-30	75 – 100mm	0.001mm	±4µm	0.3µm	4µm

\ Excluding quantizing error*

Inch/Metric Models

Order No.	Range	Resolution	Accuracy*	Flatness	Parallelism
406-350-30	0 – 1"	.00005" / 0.001mm	±.00015"	.000012"	.00012"
406-351-30	1" – 2"	.00005" / 0.001mm	±.00015"	.000012"	.00012"
406-352-30	2" – 3"	.00005" / 0.001mm	±.00015"	.000012"	.00012"
406-353-30	3" – 4"	.00005" / 0.001mm	±.0002"	.000012"	.00016"