In stock
SKU: 107620601
Regular price $90.00

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Technical Documents 

User Manuel


Product Description

INSIZE 3108 Digital Outside Micrometers - Precision Measuring Tools

INSIZE presents the 3108 series of Digital Outside Micrometers, renowned for their precision and reliability. These micrometers come in two variants: the 3108-25A with a range of 25mm and the 3108-50A with a range of 1-2″/25-50mm. Both variants are manufactured in China and uphold the quality standards synonymous with the INSIZE brand.

Manufacturer's Code: 3108 Series

COO (Country of Origin): China

Products Specifications


The INSIZE Metric Waterproof Digital Outside Micrometers with No Data Output and Ratchet Stop are precision measuring instruments designed for accuracy and durability. These micrometers are equipped with features that make them versatile and reliable in various measurement applications. Below are the specifications for the two variants, 3108-25A and 3108-50A:

Feature 3108-25A 3108-50A
Range 0-1″/0-25mm 1-2″/25-50mm
Accuracy +/-2um +/-2um
L (Length of Micrometer Head) 34.5mm 59.5mm
a 6mm 8mm
b 25mm 32mm
C 3mm 3mm
Resolution 0.001mm/0.00005″ 0.001mm/0.00005″
IP Rating IP65 (dust/waterproof) IP65 (dust/waterproof)
Button Functions on/off, set, mm/inch, ABS/INC on/off, set, mm/inch, ABS/INC
Data Output Yes Yes
Automatic Power Off Yes Yes
Measuring Faces Carbide Carbide
Spherical Anvil Yes Yes
Setting Standards Included (except 0-25mm/0-1″) Included (except 0-25mm/0-1″)

These micrometers provide precise and efficient measurements, making them essential tools for various industrial and engineering applications.


At our store, we provide two shipping options to meet your needs. Our standard courier delivery ensures delivery within 2 days, offering an efficient and cost-effective choice.

For those requiring even faster service, we offer a same-day express delivery option for orders placed before 10 am and only to specified districts. We prioritize timely and reliable delivery to enhance your shopping experience.

Enjoy peace of mind with our 1-year warranty on spare parts and maintenance for all our products. In the event of a defect affecting the functionality of your purchase, we'll repair or replace the necessary parts. Please be aware that certain expenses may apply to the buyer, and we do not cover issues resulting from electrical fluctuations or voltage variations. For comprehensive details, you can expand and review our full Warranty Terms and Conditions in the customer help center.