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Digital Caliper

Model: 20-F

  • $19.98




IP54 Waterproof

Measurement Accuracy

0.001 inch






Kynup Digital Caliper: Comprehensive Review

Accurate measurements are crucial in a variety of tasks, from DIY projects to professional engineering. The Kynup Digital Caliper is a tool designed to provide precise measurements with ease. This digital caliper promises high accuracy, user-friendly features, and versatility, making it a popular choice among hobbyists and professionals alike. In this blog, we will explore the features, pros and cons, and customer reviews of the Kynup Digital Caliper to help you determine if it meets your measurement needs.

Product Overview

The Kynup Digital Caliper is a precision measuring tool made from stainless steel, designed to measure internal and external dimensions, depths, and steps. It features a large LCD display for easy reading, a measurement range of 0-6 inches (0-150mm), and an accuracy of ±0.001 inches (±0.02mm). The caliper can switch between inches, millimeters, and fractions, providing flexibility for different measurement preferences. Additionally, it comes with an auto-off function to preserve battery life.


  • High Accuracy and Precision: With an accuracy of ±0.001 inches (±0.02mm), the Kynup Digital Caliper ensures precise measurements, which is essential for detailed work.

  • Stainless Steel Construction: The durable stainless steel build provides longevity and resistance to wear, making it suitable for both indoor and outdoor use.

  • Large LCD Display: The easy-to-read LCD display shows measurements clearly, reducing the likelihood of errors and eye strain.

  • Versatile Measurement Modes: The ability to switch between inches, millimeters, and fractions makes this caliper versatile for various projects and user preferences.

  • Auto-Off Function: The auto-off feature helps save battery life, ensuring the caliper is ready for use when needed.

  • Easy Calibration: The caliper can be zeroed at any point along the scale for incremental measurement, providing flexibility in use.


  • Battery Life: While the auto-off feature helps, some users have noted that the battery life could be improved. Regular use may require frequent battery changes.

  • Display Visibility in Low Light: The LCD display lacks a backlight, which can make it difficult to read measurements in poorly lit conditions.

  • Calibration Needs: A few users have mentioned that the caliper occasionally requires recalibration to maintain accuracy, which can be an inconvenience.

  • Plastic Components: Some internal components are plastic, which might raise concerns about long-term durability for heavy-duty use.

Customer Reviews

The Kynup Digital Caliper has garnered positive feedback from users, with an average rating of 4.5 out of 5 stars on Amazon. Here’s a summary of what customers are saying:

Positive Feedback:

  • Accuracy and Precision: Many users praise the caliper for its high accuracy and reliable measurements, essential for precise work in various applications.

  • Ease of Use: Customers appreciate the straightforward operation and the clear, large LCD display, making it user-friendly even for beginners.

  • Versatility: The ability to switch between different measurement units is frequently mentioned as a valuable feature, catering to diverse project needs.

  • Build Quality: The stainless steel construction receives positive remarks for its durability and professional feel.

Constructive Criticism:

  • Battery Life: Some users report that the battery life is shorter than expected, suggesting the need for keeping spare batteries on hand.

  • Display Issues: A few customers have found the display hard to read in low-light environments due to the lack of a backlight.

  • Calibration Frequency: There are occasional mentions of the need for frequent recalibration, which some users find inconvenient.

  • Plastic Parts: While the overall build quality is praised, a few users express concerns about the durability of the plastic internal components.


The Kynup Digital Caliper stands out as a reliable, accurate, and versatile measuring tool suitable for a wide range of applications. Its high precision, durable stainless steel construction, and user-friendly features make it a valuable addition to any toolkit. While it has some minor drawbacks, such as battery life and the need for occasional recalibration, the overall performance and positive customer reviews highlight its effectiveness and value. If you need a dependable digital caliper for precise measurements, the Kynup Digital Caliper is a strong contender worth considering.

Additional Info:

【STAINLESS STEEL MATERIAL】The vernier caliper is made of high-strength stainless steel and is waterproof and dirt-proof. The service life of this stainless steel digital caliper is longer than that of calipers with plastic or carbon fiber parts. Powered by battery, comes with a pre-installed battery and 2 spare batteries for gift.

  • 【ACCURATE MEASUREMENT AND ZERO SETTING】This digital caliper glides smoothly. Measuring range: 0 -6" / 0-150mm; Accuracy: ± 0.001"/ 0.02mm; Resolution: 0. 0005"/0. 01mm. At the same time, the smart design allows you to easily reset to zero by pressing a button and start a new measurement at any point on the scale, which is very suitable for differential measurement.

  • 【4 MEASUREMENT MODES】The digital caliper has 4 measurement modes, which can be used to measure inside and outside diameter, depth, and step with two sets of jaws and a probe. Multiple measurement modes can bring more usage scenarios to people, and the measurement process is also very convenient.

  • 【UNIT CONVERSION & LARGER LCD SCREEN】These Digital Calipers have a one-key button to quickly switch from inches (inch), fractions (F), millimeters (mm). The 6" digital caliper has a large, easy-to-read LCD DISPLAY which is easy to use and read even under strong sunlight. It will automatically turn off after 5 minutes of non-use to save power.

  • 【Wide Applications】 Compared to the ordinary rulers, this stainless steel caliper can measure not only length but also caliber and depth, allows you to measure circular and cylindrical objects, more functions and better performance will satisfy you. It has always been used by professionals and hobbyists alike, jewelers, hobbyists, woodworkers, machinists, DIY, automotive mechanics, and more

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