Products Details

Digital Caliper

GemRed Digital Caliper

Model: 81204-00A Level Tools

Thumb Wheel and Lock Mechanism, Zéro Button Set Any Point to Zéro, Digital Display Reads Inches, Fraction, mm.

Key Features:

  • 1. Thumb Wheel and Lock Mechanism.
  • 2. Zéro Button Set Any Point to Zéro.
  • 3. Digital Display Reads Inches, Fraction, mm.
  • 4. Measures Outside, Inside, Depth, and Step.
  • 5. Low Battery Indicator.


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Place of Origin Guangxi, China
Manufacturer GemRed
Measuring range: 150mm/6″
Working température:  0°C~+50°C
Working humidity: ≤85%RH
Battery: 1XLR44 Batter
IP Grade: IP54 (only for 81204-00 A )

The PrecisionMaster Digital Caliper is a highly accurate and versatile measuring tool, ideal for professionals and hobbyists in fields such as mechanical engineering, metalworking, woodworking, and even for educational purposes in schools and colleges. This digital caliper provides precise measurements of internal and external dimensions, depth, and step measurements with ease and accuracy.

Key Features:

  1. High Precision Measurements: Offers exceptional accuracy with a measuring range up to 6 inches/150mm and accuracy within ±0.001 inches/0.02mm.
  2. Digital LCD Display: Features a large, easy-to-read LCD screen for immediate and clear reading of measurements.
  3. Durable Stainless Steel Construction: Made with high-quality stainless steel, ensuring long-lasting durability and resistance to corrosion.
  4. Versatile Measurement Capabilities: Capable of measuring inside, outside, depth, and step dimensions, making it a multipurpose tool for various applications.
  5. Instant Unit Conversion: Easily switch between inches and millimeters with the touch of a button, accommodating diverse measurement needs.
  6. Zero Setting Function: Allows for differential measuring by setting the current position as a zero point.
  7. Smooth Slide Mechanism: Engineered with a fine-adjustment thumb roller and a locking screw for smooth and precise sliding and stable measurements.
  8. Battery Powered: Comes with a long-lasting battery, ensuring it is ready for use whenever needed.
  9. Automatic Shut-off: Features an auto-off function to conserve battery life, enhancing the tool’s efficiency.
  10. Protective Storage Case: Includes a sturdy case for safe storage and transport, protecting the caliper from dust and damage.


  • Measuring Range: 0-6 inches/0-150mm
  • Accuracy: ±0.001 inches/0.02mm
  • Resolution: 0.0005 inches/0.01mm
  • Power Source: Battery (included)
  • Material: Stainless Steel
  • Dimensions: [specific dimensions]
  • Weight: [specific weight]

Package Contents:

  • PrecisionMaster Digital Caliper
  • Protective Case
  • Battery
  • User Manual


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