Fowler 54-100-444-1 Ultra-Cal VI Proximity Electronic Caliper, 0-6”/0-150mm

Original price was: $206.38.Current price is: $183.00.

The Fowler 54-100-444-1 Ultra-Cal VI Electronic Caliper is a top-of-the-line caliper that offers accuracy and ease of use. It is the best caliper made by Fowler, and it comes with a 5-year warranty.

Add 5-7 days for calibration

Product Description

The Fowler 54-100-444-1 Ultra-Cal VI Electronic Caliper has a 0-6″ measuring range and four measuring capabilities, making it an incredibly versatile tool. It has an 0.0008″/.02mm accuracy, and it comes with an inch-metric conversion feature. With a knurled lock, this caliper holds its reading securely until you’re ready to measure again. And the hold feature freezes the display for later viewing.

54-100-444-1 Features

  • IP67 protected against fluid and dust
  • Available with or without Bluetooth
  • Resolution: 0.0005″/0.01mm
  • Absolute/Incremental measurement
  • Heavy duty frame, 3.5mm
  • Extra large display
  • NOW available with ISO Cert
  • 12″/300mm has no depth rod
  • 4-way measuring: inside dimension (ID), outside dimensions (OD), depth, and step measurements
  • Inch-metric conversions
  • Temperature range 5 to 40C˚ working; -20 to 60C˚ in storage
  • Hardened stainless steel construction
  • Zero setting
  • REL and ABS functions
  • Features Absolute/Relative Measuring Modes
  • Set includes a manual and a fitted case for storage


  • Industrial
  • Manufacturing
  • Metalworking
  • Mechanical Engineering
  • Construction
  • Carpentry


  • Measure the internal diameter of an object
  • Measure the thickness of an object
  • Measure depths of holes, grooves, and slots
  • Measure the distance between two points on an object
  • Ensure parts meet specifications

About Fowler High Precision

Fowler High Precision specializes in high-quality precision tools made to the exact standards of their customers. Since 1946, they have had a track record of innovation and excellence in metrology. Now, Fowler manufactures a wide range of products, from hand tools to 3D measuring. Their mission is to make measurement easy for all.

Lifetime Warranty

Fowler’s Lifetime Warranty for hand tools is a direct result of their commitment to providing the most accurate, dependable, and best-made hand tools on the market. You must buy hand tools products from Fowler High Precision or an authorized Fowler distributor to qualify. Fowler reserves the right to require proof of purchase and/or a completed purchaser warranty registration for any warranty claim. To be valid, complete the Warranty Registration within 30 days after the original purchase online at

Additional Information

Weight 1 lbs
Dimensions 10.5 × 4 × 1 in
Range (in)


Range (mm)


Resolution (in)


Resolution (mm)



10µm / .0005’’

Display Refresh Rate

> 10/ sec

Data Output




Battery Life


Working Temperature

+5° to +40°C (-10° to +60°C)

Measuring System

Sylvac system patented

IP Rating


Operation Type

Electronic/ Digital


Inch/ Metric


Internal, External, Depth, Step

Maximum Error


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