Fowler 54-101-175-0 Poly-Cal Electronic Caliper, 0-6”


The Fowler 54-101-175-0 Poly-Cal digital caliper is a compact, lightweight, and easy-to-use tool for quick measurements. It can measure inside and outside diameters, depth, and step dimensions in inches or millimeters.

Add 5-7 days for calibration

Product Description

The Fowler 54-101-175-0 Poly-Cal digital caliper is a compact and lightweight instrument that offers accuracy and value. It measures inside dimensions (ID), outside dimensions (OD), depth, and step measurements. The easy-to-read display allows the user to convert between inch and metric readings.

Another great feature of this caliper is its polycarbonate frame. Strong enough to withstand everyday use and light enough to fit comfortably in your hand. This affordable, durable tool comes with two batteries and a vinyl pouch to take anywhere.

54-101-175-0 Features

  • Resolution: 0.0005″/0.01mm (Fractions by 1/64″ increments)
  • Absolute/Incremental measurement for intermediate or differential measurements
  • Direct inch/metric/fraction conversion
  • Zero-setting
  • 4-way measuring: inside dimensions (ID), outside dimensions (OD), depth, and step measurements
  • Lightweight Polycarbonate frame
  • Large easy-to-read display
  • Supplied with clip-on vinyl pouch and two batteries
  • Polycarbonate frame
  • Accuracy ± 0.008″/0.2mm


  • 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.

1-Year Warranty for Hand Tools

Fowler provides a 12-month warranty for defects in quality or materials on hand tool products sold in the United States, Canada, and Mexico. 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

Learn more at

Additional Information

Weight 1 lbs
Dimensions 12 × 6 × 2 in
Range (in)


Range (mm)


Resolution (in)


Resolution (mm)


Repeatability (in)


Repeatability (mm)



LCD (7.0 mm high)




3V, CR2032 Lithium Battery #54-100-350-0

Working Temperature

0°C to +40°C

Measuring System


Max. Relative Humidity


Operation Type

Electronic/ Digital




Internal, External, Depth, Step


On/Off; Zero; Inch/mm; Abs/Inc; Hold; RS232 Data Output

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