Fowler 54-554-623-0 Inside Electronic Caliper Gage

Product Description

The FOWLER 54-554-623-0 is an inside electronic caliper gage designed to measure internal dimensions from 0.4 to 1.2 inches. It delivers a resolution of 0.0005 inches and an accuracy of 0.0008 inches (0.0200 mm), making it well-suited for precision measurement tasks in the shop or field. The gage is powered by a 357 battery and features an electronic display for fast, direct readings. It ships with a protective case. This tool is used by machinists, HVAC technicians, plumbers, and other trade professionals who need reliable inside diameter measurements.

The 54-554-623-0 is applied wherever internal bore or opening measurements are required, including pipe fittings, valve seats, bearing housings, and similar components encountered in mechanical, HVAC, and plumbing service work. The 35 mm leg length makes it practical for shallow internal features. It is suited for both bench use and field service environments where a compact, battery-powered inside measurement tool is needed.

Key Features

• Measurement range: 0.4 to 1.2 inches for inside dimensions
• Resolution of 0.0005 inches for fine measurement work
• Accuracy of 0.0008 inches (0.0200 mm)
• 35 mm leg length for access into shallow internal features
• Powered by a 357 battery - a widely available watch-style cell
• Includes a protective carrying case

Compatibility

Designed as a general-purpose inside electronic caliper gage for any application requiring internal dimension measurement in the 0.4 to 1.2 inch range. No specific system or model compatibility is stated by the manufacturer for this gage.

Installation Notes

Inside caliper gages require no installation but should be zeroed before use according to the manufacturer procedure. Keep the measuring faces clean and free of debris to maintain accuracy. Store in the included case when not in use to protect the measuring surfaces and electronic components. Battery replacement uses a standard 357 cell.