Fowler 54-554-625-0 Inside Electronic Caliper Gage

Product Description

The FOWLER 54-554-625-0 is an inside electronic caliper gage designed for precise internal diameter measurement in the 1.2 to 2 inch range. It delivers a resolution of 0.0005 inch and an accuracy of 0.0008 inch, making it suitable for close-tolerance inspection work in machine shops, HVAC, plumbing, and general mechanical trades. The digital readout eliminates interpolation error common with analog gages. Powered by a 357 battery and supplied with a protective case, this gage is ready for bench or field use where repeatable inside-diameter readings are required.

This gage is used for measuring internal dimensions such as pipe bores, valve seats, cylinder openings, and machined housings. It is appropriate for residential and commercial trade applications where internal diameters must be verified against specification before assembly or during quality inspection. The 80 mm leg length accommodates a practical range of bore depths. Machinists, pipefitters, and quality control technicians are the primary users of this type of instrument.

Key Features

• Measurement range: 1.2 to 2 inches for inside diameter applications
• Resolution of 0.0005 inch for fine measurement discrimination
• Accuracy of 0.0008 inch suitable for close-tolerance inspection
• 80 mm leg length provides access to a range of bore depths
• Powered by a 357 battery for easy field replacement
• Includes a protective carrying case for storage and transport

Compatibility

Designed as an OEM-style inside caliper gage for general internal diameter measurement tasks across mechanical, plumbing, and industrial trade applications.

Installation Notes

This gage is a precision measurement instrument, not an installed component. Handle with care to avoid shock damage that can affect calibration. Before use, zero the gage according to the manufacturer procedure and verify with a known standard if critical tolerances are involved. Store in the included case when not in use to protect the contact surfaces and electronics.