Spi 25-371-6 Electronic Depth Gage 0-22 in Steel

Product Description

The SPI 25-371-6 is a steel electronic depth gage designed for precise depth, step, and slot measurements across a range of 0 to 22 inches. It delivers a resolution of 0.0005 inches and an accuracy of 0.001 inches, making it well suited for machining, fabrication, and quality-control applications where tight tolerances matter. The 4-inch base distributes contact evenly across the workpiece surface for stable, repeatable readings. Power comes from a 3V CR2032 battery. The gage is finished in gray and constructed from steel for durability in shop environments. Machinists, toolmakers, quality technicians, and precision fabricators are the primary users.

This depth gage is used in machine shops, tool rooms, fabrication facilities, and inspection departments. It is suited for measuring bore depths, counterbore depths, slot depths, and step heights on metal, plastic, and composite workpieces. The 22-inch range makes it practical for larger workpieces or deeper bores beyond the reach of standard short-range depth gages. It is a hand-tool application requiring no fixed mounting and no external power supply beyond the included battery.

Key Features

• Range of 0 to 22 inches with digital electronic readout
• Resolution of 0.0005 inches for fine measurement discrimination
• Accuracy rated at 0.001 inches
• 4-inch base length for stable contact and reduced rocking error
• Steel construction for shop durability
• Powered by a standard 3V CR2032 battery

Compatibility

Designed as a general-purpose electronic depth gage for use with standard depth gage extension rods and flat-base depth measurement setups common in machine shop and inspection environments.

Installation Notes

No fixed installation is required. Zero the gage on a flat reference surface before use per standard metrology practice. Keep the base and rod free of chips and debris to avoid measurement error. Avoid submersion or prolonged exposure to coolant, as this unit carries no water resistance rating.