Spi 40-198-4 Pocket Microscope 25x Monocular

Product Description

The SPI 40-198-4 is a compact pocket microscope designed for field inspection and close-up examination tasks. It delivers a fixed 25x magnification through a monocular eyepiece, making it a practical handheld tool for tradespeople and technicians who need a portable optical instrument on the job. At 0.05 pounds, the unit is light enough to carry in a tool bag or shirt pocket. It suits applications where a full-size bench microscope is impractical and a quick, accurate visual check is needed on threads, surfaces, welds, or component markings.

The 40-198-4 is well suited for use in the field or on the shop floor. Electricians can inspect conductor surfaces and terminal conditions. Plumbers and HVAC technicians can check thread integrity on fittings and valve seats. Pool and mechanical service pros can examine O-ring wear, corrosion pitting, or small component details without returning to a shop. The single fixed magnification keeps operation straightforward, with no adjustment required to reach the working magnification level.

Key Features

• Fixed 25x magnification for consistent, repeatable close-up inspection
• Monocular eyepiece design for single-eye use in tight or bright environments
• Pocket-sized and lightweight at 0.05 pounds for easy portability
• No power source required — fully optical, ready to use immediately
• Sold individually, one unit per package

Compatibility

Designed as a general-purpose handheld optical inspection tool suitable for trade and light industrial use across HVAC, plumbing, electrical, and mechanical service applications.

Installation Notes

No installation is required for this handheld optical tool. Keep the lens clean and free of debris before use to ensure a clear viewing field. Avoid contact between the eyepiece lens and abrasive surfaces. Store in a protective case or pouch when not in use to prevent lens scratching.