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The SPI MS220708249 is a large-range electronic caliper built for precision measurement in demanding shop and field environments. It measures up to 18 inches using stainless steel construction throughout the beam and jaws, delivering durability and corrosion resistance. The caliper features SPC data output, making it compatible with statistical process control systems for direct data capture during inspection workflows. Fine-adjustment wheel control allows precise jaw positioning. Licensed metrology technicians, machinists, and QC inspectors use this tool for both inside diameter and outside measurement tasks. A single CR2032 lithium battery powers the unit, which ships with battery included.
This caliper is suited for precision measurement applications in manufacturing, fabrication, and quality control environments. The outside jaw style handles external measurements while the included inside diameter jaws extend its range to internal bore and feature measurement. With an overall length of 24.6 inches and a jaw length of 3.9375 inches, it covers large-format workpieces that smaller 6-inch or 12-inch calipers cannot reach. It meets ASME B89.1.14 standards for dimensional measurement tools, making it appropriate for regulated inspection environments and calibrated-tool programs.
Designed as a standalone precision measurement instrument compatible with SPC data collection systems and software that accept standard digital caliper output signals. No specific system model compatibility was stated by the manufacturer for this SKU.
No installation is required for handheld calipers. Before use, verify the jaw faces are clean and free of debris, then zero the tool with jaws fully closed. Handle stainless steel measuring faces carefully to avoid nicks or burrs that affect measurement accuracy. Battery replacement requires a CR2032 lithium coin cell; follow standard ESD precautions when handling the battery compartment near sensitive electronics.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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