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The MITUTOYO 573-721-20 is a steel-body electronic caliper designed for precise inside-jaw measurements in professional metrology and quality-control applications. It features SPC (Statistical Process Control) data output, allowing real-time measurement data to be transmitted directly to a compatible data collection system or SPC software for process analysis. The IP67 rating provides full protection against dust ingress and temporary immersion in water, making it suitable for use in shop-floor environments where coolant, chips, and debris are present. Both the caliper body and jaws are constructed from steel for durability and long-term dimensional stability. This tool is not pre-calibrated to a traceable certificate at the point of sale.
The 573-721-20 is suited for inside-dimension measurements in manufacturing, machining, quality assurance, and inspection workflows. Its SPC output supports integration into statistical measurement programs used in production environments. The IP67 environmental rating makes it a practical choice for machine-shop floors, toolrooms, and production lines where moisture and particulate exposure are common. Licensed metrology technicians, machinists, and quality control inspectors are the primary users of this instrument.
Designed as an OEM-specification electronic caliper compatible with SPC-enabled data collection interfaces and cables supporting the standard Mitutoyo SPC output protocol.
Handle and store precision measuring instruments away from magnetic fields, direct sunlight, and extreme temperature changes to maintain calibration integrity. Before use, verify the caliper zeroes correctly on a known reference and confirm the SPC cable connection is secure. Periodic calibration against traceable standards is recommended per your facility's quality management requirements. Inspection and recalibration should be performed by a qualified metrology technician.
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