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Mitutoyo 500-197-30 Digital Caliper
The Mitutoyo 500-197-30 is an industry-standard 0–200 mm (0–8 inch) Absolute Digimatic digital caliper equipped with Mitutoyo’s patented Advanced Onsite Sensor (AOS) electromagnetic induction technology. Offering 0.01 mm (0.0005 in) resolution, 4-way measurement capability, and permanent absolute origin retention that eliminates repetitive zero-setting, it delivers dependable, workshop-grade precision for CNC machining, quality inspection, and toolmaking.
Features & Benefits
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Extended 0 to 200 mm (0 to 8 in) Measuring Span: Accommodates larger turned parts, milled workpieces, flanges, and die castings that exceed standard 150 mm calipers.
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Patented AOS Induction Sensor: Advanced Onsite Sensor uses electromagnetic induction to ensure dependable measurement tracking even in oily, wet, or dusty machining environments.
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ABSOLUTE Linear Encoder Technology: Automatically restores the calibrated origin upon power-up, eliminating repetitive zero-setting and overspeed errors.
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4-Way Precision Measurement: Finely lapped measuring surfaces accommodate external jaws, internal nibs, step faces, and a rear rectangular depth blade.
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High-Visibility 9 mm LCD Readout: Oversized digital digits allow fast reading in low-light workshop conditions with instant inch-to-millimeter unit switching.
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Long 18,000-Hour Battery Life: Ultra-low current consumption design provides up to 3.5 years of continuous standard operation on a single SR44 silver-oxide button cell.
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Hardened Stainless Steel Main Beam: Heavy-duty lapped slider tracks and hardened jaws deliver smooth travel and long-term wear resistance.
Description
Engineered to deliver extended dimensional inspection capabilities on factory floors and metrology labs, the Mitutoyo 500-197-30 expands the measuring capacity of the standard Series 500 family up to 200 mm (8 inches). It incorporates Mitutoyo’s patented electromagnetic induction AOS (Advanced Onsite Sensor) technology, shielding the linear encoder from environmental contamination such as water droplets, machine oils, coolant spray, and airborne dust that typically trigger overspeed errors or erroneous digital jumps in conventional capacitive calipers.
Specifications
| Specification Attribute | Details / Values |
| Brand / Manufacturer |
Mitutoyo Corporation |
| Model / MPN |
500-197-30 |
| Product Series |
Series 500 Absolute Digimatic Calipers (AOS Type) |
| Product Category |
Precision Handheld Digital Vernier Caliper |
| Measurement Range |
0 to 200 mm / 0 to 8 inches |
| Resolution | 0.01 mm / 0.0005 in |
| Instrument Accuracy | $\pm 0.02\text{ mm}$ / $\pm 0.001\text{ in}$ (Excluding quantizing error of $\pm 1$ count) |
| Repeatability | 0.01 mm / 0.0005 in |
| Sensor Type | Advanced Onsite Sensor (AOS) Electromagnetic Induction Type |
| Scale / Measuring Type | ABSOLUTE Electrostatic / Induction Linear Encoder |
| Display Type | High-contrast multi-character LCD (character height: 9.0 mm) |
| Max Response Speed | Unlimited (eliminates overspeed tracking errors) |
| Functions | Origin-Set, Zero-Setting (INC mode), in/mm conversion, Low Battery Alarm |
| Depth Measuring Bar | Rectangular blade ($16 \times 3.5\text{ mm}$) |
| Slider Operation | Thumb roller fitted (smooth manual sliding action) |
| Material | Hardened, ground stainless steel beam and measuring jaws |
| Data Output Port | None (Dedicated standalone non-SPC model) |
| Power Source & Battery Life | 1× SR44 silver-oxide cell (Part No. 938882); Approx. 3.5 years under standard use (18,000 hours) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Net Weight | Approx. 198 g (0.44 lbs) |
| In The Box / Standard Accessories |
Mitutoyo 500-197-30 Caliper, SR44 Battery, Fitted Heavy-Duty Plastic Hard Case, Manufacturer Inspection Certificate, User Manual |
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