1. Large display shows choice of single, 3-color or 4-color density values 2. Density references to store shop or customer specs & see if density changes are needed3. Features high-impact materials for reliability and an industry-leading 3 year warranty 4. Upgrade via keycode to add dot area, trap, color or spectral data 5. Only X-Rite lets you select a measurement aperture - microspot 1.6 x 3.2mm, small 2.0mm, medium 3.4mm or large 6.0mmAn Affordable Solution For Monitoring Basic Color PrintingThe X-Rite 504 Spectrodensitometer brings the newest color control technology to a low-cost instrument designed specifically to monitor basic color reproduction processes. It calculates the most common density and density difference functions for highly accurate results every time.The 504 Handles Your Basic Pressroom NeedsThe 504s low cost and convenience make it the perfect instrument for monitoring basic 2- and 3-color printing processes in commercial, packaging, and newspaper printing. The 504 goes wherever its needed on the pressroom floor. It calculates each measurement quickly and accurately. Plus, a special news mode optimizes newsprint measurements. All these features improve your bottom line by maximizing efficiency and precision.The 504 Is Ideal For Color CalibrationBecause it excels everywhere density data is needed, the 504 also works great for calibrating digital output devices like color copiers, proofers and printers.