Model X-Rite 301 Densitometer
Provides highly repeatable and accurate measurement of black and white film densities. large LED numerals can be read easily in bight or dim light.
• Measuring range: 0-50D with2 and 3mm apertures; 0-40D with 1mm aperture.
• Scale factor (slope) stability: ± 1% per 6 months.
• RS232 output (optional).