SPECTRODENSITOMETER ADDITIONAL REQUIREMENTS SEE NOTE COMMERCIAL REFERENCE TECHKON-SPECTRODENS PREMIUM NOTE: – MEASUREMENT RANGE: 400 TO 700 NM WITH 10 NM INTERVAL: – MATERIAL: PLASTIC AND ALUMINUM; – POWER SUPPLY: 100 – 240 V AND 47-63 HZ; – BATTERY RECHARGE: 10,000 MEASUREMENTS; – DIMENSIONS: 62 X 50 X 185 MM; – MEASUREMENT TIME: 1 SEC PER MEASUREMENT, 10 SECONDS IN SCAN MODE.