Portable Digital Densitometer DT-100 Characteristic: Handy portable type densitometer High Accuracy±0.03 D No warm-up time Program Mode for custom calibration 2 2 Extremely wide light range of between 650 Cd/m and 320 000 Cd/m 2 2 Extremely wide light range of between 650 Cd/m and 320 000 Cd/m Light illuminated 4 digit LCD display with low battery indicator Long life due to its low power consumption Rugged design, whole alloy aluminium USB connect to PC for calibration - New Added