VACUUM INDICATOR
Parameter Example specification Device name Vein Finder / Vein Viewer Intended purpose Visualization of subcutaneous veins Operating principle Near-infrared light (NIR) Light wavelength 750–950 nm Vein detection depth Up to 8 mm Projected image resolution 854 × 480 pixels Image refresh rate 60 frames/s Minimum detectable vein diameter 0.4 mm Optimal working distance 200 ± 20 mm Projection sizes Large, medium, small and extra small Light brightness Adjustable at 4 levels Image modes Normal, enhanced, depth mode Battery Built-in, rechargeable Battery operating time At least 2.5 hours Power supply 100–240 V AC, 50/60 Hz adapter Weight Approximately 480 g Dimensions Approximately 220 × 65 × 65 mm Mounting Handheld, desktop or with a mobile stand
