Backlights
Models in the NERLITE LT430 Backlight Series (patent pending) provide sharp contrast to outline a part's shape, find edges and view openings such as drilled holes, allowing for various vision operations. High intensity and uniformity are packed into a low-profile industrial package providing optimal thermal management to the LED's. The "Edge-to-Edge" lighting design of models BL-47x59, BL-71x88, BL-100x100 and BL-50x200 provides the unique ability to mate multiple lights to provide larger illuminated areas. The design of models BL-100x200, BL-150x200 and BL-200x250 puts the emphasis on providing cost effective choices for applications where illuminated area size and uniformity are of chief importance.
NERLITE LT430 Backlights are available in various wavelengths for strobe or continuous duty-cycles, all using industry standard M12 connectors.
Lighting choices include red, white, blue, green and infrared for both continuous and strobed power sources. LED array sizes range from very compact 47x59 mm units up to a 200x250 mm size for larger field of view requirements.
Backlights provide illumination to outline a parts overall shape, minimize visibility of clear housings, and to view openings such as drilled holes. Typical applications are measurement of outside dimensions, location of component mounts (e.g. screw holes), and to measure translucency of various materials.
- High level of uniformity for repeatable machine vision results
- Edge-to-Edge technology on select sizes allows multiple lights to be combined creating larger illuminated areas
- M12 connectors on lights mate with M12-to-flying leads accessory cables for easy connections to power supplies, drivers or advanced controllers
- Low profile backlight solution takes minimal space providing ease of integration within machinery

Specs
Lighting Technique: Diffuse Backlight
LT430 BL 47x59 LED
Active Area: 47 mm x 59 mm (1.85 in. x 2.32 in.)
L x W x H (mm/in.): 58.0 mm x 58.9 mm x 15.2 mm (2.28 in. x 2.32 in. x 0.60 in.)
Mounting: (2) M3 Counter Bores
LT430 BL 71x88 LED
Active Area: 88 mm x 71 mm (3.48 in. x 2.78 in.)
L x W x H (mm/in.): 81.6 mm x 88.3 mm x 15.2 mm (3.21 in. x 3.48 in. x 0.60 in.)
Mounting: (2) M3 Counter Bores
LT430 BL 100x100 LED
Active Area: 100 mm x 100 mm (3.94 in. x 3.94 in.)
L x W x H (mm/in.): 110.9 mm x 100.0 mm x 16.8 mm (4.36 in. x 3.94 in. x 0.66 in.)
Mounting: (2) M3 Counter Bores
LT430 BL 50x200 LED
Active Area: 200 mm x 50 mm (7.87 in. x 1.97 in.)
L x W x H (mm/in.): 200.0 mm x 60.9 mm x 16.8 mm (7.87 in. x 2.40 in. x 0.66 in.)
Mounting: (2) M3 Counter Bores
LT430 BL 100x200 LED
Active Area: 100mm x 200 mm (3.94 in. x 7.87 in.)
L x W x H (mm/in.): 120.0 mm x 260.0 mm x 23.5 mm (4.72 in. x 10.24 in. x 0.93 in.)
Mounting: (4) 4.3 mm [0.17 in.] thru holes
LT430 BL 150x200 LED
Active Area: 150mm x 200 mm (5.91 in. x 7.87 in.)
L x W x H (mm/in.): 170.0 mm x 260.0 mm x 23.5 mm (6.69 in. x 10.24 in. x 0.93 in.)
Mounting: (4) 4.3 mm [0.17 in.] thru holes
LT430 BL 200x250 LED
Active Area: 250 mm x 200 mm (9.84 in. x 7.87 in.)
L x W x H (mm/in.): 310.0 mm x 220.0 mm x 23.5 mm (12.20 in. x 8.66 in. x 0.93 in.)
Mounting: (4) 4.3 mm [0.17 in.] thru holes
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