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GCO-239003 LED Pattern Projectors

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GCO - 2390 LED Pattern Projectors

GCO - 2390 series products are LED-based lighting pattern projection lens, for high-precision 3D measurement. It improved the light source of the triangulation test with the imaging lens not coaxial error brought by the test, can effectively improve the test precision.

◆ Its tilt adjustable lighting model can guarantee the projected target surface area is uniform lighting even if the target surface is not parallel with the lens face, this characteristic plays a vital role in calibration and testing;

◆ Configured with different reticle meet different resolutions and different projection pattern requirements, and can achieve projected reticle quickly replaced;

◆ Different high power LED light source are optional, suitable for the needs of the different color of light source, has a large luminous flux and lighting contrast

◆ C - mount interface can be matched with telecentric lens to guarantee the projection pattern without distortion; The projection pattern without distortion;

The projection principle and model choice：

In order to obtain undistorted projection target surface, C - mount interface of GCO - 2390 is suggested to be used with CDHC’s double telecentric lens. According to the imaging system and the angle θ of projection system, refer to recommended value in " reference table" to adjust the reticle knob on GCO-2390 series lens (Loosen the locking screw on the handwheel, then rotate the specified scale φ, after that lock the screw), you can get a clear undistorted projection target surface.

Table 1 Product series parameter

Name	Model	LED Wavelength	Aperture	Rated LED	LED Direct current	Reticle	Telecentric lens
ILPL	GCO-239001	660nm	120 lm	5W	2.8V	All types of adaptation	See reference table
ILPL	GCO-239002	523nm	165 lm	5W	4.5V
ILPL	GCO-239003	460nm	45 lm	5W	3.6V

Table 2 Parameter of Annex

Reticle Model	Line gap (mm)	Line Qty	Line width (mm)	Reticle Size (mm)
PRPL-0.95-8	0.95	8	0.05	8x8
PRPL-0.45-16	0.45	16	0.05	8x8
PRPL-0.20-32	0.20	32	0.05	8x8
PRPL-0.05-80	0.05	80	0.05	8x8
PRGR-0.95-8	0.95	8	0.05	8x8
PRGR-0.45-16	0.45	16	0.05	8x8
PRGR-0.20-32	0.20	32	0.05	8x8
PRGR-0.05-80	0.05	80	0.05	8x8

Table 3 Projection telecentric lens reference table

Model	Projection length (mm)	Magnificant	θ=0°		θ=15°		θ=30°		θ=45°
Model	Projection length (mm)	Magnificant	H：LxW (mm)	Φ	H：LxW (mm)	Φ	H：LxW (mm)	Φ	H：LxW (mm)	Φ
GCO-232104	142.5	0.22X	36.4x36.4	0°	36.4x37.7	3.3°	36.4x42.0	6.6°	36.4x51.5	9.9°
GCO-232103	142.5	0.32X	25.0x25.0	0°	25.0x25.9	4.8°	25.0x28.9	9.6°	25.0x35.4	14.4°
GCO-232204	62.5	0.44X	18.2x18.2	0°	18.2x18.8	6.6°	18.2x21.0	13.2°	18.2x25.7	19.8°
GCO-232203	62.5	0.64X	12.5x12.5	0°	12.5x12.9	9.6°	12.5x14.4	19.2°	12.5x17.7	28.8°