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Good-quality. Accurate light integrator.It's easier to operate, especially for beginners. - details see: https://www.machineto.com/plate-contact-exposure-10073256

FEATURE

1. Able to print two CD74 PS plates or one CD102 PS plate at one time.

2. Heavy double-deck and dual-loop vacuum-exhausting system of Superluck contact exposure frame can make vacuum-exhausting operate from the center and spread all round, thus ensuring a 70% higher speed than average exposure frame.(Plate of any material is ready to expose within one minute)
3. Made-in-Germany reflection plate with strong reflecting light, which is verified to be more than 86% uniformity.
4. Good-quality violet light source, whose wavelength is 365-420NM, is three times the light intensity as average ones. High exposing quality and long time duration. Anti-electrostatic rubber cloth and block gine with strong air-tightness and durability.
5. Double exposure system can wipe out dirty spots and imprints of the block gine efficiently, thus reducing retouch work and raise the efficiency of work.
6. Best quality vacuum pump of Superluck contact exposure frame runs noiselessly and lasts without maintenance.
7. Accurate light integrator automatically detects the light intensity of the light source, so as to accurately keep the error range within 2% and eliminate the distortion of screen dots caused by the deterioration of lamps, instability of voltage, etc.
8. The screen can display 5 sets of data. The CPU can store 99 sets of data. It's easier to operate, especially for beginners. It reduces operation error.
9. Full-cover frame prevents the radiation of UV ray.
10. Enhanced steel plates processed by numerical control and thick film coating of electrostatic powder for ultra-long operation life.
11. Superluck and external joint factory inspection on the 100 step printing down to ensure 2% of halftone dots aren't lost and 98% are not mixed.

TECHNICAL SPECIFICATIONS

Specification sheet
Model	SL-2838E	SL-3848E	SL-4254E	SL-6072E
Exposing Area(mm)	720x960	960x1220	1060x1350	1500x1800
Light Source	made-in-Japan USHIO 3KW instant violet lamp (5KW constant violet lamp is optional)
Vacuum System	high speed dual-loop vacuum-exhausting system
vacuum degree	760mmHg(30inHg)
Exposure uniformity	85%~95%
Exhausting process	pre-vacuum-exhausting, enhanced vacuum exhausting
Exposture process	exposure and enhanced exposure
Power Supply	220V,1φ,50/60Hz,25A