3M 1800 Series Overhead Projectors

1865 Plus 1880 Plus Model Brightness Head Lamp Life Weight 1810 PLUS 2700 lumens Open singlet (wide angle) 75 hours rating 18.8 lbs. 1825 PLUS 4000 lumens Articulating, closed-singlet (wide angle) 38 hours rating 19.2 lbs. 1830 PLUS 2700 lumens Articulating, closed-doublet 75 hours rating 19.0 lbs. 1865 PLUS 4300 lumens Articulating closed doublet, wide angle 40 hours (High) 80 hours (Low) 19.2 lbs. 1880 PLUS 3000 lumens Articulating, closed doublet 75 hours rating 19.0 lbs. 1885 PLUS 4000 lumens Articulating closed doublet 38 hours rating 19.0 lbs. 1895M 4000 lumens Open triplet 38 hours rating 19.5 lbs. Discontinued Products The following discontinued whiteboards may have newer models and/or comparable product lines: Model Brightness Head Lamp Life Weight Replacement 1810 2700 lumens Open singlet (wide angle lens) 130 hours average N/A 1810 PLUS 1820 2700 lumens Articulating, closed singlet 130 hours average N/A 1825 Plus 1825 4300 lumens Articulating, closed singlet 40 hours (high), 80 hours (low) N/A 1825 Plus 1830 2700 lumens Articulating, closed doublet 130 hours average N/A 1830 Plus 1860 2700 lumens Closed singlet (wide angle) 130 hours average N/A 1865 Plus 1865 4300 lumens Articulating, closed singlet 40 hours (high), 80 hours (low) N/A 1865 Plus 1880 3000 lumens Articulating, closed doublet 65 hours average N/A 1880 PLUS 1885 4300 lumens Articulating, closed doublet 40 hours (high), 80 hours (low) N/A 1885 PLUS 1895 4300 lumens Inverted triplet 40 hours (high), 80 hours (low) N/A 1895M

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