The 3M™ Overhead Projector 1880 Plus is engineered for durability with a chemically-hardened, break-resistant stage glass. The durable stage glass can result in less maintenance, interruptions and repair expenses. The 1880 Plus comes with an articulating closed-doublet lens for especially crisp screen images that make a lasting impression.
There’s a color-tuning dial for edge-to-edge brightness, and high-to-low intensity switch that adjusts from 2,400 to 2,700 lumens.<br><br><b>Key features:</b><br>- Chemically-hardened stage glass is retained by clips for easy<br>replacement.<br>- Articulating closed-doublet lens for especially crisp screen images.<br>- Closed head prevents tampering with precision two-element lens, and it keeps out dust and dirt.<br>- Utmost in brightness-typical minimum output of 2,700 lumens to a maximum of 3,000 lumens.<br>- Dual element fresnel lens for a sharper screen image.<br>- Built-in resistor to extend lamp life.<br>- Lamp interrupt switch shuts off power This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-881-2386, indicating validated use in U.S. government and defense logistics supply chains.
| Part Number | 18-80 |
| Manufacturer | TELEFLEX LLC |
| NSN | 5950-00-881-2386 |
| RELIABILITY INDICATOR | NOT ESTABLISHED |
| OVERALL LENGTH | 3.877 INCHES NOMINAL IN |
| WINDING FUNCTION AND QUANTITY | 2 PRIMARY AND 2 CONTROL SINGLE COMPONENT |
| MOUNTING FACILITY QUANTITY | 4 SINGLE GROUP |
| OVERALL HEIGHT | 5.100 INCHES NOMINAL IN |
| TERMINAL TYPE AND QUANTITY | 8 TURRET |
| NOMINAL THREAD SIZE | 0.190 INCHES SINGLE GROUP IN |
| THREAD QUANTITY PER INCH | 32 SINGLE GROUP |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| MOUNTING METHOD | THREADED HOLE(S) SINGLE GROUP |