Spectra Polaris PQ-512/15 AAA Printhead Description
The Polaris PQ-512/15 AAA Printhead features 512 independent channels, arranged in multiple rows with 200 dots-per-inch spacing for single-color operation and 100 dots-per-inch spacing for two-color operation. This Spectra 512 printhead is designed for binary jetting with a native drop size of 15 picoliters and a nominal drop velocity of 8 meters per second, suitable for jetting fluids with viscosities ranging from 8 to 20 centipoise. Leveraging VersaDrop jetting technology, it allows for adjustable binary operation with drop sizes up to 30 picoliters, achieving resolutions up to 1000 dpi.
Building on the legendary reliability and performance of the Spectra Nova and Galaxy Printheads, the Polaris PQ-512 AAA series employs proven materials and a repairable design to ensure a long service life and consistent output. By utilizing the flexibility of the Q-Class platform, the Polaris PQ-512 AAA offers enhanced jetting performance, increased nozzle density, and greater configuration flexibility.
Spectra Polaris PQ-512/15 AAA Printhead Specifications
| Technology | Piezo Electric |
| Max. Resolution | 1000 dpi |
| Print width | 64.897 mm (2.555 inches) |
| Cal. Droplet Size | 15 pico litre |
| Adj. Range for Droplet Size | 35 pico litre/30kHz, 80 pico litre/13kHz |
| Tot. Amount of Nozzles | 512 |
| Nozzle Spacing | 127 microns (1 color) or 254 microns (2 colors) |
| Firing Frequency | 40 kHz (20 kHz for 30 pico liter droplets) |
| Operating Temperature | up to 60¡ãC |
| Ink Compatibility | Solvent, water-based, and UV Inks |
| Fluid Viscosity at Jetting | 8 to 20 centipoise |
| Dry Weight | 160 grams |
