Spectra Polaris 512 15 Printhead

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°C
Ink Compatibility	Solvent, water-based, and UV Inks
Fluid Viscosity at Jetting	8 to 20 centipoise
Dry Weight	160 grams
Model	Spectra Polaris PQ-512/15 AAA