original spectra polaris pq 512 35pl print head for Gongzheng Flora lj320p printer
● 15 and 35 picoliter nominal drop size
● Resolutions up to 1000 dpi
● 512 individual addressable nozzles
● VersaDrop™ binary jetting capability
● Supports UV-curable, solvent, and aqueous-based inks
● Configurable for single- and two-color operation
● Integral mounting bezel with precision features
● Built-in heaters and temperature sensors
● Operation up to 60°C [140°F]
● Simplified field repair with no special tools required
| Model | Active nozzle | Dry Weight | Adjustment for drop size | Print width | Drop Volume | Firing frequency | Nominal drop velocity |
| Spectra SL-128 | 128 | 65 - 90 picoliters | 80pl | 30KHz | 8m/sec | ||
| Polaris 512 | 512 | 160 grams | 35 - 80 picoliters | 64.897mm | 35pl | 30KHz | 8m/sec |
| Polaris 512 | 512 | 160 grams | 15 – 30 picoliters | 64.897mm | 15pl | 40KHz | 8m/sec |
| Model | Spectra Polaris 512 |
| Number of addressable jets | 512 |
| Print width | 64.897 mm (2.555 inches) |
| Single color (4 rows of jets) | 127 microns [0.005 in.] (200 dpi) |
| Two color (2 rows of jets/per color) | 254 microns [0.010 in.] (100 dpi) |
| Jet straightness, 1 sigma* | 2.0 mrad [0.11°] |
| Nominal drop velocity | 8 m/s |
| Calibrated drop mass | 35ng |
| Compatible jetting fluids | UV-curable, organic solvents, aqueous |
| Adjustment for drop size | 35 - 80 picoliters |
| Operating temperature range | up to 60° C |
| Fluid viscosity at jetting | 8 to 20 centipoise |
| Dry weight | 160 grams |
