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Specifications

 

Spectra Nova/Galaxy256 Print Head

The Spectra Galaxy is a high performance, robust and reliable jetting assembly designed for a broad range of industrial and comm
 
Specifications :
 
The Spectra Galaxy is a high performance, robust and reliable jetting assembly designed for a broad range of industrial and commercial printing applications such as wide format graphics, textiles, addressing and packaging at resolutions up to 450 dpi.
Parameter
Number of addressable jets
256
Nozzle spacing
279 microns [0.011 in.]
Nozzle diameter
52 microns
Calibrated drop size
75 picoliters
Adjustment range for drop size
70 - 85 picoliters
Drop size variation, 1 sigma*
5%
Jet Straightness, 1 sigma*
4 mrad [0.23°]
Nominal drop velocity
8 m/sec
Drop velocity variation, 1 sigma*
5%
Crosstalk, maximum
5%
Operating temperature range
up to 90°C [194°F]
Fluid viscosity range (at jetting temperature)
8 - 20 cP
Compatible jetting fluids
Aqueous, Organic solvent, UV curable
Maximum operating frequency
20 kHz