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Specifications

 

Spectra SM/SL/SE128 Print Head

The Spectra Galaxy is a high performance, robust and reliable jetting assembly designed for a broad range of industrial and comm
 
Specifications :
 
50 picoliter calibrated drop size
128 individually addressable, inline nozzles
Lightweight and highly stackable
Excellent jet straightness
Excellent channel to channel uniformity
High frequency continuous operation
Permits high viscosity jetting fluids
Orientation independent
Designed for long service life
Dual ported for ease of flushing
Optional temperature control
 
Parameter
Number of addressable jets
128
Nozzle spacing
508 microns [0.020 in. ]
Nozzle diameter
50 microns
Calibrated drop size
50 picoliters
Adjustment range for drop size
40- 55picoliters
Drop size variation, 1 sigma*
4%
Jet Straightness, 1 sigma*
3  mrad [0.17° ]
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
Organic solvents, UV curables
Maximum operating frequency
20 kHz