
Solar cell contacting unit
This general purpose chuck is intended to be used
in self-made measurement setups.
Features:
- vacuum fixing of solar cells from 2 x 2 cm² to 21 x 21 cm²
 - four-point contact setting with 4 mm plugs
 - Pt-sensor for temperature measurement in direct contact to the back of the solar cell
 - temperature control of brass chuck with cooling thermostat
 - fast exchange of brass chuck for different solar cell types
 - three contact-needle bars to provide uniform potential along the busbars
 - flat contact-needle assembly for 3 busbars to be used with low currents
 - parallel lifting mechanism to avoid lateral forces when positioning the needles
 - photodiode to monitor light intensity
 - motorized z-positioning (30 mm range) optionally available
 
Dimensions (W x D x H): 500 mm x 300 mm x 120 mm
Weight: approx. 16 kg
