Contact resistivity and more
The probe heads for the right arm are changed within seconds and recognized by the software. Available models are:
- Custom-designed probe head for TLM test patterns
- Adjustable head for solar cell stripes with finger spacing down to 1.2 mm
- Line resistance head adjustable between 22 mm and 70 mm
- Four-point-probe head for sheet resistance of diffused wafers with round tungsten-carbide tips
- Four-point-probe head for resistivity with sharp tungsten-carbide tips and larger spacing.
![TLM-SCAN TLM-SCAN](http://www.pv-tools.de/uploads/images/5_probe_heads_15.png)