Have you considered a Zeiss RDS Head instead of the PH10? The Zeiss Head can articulate +/-180 about both A & B in 2.5 degree increments. I believe it is priced about the same as the PH10 and it can use Renishaw probes.
Tom Zitzelberger
Western Metrology
tomz@westernmet.com
503-559-5255