In our lab, we are using high-precision Boonton 7200 capacitance meters for space-charge spectroscopy. Boonton has discontinued the production and repair of these devices, however, our lab equipment more or less relies on them, and precision-wise, they are unmet (afaik) by what you can currently get on the market.

Since they're becoming quite old, some of them have started to develop faults. I am wondering whether anyone can point us to a company (preferrably Europe-based) that offers repairs on these things.

Thank you for your help!