I'm looking for a scale of attitudes to science that I could use among university students from all sorts of discipline, including Philosophy, Humanities, Arts etc.
I don't know if there is anything here that is of relevance to what you need.
Prof. Martin Bauer - a ResearchGate member wrote a paper with co-authors that might be of interest to you:
Bauer, M. W., Petkova, K., & Boyadjieva, P. (2000). Public knowledge of and attitudes to science: Alternative measures that may end the “science war”. Science, Technology & Human Values, 25(1), 30-51.
Munby, H. (1983). Thirty studies involving the “Scientific Attitude Inventory”: What confidence can we have in this instrument?. Journal of Research in Science Teaching, 20(2), 141-162.
Osborne, J., Simon, S., & Collins, S. (2003). Attitudes towards Science: A Review of the Literature and Its Implications. International Journal of Science Education, 25(9), 1049-1079.