SVA – Subjective Vertical Analyser (ASI/Italian Air Force)
The SVA Subjective Vertical Analyser was designed and developed by Kayser Italia on ASI and Italian Air Force contract in order to evaluate the subjective visual vertical of astronauts under microgravity conditions. The instrument was flown on ISS during ENEIDE mission in combination with the LBNP (Lower Body Negative Pressure) facility.