Olympus Scientific Solutions Americas Corporation (OSSA) Model: VANTA Analytical X-Ray System, X-Ray Fluorescence
Instruments may, under certain specific circumstances listed below, fail to stop when a test is initiated and no sample is present (proximity shut down fails to end test).
Worldwide Distribution - USA (nationwide) Distribution
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-2760-2017