For a period of 0 days, 0 times, beginning on February 8, 2025, invisibleinstruments.com was tested for availability. On each assessment conducted as of February 8, 2025, invisibleinstruments.com encountered either downtime or encountered problems. As of February 8, 2025, testing indicates that there had been no instances of inoperability for invisibleinstruments.com. By the records, no responses with error status codes were reported as of February 8, 2025. Recorded on February 8, 2025, was invisibleinstruments.com's response time of 0 seconds, against an average of 0.000 seconds.