Reduce test time up to 40% with Auto Test Auto Test does 5 required installation tests in one sequence, including selectable Type A, AC & RCD Auto Test, ensuring compliance with local installation regulations. It reduces the number of manual connections, decreases the possibility of making errors and reduces test time up to 40% from previous Fluke models. Insulation PreTest Protect the installation. Avoid costly mistakes. The Fluke 1664 FC Installation Tester is the only installation with “Insulation PreTest,” which warns you about potentially serious and costly mistakes. If the tester detects that appliances are connected to the system during test, it will stop the insulation test and provide a visual and audible warning. This helps eliminate accidental damage to peripheral equipment and keeps your customers happy. Fluke Connect®, ShareLive™ calling and Fluke Cloud™ storage Share from anywhere Save time—eliminate data entry by wirelessly syncing measurements directly from your installation tester and share with your team using the Fluke Connect system. Having access to measurements simultaneously at the inspection site and from the office or an off-site location enables faster decision making and real time collaboration between team members