Fluke Installation Multifunction Tester helps expedite installations and puts a lot of testing power in your hands to quickly and efficiently test to all local regulations, protect appliances and share test results in real time over your smartphone. The only tester with insulation PreTest that stops the insulation test and provides a visual warning if it detects that an appliance is connected to the system under test. This helps you avoid potentially serious and costly mistakes that can cause damage to your customers peripheral equipment. The Auto test performs up to seven installation tests in one sequence, ensuring compliance with local installation regulations. This reduces the number of manual connections, thus decreasing the possibility of errors and reducing test time. Because the 1664 FC is Fluke Connect-enabled, you can send test results to your smartphone, save them to the cloud and share measurements in real time with team members through a ShareLive video call. It’s the fastest way to let your team see what you see and to help you get approvals without leaving the field. The Fluke Cloud storage allows you to retrieve stored results whether you are in the office or in the field to make decisions in real time. It performs fast voltage measurement between L-N, L-PE and N-PE using the mains cord and no need to change measurement connections. Features large display with backlight, clear symbols, and exceptionally wide viewing angle for easy and safe readings.