Kyoritsu 6201A Portable Appliance Tester

The KEW 6201A is a portable appliance tester, performing four functions to ensure the Safety of ClassI and ClassII appliances. And also can measure the mains voltage.
Readings are displayed on a large liquid crystal display (LCD) below which are four LEDs which unambiguously display a pass or fail indication for threshold values dictated by AS/NZS 3760.

Also see the newer
Kyoritsu 6205 PAT Tester

    Kyoritsu 6201A User Manual