A basic, hand-held safety checker offering exceptional lightness and portability as well as a simplified range of tests. Simply choose the test you require; either earthed appliance, double insulated appliance, or mains cord testing. The simple display shows Pass or Fail. The outer casing will stand up to anything a normal working environment has to offer. A great choice for those needing a reliable, easy to use, portable safety tester.Easy to use: Connect your test appliance, pick your test mode, push the button. The display tells whether it has passed or failed.Hand-held - highly portable: Measuring only 26 x 10cm, the Primetest 50 fits in the palm of your hand.Battery powered: Lighter, easy to use and more portable, you do not need a power supply nearby.PATGuard compatible: To help make your life as a tester even easier, the Primetest 50 can be used with our industry acclaimed PATGuard Workabout software for mobile data input. Now you have the best of both worlds - easy testing and easy information management.PAT tests: Earth continuity. Test current 200mA DC. PASS/FAIL threshold 0.2ohms. Insulation resistance. Test voltages 500V DC. PASS/FAIL threshold 2Mohms. IEC lead test. Tests performed earth continuity. Insulation resistance. Live, neutral continuity and polarity.Circuit tests: Power socket test. Input voltage range 230V +10%, -15% AC. Indicators phase to earth voltage. Phase to neutral voltage. Neutral to earth.