SOK 36 Professional Socket/Earth Loop/Polarity/RCD Tester

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• Bright LED's out-perform fragile old style neons
• Logical "Green for Go" LED indication
• New circuitry means no tripping RCD's
• Detects good plus 13 wiring fault conditions 
• Continuous audible tone gives positive good wiring indication
• Strong warbling tone gives clear warning of faulty wiring
• Advanced electronics include a quad comparator to give clear indication even on noisy circuits
• Detects good plus 13 wiring fault conditions
• The first socket tester to show where the actual fault is Live , Earth or Neutral 
• New patented "Fault Locate" electronics gives clearest indication yet of good plus 17 wiring fault conditions - more than any other known socket tester
• Continuous or strong warbling tone gives positive quick indication of good or faulty wiring
• Built in self check at start of testing gives confidence in correct operation at all times
• The first socket tester to also test true earth loop impedance
• Easy Colour LED read out system gives earth loop result as Good/Check or Urgent Check
• Compact design encourages more frequent socket safety checks Full earth loop test
• Audible tone indication gives clear indication of good socket or problem socket
• Test for total supply system polarity safety
• Operational check of 30mA RCDs