The PROFESSIONAL is a portable appliance tester customised and marketed by Trio Test and Measurement Pty. Ltd. Design and manufactured by Trisan Australia Pty Ltd since 2003/4 to 6. This tester has been discontinued by Trio but is still available and fully supported by Trisan Australia.

Features include Class I & II insulation and leakage current testing, RCD testing and earth bond 10 & 25 amp testing.

Supporting services: Calibration, routine maintenance, repair and upgrade

  • Technical Specifications
  • Notification of Change
  • User's Guide
  • Accessories
  • Frequently Asked Questions