• Measures loop impedance and prospective short circuit
  current.
• Automatic selection of test cycle 0 - 180 degrees
  testing
• Fuse and thermal protection with internal delay circuit
  to control testing
• Constant current circuit for accurate ­measurement
• Meets requirements of 16th Edition IEE Wiring
  Regulations and Guidance Notes
• Suitable for testing non-delay and delayed breakers
• Supplied complete with test leads, instructions and
  a ‘work and wear’ carrying case