TurboTorch TT-LP TurboTest Refrigerant Leak Detector. The TurboTest Leak Detector fits standard TurboTorch MAP-Pro (MPT-1) or Propane (PT-1) tanks. The TurboTest is compact, easy to use. Capable of detecting leaks as small as 8 oz per year. its made of brass construction with a stainless steel shield. Tube swivels 360 degrees for easy handling. Heavy copper reactor plate gives extra long life.