TheInformant 2 is the only dual-purpose, refrigerant/combustibles leak detector on the marketis also the fastest, most precise leak detector available. Its powerful combination of advanced sensor technology, microprocessor - controlled circuitry, and state-of-the-art software design offers unsurpassed accuracy and reliability with astonishing speedidentifying either refrigerant or combustible leak sources in 2/10 of a second. The Informant 2 detects all combustible gases with a 50ppm minimum. It also includes an audible leak indicator with mute option, as well as dual bar graph displays and a flashing probe tip for visual confirmation. Plus, The Informant 2s lightweight, ergonomic design and flexible two-position probe with tapered end make finding hard-to-reach leak sources easy. The Informant 2 comes with a soft-sided carrying pouch that can be attached to the waist for easy portability. For added protection, anoptional rubber boot with MagLite® flashlight cavity is available to facilitate one-handed inspections. Specifications: Refrigerants Detected: All CFC, HCFC, and HFC refrigerants including: R-12, R-22, R-123, R-134a, and blends R-404A, R-408A, R-409A, and R-410A (refrigerant containing Chlorine, Fluorine, or Bromine gas) Combustible Gases Detected: All combustible gases and vapors Sensitivity Refrigerant: .25 oz/year of R-134a (hardest to detect refrigerant) Sensitivity Combustible: Minimum 50 ppm (Methane) Alarms: Audible and visual dual LEDs