Gas Leakage Detecter TESTO316-4?PA1 Testo

Detects refrigerant gas leak from refrigeration air-conditioner.The level of refrigerant gas leak is presented in bar graph.Gives alarm with screen discoloration and sound.Comes with a headphone that helps not to be influenced by the surrounding environment.A suction type.Detection target: Refrigerant gasW x D x H (mm):57 x 42 x 190Power supply: Laminated type 9V dry battery x 1(included)SensorCaseEarphone