Check the listing for details. MasterCool 55900 Intellasense II Refrigerant Leak Detector. Condition: New. Listed at 227.34 USD. MasterCool 55900 Intellasense II Refrigerant Leak Detector At the heart of this leak detector is a new low power metal oxide gas sensor with superior performance properties such as lower current consumption and sensor longevity. The new sensor is characterized by high sensitivity and fast response upon detecting the presence of extremely small levels of chlorofluorocarbon gases. For this reason, this sensor was selected and integrated into the 55900 Leak Detector. In addition, a powerful microprocessor was integrated into the design that automatically selects the best operating condition for the sensor to ensure optimum performance throughout the life of the sensor. Description Refrigerant Leak Detector Used On Item: Refrigerant Applicable Standards: SAE J2791/J2913, EN 14624 Refrigerant Type: CFC’s, HCFC’s, & HFC’s and Blend Sensor Life: 2000 Hour Sensing Element: Heated Tin Oxide Sensitivity: 0.15 Ounce per Year (High), 0.25 Ounce per Year (Medium), 0.5 Ounce per Year (Low) Response Time: Less than 1 Second Temperature Rating: 0 to 140 Deg F (Operating) Battery Type: (2) C Alkaline 6000 Milliamp Hour Battery Life: 30 Hour Specifications Order Part Number: ME55900 Item Description: LEAK DETCTR INTELLASENSE MINI REFRIGERNT Manufacturer: MasterCool Inc. Refrigerant Type: CFC’s, HCFC’s, & HFC’s and Blend Sensor Life: 2000 Hour Sensing Element: Heated Tin Oxide; Sensitivity 0.15 Ounce per Year (High), 0.25 Ounce per Year (Medium), 0.5 Ounce per Year (Low); Response Time Less than 1 Second Temperature Rating: 0 to 140 Deg F (Operating) Battery Type: (2) C Alkaline 6000 Milliamp Hour Battery Life: 30 Hour Manufacturer Part Number: 55900 Default Selling Unit: EA