Features and Benefits:

• Optimum sensitivity detects leaks of 0.03 to 0.06 oz/year
• Automatically self-calibrates to neutralize background contamination
• Sensor life up to 200 hours or more
• Sensitive to R-12, R-134a, R-1234yf and other refrigerants
• High/low switch for accurate diagnosis of both large and small leaks

PRO-Alert-Portable Refrigerant Leak Detector - Features high-performance heated-diode sensor technology!-Detects leaks as small as 0.4 oz/year-Automatically self-calibrates to neutralize background contamination -Sensitive to both R-12 and R-134a refrigerants. Certified to meet SAE J1627 -High/low switch for accurate diagnosis of both large and small leaks -Variable-intensity audible alarm plus flashing LED help pinpoint leaks fast-Flexible metal probe holds its position in tight quarters-Easily replaceable foam filter protects sensor and pump-Includes replacement filters, (2) D cell batteries and rugged storage case