Features high-performance heated-diode sensor technology!

• Detects leaks as small as 0.25 oz/yr
• Automatically self-calibrates to neutralize background contamination
• Sensitive to all CFC, HCFC and HFC refrigerants.
• 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