Mastercool 55900 Sae Certified J2791 [134a] J2913 [1234yf] Leak Detector

This item is brand-new, factory sealed.

• Detects all Refrigerants as low as 1/10 oz. per year
• Eliminates many false responses
• Heated Tin Oxide Element
• High, Medium and Low sensitivity
• The 55900 meets and exceeds all certification required by SAE for all refrigerants including the new R1234yf
• The intelligent microprocessor and sensor design eliminates many false responses from common automotive materials
• High, Medium and Low sensitivity with a 2000-hour sensor life
• Detects all refrigerants as low as 1/10 oz per year
• Six multi-colored LED lights display with alarm
• Powered by 2 C Alkaline 6000 mAh batteries
• Peak feature to assist with detection of multiple leaks