The 750a features 400 hour sensor life under normal use and can detect leaks as small as 0.2 ounces per year (R134a / R22).

• 0.2 ounce per year sensitivity
• Detect leaks early to prevent bigger problems later
• Detect all existing refrigerants and blends including 404A, PURON ® and R-507 (AZ50®)
• No need to carry multiple detectors
• One hand thumb wheel operation

Applications:

• Check for leaks in refrigeration systems
• Test for leaks in air conditioning systems and cooling units
• Find leaks in automotive air conditioning systems

Specifications:

• Sensitivity      0.2 oz /yr (R22 / R134a)
• Pump Driven     No
• Scan Mode with High/Low Sensitivity     Yes
• Sensor Type     Corona Discharge
• Spare Sensor Included     Yes
• Built-in Alarm     No
• Operation     Thumb Wheel
• Goose Neck Length     16”
• Adjustable Tic Rate     Yes
• Leak Indication     Audible and Visual
• Battery     1.5V “C” (2)
• Carrying Case     Soft Pouch