Features and Benefits:�On-board micro air compressor�Variable flow control�Pressure decay testing�Compact, lightweight design�OEM-approved smoke agentThe SMT 500 Low Pressure Leak Tester can be used to find all kinds of leaks in automotive applications. Utilizing an on-board micro air compressor, the SMT 500 eliminates the need for an external compressed shop air source. The variable flow control and OEM-approved smoke agent can help detect leaks as small as 0.01" in low pressure sealed systems.The SMT 500 improves the accuracy of repairs and eliminates comebacks by verifying that leaks are repaired accurately the first time. At 11 lbs., the SMT 500 is ultra-portable and lets technicians go where the work is. It's perfect for mobile repairs, testing vehicles in the field, and fleet repairs