Gastester is used for the testing and setting of all carburettors (petrol, leaded or unleaded) and petrol injection systems on any vehicle. Gastester provides a simple and inexpensive method of showing when the correct petrol/air mixture is being dispensed

• Content includes: Gas tester instrument including
• Calibrates in air, no moving parts to wear out
• No filters to change
• Accurate to 0.5% C.O measurement at 15-25˚C
• Instructions included