The 2.8-inch backlit display shows clear, accurate data. Digital compression gauge has 0.01 display resolution instead of normal 1PSI display resolution compression tester. Measures real-time pressure value, average pressure value and temperature of the cylinder, as well as the measurement time.
Product Description
Step 1
Remove the spark plug and press the pressure gauge connector firmly onto the spark plug hole.
Step 2
Reset the pressure value to zero before testing.
Step 3
Connect the measuring probe to the engine.
Step 4
Drive the engine with the starter motor at 100-150r/min for 3-5 seconds, pressure gauge displays measurements.
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