SM8237 GASOLINE ENGINE TACHOMETER

GASOLINE ENGINE TACHOMETER SM8237Inductive type measure the engine speed by noncontact Measuring the temperature cooling water in engine by contact Testing the rotate speed of multi-cylinder in same time, or testing one of cylinder rotate speed Testing the rotate speed used to 2 stokes and 4 strokes Can set the cylinder in 2, 3, 4, 5, 6, 8, 12 or set the impulse of each rotation Memory the maximum value, minimum value and last value Can record 300 testing data Low power symbol automatic indicating Yellow-green back light °C and °F Temperature switch function Rotation Speed Range: 100 40,000RPM Rotation Speed Resolution: 1RPM Rotation Speed Accuracy: ±1r/min(100 11,999r/min) ±2r/min(12,000 19,999r/min) ±4r/min(20,000 40,000r/min) Temperature Range: 0 200°C Temperature Resolution: 0.5°C Temperature Accuracy: ±2°C