Tachometers should accurately, consistently and quickly display changes in engine rpm. A sudden drastic change in rpm, in a normal tachometer, will result in the needle overshooting and / or hesitating. Thus, it will take quite a bit of time before the actual rpm is displayed.
The SG Series, with our specially designed computer drive circuitry and advanced stepping motor will not result in overshooting nor hesitation and will consistently give you a quick, accurate engine rpm reading.
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