The type of waveforms that your wave generator can produce is the first and most important item to check for. Square waves, sine waves, pulses, triangle, ramp, or sawtooth waveforms are all produced by general Vibration testing equipment. Engine balancing equipment of the highest quality. The PBS line of products is the market leader in the commercial aviation industry and the industry standard for engine maintenance in the US Air Force. MTI also offers a sophisticated tachometer signal conditioner that detects and conditions important amplitude and timing variations in speed signals coming from raw analogue inputs (N1, N2, N3) as well as engine FADEC systems.