Krohn-Hite Corporation is a well recognized leader in the design and manufacture of high precision standard and custom test and measurement equipment to meet the needs of many industries such as aerospace, medical, auto, process-control, vibration analysis, oil exploration, wind tunnel testing and much more. We manufacture a wide variety products that include fixed frequency and variable low-pass (anti-alias), high-pass, band-pass and band-reject (notch) electronic filters; DC voltage and current calibrators from 100nV to 111V; wideband power amplifiers from DC to 1MHz; a precision phase meter; a distortion analyzer; a function generator and an RC oscillator.