Tektronix TG501 If you've performed Oscilloscope ca

If you've performed Oscilloscope calibrations, you're probably already familiar with the popular TG501 Time Mark Generator and its accuracy. Designed for use in the TM 500-Series Mainframe (sold separately), the TG501 is ideally suitable for oscilloscope calibrations while providing marker outputs from 1 ns to 5 s. Features variable timing output with a front-panel 2 digit LED display, which indicates % of timing error between the normal time interval and a variable interval with graticule or division mark on the display.