This is a user manual for PM6680B, PM6681 & PM6681R
The document serves as an operator's guide for the Fluke PM6680B, PM6681, and PM6681R Timer/Counter Analyzer series. It covers preparation for use, including safety instructions and unpacking, followed by detailed descriptions of front and rear panel controls.
The manual details various measuring functions such as frequency, time, phase, voltage, and totalizing modes. It also explains advanced measurement control features like arming and the TimeView software suite included with the PM6681 models.
The instrument requires a warm-up time of only 10 minutes to reach its final timebase frequency accuracy.
This model offers high-frequency input options of 1.3, 2.7, 4.2 OR 4.5 GHz.
With an optional GPIB interface, the unit can perform up to 2 k measurements per second.