Fluke's PM6690 Frequency counter/timer/analyser is a versatile and accurate tool for measurement, analysis and calibration of frequency, time interval and phase for use in test systems, on the R&D bench, in the calibration lab or in the field.
The PM6690 offers unique ease-of-use with a graphical display and menu-driven control system. It offers very high resolution and speed of 12 digits per second for frequency measurements, and 100 ps single-shot time resolution. Phase measurements come with a resolution up to 0,001°, speeded up by a 'single pass' technique not found in any other counter, according to the company. The instrument speed is also seen in its acquisition speed - up to 250 000 measurements per second are possible and stored in internal memory, or 2000 measurements per second can be made over the bus. The internal memory can hold as many as 750 000 measurement results for further analysis.
Ease of use
The menu-driven instrument control structure reduces the risk of mistakes. The main measurement result is supported by auxiliary parameter readings, which ends the need for other instruments like a DMM or an oscilloscope. The phase relationship between input and output signal of a device can be measured, simultaneously reading the test frequency of the signal and the voltage ratio (in dB) between input and output signals. The graphical presentation of results, like histogram and trend curve, gives a much better understanding of random signal distribution and of system changes over time.
The unique graphical display present measurement results in numerical (up to 14 digits) or graphical format. The display is also used to present the set-up information as part of the convenient menu-driven control system. The results of statistical analysis can be presented as numerical data, as a trend graph, or as a histogram.
The PM6690 is equipped with both a GPIB/IEEE-488 and a USB-interface for high-speed communications with a PC. The optional TimeView-90W PC software package allows for instrument remote control, and the analysis and display of measurement results in a choice of graphs.
For more information contact Comtest, +27 (0)11 695 9162.
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