The E2061 Precision Frequency Counter is a compact unit using a combination of inverse period measurement or direct pulses per second measurement to indicate frequency accurate to 20ppm on a backlit display. Fractional frequency up to milliHertz resolution is calculated using 64 bit division. The E2060-FRQ switches between inverse period measurement and direct frequency measurement with a hysterisis band for measurement stability. A serial output is provided every second and an alarm signal is activated according to the alarm setpoints and mode.
Locus Engineering Inc.
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