- 7260A Fluke Frequency CounterCondition: UsedFrequency: 125 MHz
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- PM6681 Fluke Frequency CounterCondition: UsedFrequency: 300 MHz
- PM6685 Fluke Frequency CounterCondition: UsedFrequency: 300 MHz
- 1900A Fluke Frequency CounterCondition: UsedFrequency: 80 MHz
- 1910A Fluke Frequency CounterCondition: UsedFrequency: 125 MHz
- 1953A Fluke 125 MHz Frequency CounterCondition: UsedFrequency: 125 MHz
- ETHERSCOPE SERIES II Fluke Frequency CounterCondition: UsedFrequency: 62 Hz
- 1920A Fluke Frequency CounterCondition: UsedFrequency: 520 MHz
- PM6680 Fluke Frequency CounterCondition: UsedFrequency: 225 MHz