Agilent Technologies (HP) HP 53181A/050

500MHz-20GHz CW Microwave Frequency Counter With Opt 050 - 5 GHz RF Channel The Agilent 53181A high-performance counter give you fast, precise frequency measurements at an affordable price. These counters feature an intuitive user interface and one-button access to frequently used functions so you can make accurate measurements quickly and easily. Optimized for RF applications, the single-channel 10 digit/s 53181A measures frequency, period and peak voltage. A digit-blanking function lets you easily eliminate unnecessary digits when you want to read measurements quickly. For higher-frequency measurements, choose an optional second channel that provides measurements up to 1.5 GHz, 3 GHz, 5 GHz, or 12.4 GHz. A self-guided shallow menu makes this counter exceptionally easy to use. Agilent 53181A - Features Measurements include frequency, frequency ratio (with optional channel 2), period and peak voltage. Automated limit tests and one-button measurement setups for fast, easy operation.