Counter Manuals
| Model | Manufacturer | Date | Description |
|---|---|---|---|
| R5372 | Advantest Corporation | Electronic Counter | |
| R5373 | Advantest Corporation | Electronic Counter | |
| TR5821 | Advantest Corporation | 1982 | |
| TR5822 | Advantest Corporation | 1982 | |
| TR5823 | Advantest Corporation | 1982 | |
| TR5823H | Advantest Corporation | 1982 | |
| AN 2573 | Analogic | 1979 | Digital Rate Indicator |
| 1820 | BK Precision | Universal Counter | |
| 1856B | BK Precision | 2.7GHz Frequency Counter | |
| 1856C | BK Precision | 2.4GHz Frequency Counter | |
| 5740 | Data Precision | 01 March 1977 | Multifunction Counter |
| F-1000 | Elenco Precision | 1GHz Multifunction Counter | |
| 1910A | Fluke | 1990 | Multifunction Counters |
| 1911A | Fluke | 1990 | Multifunction Counters |
| 7220A | Fluke | Portable Counter | |
| 7250A | Fluke | 01 December 1978 | Universal Counter Timer |
| PM 6666 | Fluke | 1998 | Programmable Timer / Counter |
| PM 6669 | Fluke | 1998 | Frequency Counter |
| PM6690 | Fluke | 01 May 2006 | Timer / Counter / Analyzer |
| 5305B | Hewlett Packard | August 1976 | 1300 MHz Counter |
