Racal
Racal 1999
10Hz-2.6GHz Frequency Counter
10 Hz to 160 MHz Frequency Range
9 digits Resolution
±1 ppm per year aging rate Timebase Accuracy
1 MΩ / 50 Ω selectable Input Impedance
25 mV RMS (50 Ω), 100 mV RMS (1 MΩ) Sensitivity
| Attribute | Value |
|---|---|
| Frequency Range | 10 Hz to 160 MHz |
| Resolution | 9 digits |
| Timebase Accuracy | ±1 ppm per year aging rate |
| Input Impedance | 1 MΩ / 50 Ω selectable |
| Sensitivity | 25 mV RMS (50 Ω), 100 mV RMS (1 MΩ) |
| Gate Time | 1 ms to 10 s selectable |
| Display | 9-digit LED display |
| Input Coupling | AC/DC selectable |
| Power Supply | 90–260 V AC, 48–440 Hz |
| Operating Temperature | 0°C to 50°C |
| Model | 1999 |
|---|
High resolution counter, 2 channels 10 Hz to 160 MHz and 80 MHz to 2.6 GHz.
