Keysight (Agilent)
Keysight (Agilent) 5385A
1GHz Frequency Counter
10 Hz to 225 MHz Frequency Range
9 digits Resolution
±1 ppm (aging rate per year) Time Base Accuracy
1 MΩ / 20 pF Input Impedance
25 mV RMS (10 Hz to 100 MHz) Input Sensitivity
| Attribute | Value |
|---|---|
| Frequency Range | 10 Hz to 225 MHz |
| Resolution | 9 digits |
| Time Base Accuracy | ±1 ppm (aging rate per year) |
| Input Impedance | 1 MΩ / 20 pF |
| Input Sensitivity | 25 mV RMS (10 Hz to 100 MHz) |
| Maximum Input Voltage | 150 V RMS (DC + peak AC) |
| Gate Time | 1 ms to 10 s |
| Display | 9-digit LED display |
| Power Requirements | 100/120/220/240 VAC, 48–66 Hz |
| Operating Temperature | 0°C to 55°C |
| Model | 5385A |
|---|
The Keysight (Agilent) 5385A Frequency Counter delivers precision measurement from 10Hz to 1GHz, featuring dual-channel input with 1MΩ (Channel A) and 50Ω (Channel B) impedance. It offers 11-digit resolution, selectable gate times (0.1s, 1s, 10s), a 100kHz low-pass filter, and switchable X1/X20 attenuator. Its HP-IB programmability and compact half-rack design combine high-end performance with flexible system integration capabilities.
This counter is ideal for use in field, bench, or automated systems where reliable, high-resolution frequency measurements are essential. It balances sensitivity, speed, and form factor for various RF and electronic applications.
Testwall can supply the used Keysight (Agilent) 5385A, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Keysight (Agilent) 5385A.
