Key facts
- Brand
- Agilent
- Model
- 53131A/132A/181A
- Category
- Other Electronics
- Industry
- Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2026-10-01
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Agilent 53131A/132A/181A Counter User Manual
This manual describes the Agilent 53131A, 53132A and 53181A counters, covering their high‑performance features such as 225 MHz bandwidth, up to 200 measurements / s, and built‑in statistical and mathematical functions. It explains the user interface, GPIB and IntuiLink connectivity, and how to configure measurement types, gate times and limits.
The document also details optional time‑base modules, input characteristics for each channel, measurement accuracy, trigger settings, and ordering information for accessories and service options.
Agilent 53131A/132A/181A specifications
| Bandwidth | 225 MHz |
|---|---|
| Maximum measurement rate | 200 measurements per second |
| Interface | GPIB (SCPI compatible) and optional RS‑232 |
| Frequency range (DC‑coupled) | DC to 225 MHz |
| Time‑interval resolution (53131A) | 500 ps |
| Time‑interval resolution (53132A) | 150 ps |
| Frequency/period resolution (53132A) | 12 bits/second |
All Agilent 53131A/132A/181A documents by type
Disassembly, diagnostics and part numbers, for repair.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What safety precaution is required when measuring power‑line signals?
Use a step‑down isolation transformer and keep the product’s front and rear panels earth‑grounded.
From: Agilent 53131A/132A/181A 225 MHz Counters Service Manual
What is the maximum measurement rate of the counters?
The counters can acquire up to 200 full‑format measurements per second.
Which computer interfaces are provided for control?
Each unit includes a GPIB interface with SCPI compatibility and a standard RS‑232 read‑only port for printer or terminal emulation.